International Registry of Seismograph Stations
      maintained jointly by
      International Seismological Centre & World Data Center for Seismology, Denver

      Code   Station name/Region                                 Latitude  Longitude Elevation   Depth Prime  Status
      ==============================================================================================================
      
      I01AR  PILCANIYEU INFRASONIC ARRAY REFERENCE POINT        -41.11383  -70.72009    1013.0     0.0        Open  
             Patagonia,Argentina
      
      I02A   Mapleton                                            44.00350 -123.82990     170.1                Closed
             Oregon,U.S.A.
      
      I02AR  USHUAIA INFRASONIC ARRAY REFERENCE POINT           -54.58060  -67.30920      94.0                Open  
             Tierra del Fuego,Argentina
      
      I02D   Swisshome                                           44.10590 -123.84690     109.0                Open  
             Oregon,U.S.A.
      
      I02E   Swisshome, OR                                       44.10770 -123.84730     117.0                Closed
             Oregon,U.S.A.
      
      I03A   Eugene                                              43.97260 -123.27770     205.7                Closed
             Oregon,U.S.A.
      
      I03AU  Davis Base, Antarctica                             -68.58390   78.06850      64.0     0.0        Open  
             Antarctica
      
      I03D   Drain, OR                                           43.69720 -123.34870     140.0                Open  
             Oregon,U.S.A.
      
      I04A   Tendick Farm, Oakridge                              43.79410 -122.41130     731.0                Closed
             Oregon,U.S.A.
      
      I04AU  SHANNON INFRASONIC ARRAY REFERENCE POINT           -34.59760  116.35670     167.0                Open  
             Western Australia,Australia
      
      I05A   Bend                                                44.16260 -121.26750    1011.0                Closed
             Oregon,U.S.A.
      
      I05AU  HOBART INFRASONIC ARRAY REFERENCE POINT            -42.49080  147.68060     350.0                Open  
             Tasmania,Australia
      
      I05D   Terrebonne, OR                                      44.33860 -121.33950     811.0                Open  
             Oregon,U.S.A.
      
      I06A   Prineville                                          43.94370 -120.21070    1296.9                Closed
             Oregon,U.S.A.
      
      I06AU  Cocos Islands                                      -12.14640   96.82030      -0.2     0.0        Open  
             Cocos Islands
      
      I07A   Izee                                                44.08200 -119.50420    1293.0                Closed
             Oregon,U.S.A.
      
      I07AU  WARRAMUNGA INFRASONIC ARRAY REFERENCE POINT        -19.93480  134.32950     386.0                Open  
             Northern Territory,Australia
      
      I08A   Drewsey                                             43.91040 -118.56920    1189.0                Closed
             Oregon,U.S.A.
      
      I08BO  LAS PENAS INFRASONIC ARRAY REFERENCE POINT         -16.21520  -68.45350    4096.0                Open  
             Bolivia
      
      I09A   Lost Marbles Ranch, Westfall                        43.97330 -117.74070     950.0                Closed
             Oregon,U.S.A.
      
      I09BR  BRASILIA INFRASONIC ARRAY REFERENCE POINT          -15.63800  -48.01640    1185.0                Open  
             Distrito Federal,Brazil
      
      I10A   Payette                                             44.08600 -116.80290     782.0                Closed
             Idaho,U.S.A.
      
      I10CA  LAC DU BONNET INFRASONIC ARRAY REFERENCE POINT      50.20150  -96.02690     247.0                Open  
             Manitoba,Canada
      
      I11A   Placerville                                         43.91210 -115.95780    1288.0                Closed
             Idaho,U.S.A.
      
      I11CV  MAIO ISLAND INFRASONIC ARRAY REFERENCE POINT        15.25730  -23.18390      44.0                Open  
             Cape Verde Islands
      
      I12A   Atlanta                                             43.79450 -115.13280    1849.0                Closed
             Idaho,U.S.A.
      
      I13A   Wildhorse Creek, Mackay                             43.91460 -114.11690    2104.0                Closed
             Idaho,U.S.A.
      
      I13CL  EASTER ISLAND INFRASONIC ARRAY REFERENCE POINT     -27.12730 -109.36270     163.0                Open  
             Easter Island,Chile
      
      I14A   Mackay                                              43.92860 -113.45180    1897.0                Closed
             Idaho,U.S.A.
      
      I14CL  ROBINSON CRUSOE ISLAND INFRASONIC ARRAY REFERENCE POINT -33.65380  -78.79600     388.0                Open  
             Juan Fernandez Islands,Chile
      
      I15A   Monteview                                           43.99970 -112.48500    1470.0                Closed
             Idaho,U.S.A.
      
      I16A   Newdale                                             43.87560 -111.48680    1744.0                Closed
             Idaho,U.S.A.
      
      I16CN  KUNMING INFRASONIC ARRAY REFERENCE POINT            25.27631  102.68311    2014.0     0.0        Open  
             Kunming,China
      
      I17A   Pilgrim Ck.                                         43.92000 -110.57590    2134.0                Closed
             Wyoming,U.S.A.
      
      I17CI  DIMBOKRO INFRASONIC ARRAY REFERENCE POINT            6.67040   -4.85690     156.0                Open  
             Ivory Coast
      
      I17K   Unalakleet                                          63.88640 -160.69500     105.0                Open  
             Alaska,U.S.A.
      
      I18A   Diamond G Ranch, Dubois                             43.70130 -109.81710    2322.0                Closed
             Wyoming,U.S.A.
      
      I18DK  QAANAAQ INFRASONIC ARRAY REFERENCE POINT            77.47560  -69.28780      88.0                Open  
             Greenland
      
      I19A   Meeteetse                                           44.03630 -108.99430    1982.0                Closed
             Wyoming,U.S.A.
      
      I19DJ  I19DJ                                               11.47400   43.17310      21.2                Open  
             Djibouti
      
      I20A   Worland                                             43.94960 -108.12830    1342.0                Closed
             Wyoming,U.S.A.
      
      I20EC  Galapagos                                           -0.60250  -90.37220     448.1     0.0        Open  
             Galapagos
      
      I20K   Naaghedeneel                                        64.79620 -154.47830      75.0                Open  
             Alaska,U.S.A.
      
      I20M0  I20M0                                               37.13190 -116.07560    1305.4     0.0        Open  
             Nevada
      
      I20M6  I20M6                                               37.09740 -116.06270    1269.7     0.0        Open  
             Nevada
      
      I20M9  I20M9                                               37.11330 -116.09170    1302.0     0.0        Open  
             Nevada
      
      I21A   Big Trails, Ten Sleep                               43.81220 -107.29200    1639.0                Closed
             Wyoming,U.S.A.
      
      I21FR  MARQUESAS ISLAND INFRASONIC ARRAY REFERENCE POINT   -8.86780 -140.15910     806.0                Open  
             Marquesas archipelago
      
      I21K   Tanana                                              65.18000 -151.98220     248.0                Open  
             Alaska,U.S.A.
      
      I22A   9 Mile Ranch, Kaycee                                43.89240 -106.48400    1430.0                Closed
             Wyoming,U.S.A.
      
      I22FR  PORTLAGUERRE INFRASONIC ARRAY REFERENCE POINT      -22.18440  166.84590     272.0                Open  
             New Caledonia
      
      I23A   Meade Ranch, Gillette                               43.96050 -105.46290    1462.0                Closed
             Wyoming,U.S.A.
      
      I23FR  KERGUELEN INFRASONIC ARRAY REFERENCE POINT         -49.34580   70.24160      84.0                Open  
             Kerguelen Islands,France
      
      I23K   Minto, Yukon-Koyukuk                                65.14790 -149.36030     149.0                Open  
             Alaska,U.S.A.
      
      I24A   Kuemmerle Ranch, Upton                              43.85940 -104.62630    1338.0                Closed
             Wyoming,U.S.A.
      
      I24FR  TAHITI-TARAVAO INFRASONIC ARRAY REFERENCE POINT    -17.74930 -149.29580     117.0                Open  
             Tahiti,French Polynesia
      
      I25A   Rochford                                            44.01960 -103.73240    1856.0                Closed
             South Dakota,U.S.A.
      
      I25FR  GUADELOUPE INFRASONIC ARRAY REFERENCE POINT         16.12535  -61.62532     259.0     0.0        Open  
             Guadeloupe,France
      
      I26A   New Underwood                                       44.03090 -102.85960     971.0                Closed
             South Dakota,U.S.A.
      
      I26DE  FREYUNG INFRASONIC ARRAY REFERENCE POINT            48.85160   13.71310    1111.0                Open  
             Bayern,Germany
      
      I26K   Coal Creek Mining Camp                              65.30640 -143.15410     338.0                Open  
             Alaska,U.S.A.
      
      I27A   Quinn                                               44.06900 -102.05250     867.0                Closed
             South Dakota,U.S.A.
      
      I27DE  GEORG VON NEUMAYER INFRASONIC ARRAY REFERENCE POINT -70.70110   -8.30290      57.0                Open  
             Dronning Maud Land
      
      I27K   Kandik River                                        65.60350 -141.61530     874.0                Open  
             Alaska,U.S.A.
      
      I28A   Midland                                             43.99960 -101.16920     655.0                Closed
             South Dakota,U.S.A.
      
      I28M   Miner Creek                                         65.44830 -139.93550    1188.0                Open  
             Yukon Territories,Canada
      
      I29A   Vivian Onida                                        44.02150 -100.30340     592.0                Closed
             South Dakota,U.S.A.
      
      I29M   Ogilvie Camp, Yukon                                 65.36090 -138.30630     602.0                Open  
             Yukon Territory,Canada
      
      I30A   Oacoma                                              43.91430  -99.42620     549.0                Closed
             South Dakota,U.S.A.
      
      I30JP  ISUMI INFRASONIC ARRAY REFERENCE POINT              35.30780  140.31380      52.0                Open  
             Chiba,Japan
      
      I30M   Mount Dempster                                      65.22250 -136.37670    1399.0                Open  
             Yukon Territories,Canada
      
      I31A   Royce, Wessington Springs                           44.02970  -98.53520     469.0                Closed
             South Dakota,U.S.A.
      
      I31KZ  AKTYUBINSK INFRASONIC ARRAY REFERENCE POINT         50.40700   58.03480     369.0                Open  
             Kazakhstan
      
      I32A   Karley and Nick, Howard                             44.02710  -97.46430     493.0                Closed
             South Dakota,U.S.A.
      
      I32KE  NAIROBI INFRASONIC ARRAY REFERENCE POINT            -1.24220   36.82720    1662.0                Open  
             Kenya
      
      I33A   Coleman                                             44.04750  -96.79890     509.0                Closed
             South Dakota,U.S.A.
      
      I33MG  ANTANANARIVO INFRASONIC ARRAY REFERENCE POINT      -19.01090   47.30500    1385.0                Open  
             Madagascar
      
      I34A   Hadley                                              44.03920  -95.86000     509.0                Closed
             Minnesota,U.S.A.
      
      I34MN  SONGINO INFRASONIC ARRAY REFERENCE POINT            47.80170  106.41010    1245.0                Open  
             Mongolia
      
      I35A   Creekview Farms, Bingham Lake                       43.85650  -94.98290     428.0                Closed
             Minnesota,U.S.A.
      
      I35NA  TSUMEB INFRASONIC ARRAY REFERENCE POINT            -19.19130   17.57680    1253.0                Open  
             Namibia
      
      I36A   Fitzsimmons Farm, Good Thunder                      44.01910  -94.01430     307.0                Closed
             Minnesota,U.S.A.
      
      I36NZ  CHATHAM INFRASONIC ARRAY REFERENCE POINT           -43.91660 -176.48340      14.0                Open  
             Chatham Islands,New Zealand
      
      I37A   Lemond, Waseca                                      44.01480  -93.40030     371.0                Closed
             Minnesota,U.S.A.
      
      I37B   Waseca                                              44.01490  -93.40030     354.0                Open  
             Minnesota,U.S.A.
      
      I37H0  Bardufoss                                           69.07410   18.60770      78.0     1.0        Open  
             Norway
      
      I37NO  I37NO                                               69.07410   18.60760      73.7                Open  
             Norway
      
      I38A   Scanlan Farm, Eyota                                 44.04050  -92.33060     390.0                Closed
             Minnesota,U.S.A.
      
      I39A   Houston                                             43.85430  -91.52310     393.0                Closed
             Minnesota,U.S.A.
      
      I39PW  PALAU INFRASONIC ARRAY REFERENCE POINT               7.53550  134.54700     100.0                Open  
             Caroline Islands,Palau
      
      I40A   Norwalk                                             43.89160  -90.61770     419.0                Closed
             Wisconsin,U.S.A.
      
      I40PG  Keravat                                             -4.29900  152.01170      84.8     0.0        Open  
             Papua New Guinea
      
      I41A   Arkdale                                             44.05920  -89.86970     289.0                Closed
             Wisconsin,U.S.A.
      
      I41PY  VILLA FLORIDA INFRASONIC ARRAY REFERENCE POINT     -26.34230  -57.31190     164.0                Open  
             Paraguay
      
      I42A   Draeger Farm, Ripon                                 43.89080  -88.91340     298.0                Closed
             Wisconsin,U.S.A.
      
      I42PT  GRACIOSA ISLAND INFRASONIC ARRAY REFERENCE POINT    39.04230  -28.00550     284.0                Open  
             Azores,Portugal
      
      I43A   Langenfeld Brothers Farm, Elkhart Lake              43.88440  -88.14600     299.0                Closed
             Wisconsin,U.S.A.
      
      I43RU  DUBNA INFRASONIC ARRAY REFERENCE POINT              56.72140   37.21760     120.0                Open  
             Moskovskaya Oblast',Russia
      
      I44RU  PETROPAVLOVSK-KAMCHATSKY INFRASONIC ARRAY REFERENCE POINT  53.10580  157.71390     380.0                Open  
             Kamchatskaya Oblast',Russia
      
      I45A   Fountain                                            44.03610  -86.23480     215.0                Open  
             Michigan,U.S.A.
      
      I45RU  USSURIYSK INFRASONIC ARRAY REFERENCE POINT          44.19990  131.97730     150.0                Open  
             Primorskiy Kray,Russia
      
      I46A   Reed City                                           43.94110  -85.44720     359.0                Open  
             Michigan,U.S.A.
      
      I46RU  ZALESOVO INFRASONIC ARRAY REFERENCE POINT           53.94870   84.81890     232.0                Open  
             Altayskiy Kray,Russia
      
      I47A   Gladwin                                             44.01930  -84.50960     269.0                Open  
             Michigan,U.S.A.
      
      I47ZA  BOSHOF INFRASONIC ARRAY REFERENCE POINT            -28.62110   25.23520    1306.0                Open  
             Orange Free State,South Africa
      
      I48A   Sherman Twp                                         44.18730  -83.70220     192.0                Open  
             Michigan,U.S.A.
      
      I48TN  KESRA INFRASONIC ARRAY REFERENCE POINT              35.80520    9.32300     848.0                Open  
             Tunisia
      
      I49A   Point Hope                                          43.94000  -82.82460     217.0                Open  
             Michigan,U.S.A.
      
      I49GB  TRISTAN DA CUNHA ISLAND. INFRASONIC ARRAY REFERENCE POINT -37.09000  -12.33190      81.0                Open  
             Tristan da Cunha
      
      I50GB  ASCENSION ISLAND INFRASONIC ARRAY REFERENCE POINT   -7.93770  -14.37520     189.0                Open  
             Ascension
      
      I51A   Listowel                                            43.80360  -81.02310     376.0                Open  
             Ontario,Canada
      
      I51GB  BERMUDA INFRASONIC ARRAY REFERENCE POINT            32.36150  -64.69870     -35.0                Open  
             Bermuda
      
      I52A   Shelburne                                           44.06800  -80.17700     505.0                Open  
             Ontario,Canada
      
      I52GB  DIEGO GARCIA INFRASONIC ARRAY REFERENCE POINT       -7.37780   72.48420       1.0                Open  
             Chagos Archipelago
      
      I53A   Kortright Cn Earth Rangers Ctr, Woodbridge          43.82380  -79.59120     195.0                Open  
             Ontario,Canada
      
      I53US  FAIRBANKS INFRASONIC ARRAY REFERENCE POINT          64.87500 -147.86110     200.0                Open  
             Alaska,U.S.A.
      
      I55A   Frankford                                           44.21610  -77.68170     132.0                Open  
             Ontario,Canada
      
      I55US  WINDLESS BIGHT INFRASONIC ARRAY REFERENCE POINT    -77.73150  167.58740      42.0                Open  
             Victoria Land
      
      I56US  NEWPORT INFRASONIC ARRAY REFERENCE POINT            48.26410 -117.12570     763.0                Open  
             Washington,U.S.A.
      
      I57A   Carthage                                            43.93770  -75.65990     321.0                Open  
             New York,U.S.A.
      
      I57US  PINON FLAT INFRASONIC ARRAY REFERENCE POINT         33.60590 -116.45330    1251.0                Open  
             California,U.S.A.
      
      I58A   Old Forge                                           43.69010  -74.97330     599.0                Open  
             New York,U.S.A.
      
      I58US  Midway Islands                                      28.20970 -177.38140       4.6     0.0        Open  
             Midway Islands
      
      I59A   Olmsteadville                                       43.79570  -73.87440     390.0                Open  
             New York,U.S.A.
      
      I59US  HAWAII INFRASONIC ARRAY REFERENCE POINT             19.59150 -155.89360    1076.0                Open  
             Hawaii,U.S.A.
      
      I60A   Shoreham                                            43.84400  -73.29160     101.0                Open  
             Vermont,U.S.A.
      
      I60US  Wake Island                                         19.29180  166.61130       4.9     0.0        Open  
             Wake Island
      
      I61A   Oroboro, Fairlee                                    43.93230  -72.20870     287.0                Open  
             Vermont,U.S.A.
      
      I62A   Tamworth                                            43.87430  -71.33590     264.0                Open  
             New Hampshire,U.S.A.
      
      I63A   Otisfield                                           44.05050  -70.58090     177.0                Open  
             Maine,U.S.A.
      
      I64A   Boothbay                                            43.91970  -69.63470      17.0                Open  
             Maine,U.S.A.
      
      IAA    In Amguel                                           23.82220    5.17500                                
             Algeria
      
      IACL   Alicudi                                             38.53380   14.35650     181.0     0.0        Open  
             Sicily,Italy
      
      IACM   Heraklion                                           35.30580   25.07090      45.0     2.0        Open  
             Crete,Greece
      
      IADA   Aoalbol                                             65.01900  -15.57500     443.0                Open  
             Iceland
      
      IAE    Cedar City, Iron County                             37.66510 -113.06670    1807.0                Open  
             Utah,U.S.A.
      
      IAFJ   Afjeh                                               35.85600   51.71250    2750.0                Open  
             Iran
      
      IAG    Institut Agronomique                                16.08400  -61.60000     250.0                      
             Guadeloupe,France
      
      IAKL   Akhelmad                                            36.60220   58.75660    2508.0                Open  
             Iran
      
      IALA   Alasht                                              36.08290   52.80990    2600.0                Open  
             Iran
      
      IALF   Alftagrof                                           63.49100  -19.18440     132.0                Open  
             Iceland
      
      IALM   Almabolaq                                           34.86010   48.16760    2450.0                      
             Iran
      
      IAND   Andimeshk                                           32.42500   48.35560       0.0                Open  
             Iran
      
      IANJ   Anjilo                                              35.46720   53.91440    2135.0                Open  
             Iran
      
      IAPS   Aklan State University Campus                       11.81780  122.17090      90.0                      
             Philippines
      
      IAS    Iasi                                                47.19310   27.55301     195.0                Open  
             Romania
      
      IASB   脕sbjarnarsta冒ir                                     64.74800  -21.32500      94.0                      
             Iceland
      
      IASBS  W01                                                 34.34630   45.74380     532.0                Closed
             Iran
      
      IASK   Askja                                               65.05190  -16.64820     955.0                Open  
             Iceland
      
      IASM   Asmuli                                              63.83400  -20.61500      22.0                Open  
             Iceland
      
      IASO   Asolfsskalaheidi                                    63.59660  -19.73110     673.0                Open  
             Iceland
      
      IASR   Iasi                                                47.17770   27.57480     183.0                Open  
             Romania
      
      IATSM  Idi                                                 -4.92410   97.78460      28.0     2.0        Open  
             Indonesia
      
      IAUS   Austmannsbunga                                      63.67230  -19.08080    1373.0                Open  
             Iceland
      
      IAV    Isla Aves                                           15.70000  -63.60000       0.0                      
             Venezuela
      
      IAZR   Azarshahr                                           37.67830   45.98000    2300.0                Open  
             Iran
      
      IBAF   Bafgh                                               31.59020   55.56730    1485.0                Open  
             Iran
      
      IBAJ   Ibajay, Aklan                                       11.81780  122.17090      97.0                      
             Philippines
      
      IBAR   Ibarra                                               0.28711  -78.10650    2360.0                      
             Ecuador
      
      IBAV   Isla La Blanquilla                                  11.82300  -64.57700     100.0                Open  
             Venezuela
      
      IBBE   Ibbenbueren East                                    52.29980    7.79430     141.0     0.0        Open  
             Nordrhein-Westfalen,Germany
      
      IBBN   Ibbenburen                                          52.30719    7.75661     137.0                      
             Nordrhein-Westfalen,Germany
      
      IBBS   Ibbenbueren South                                   52.28430    7.74860     169.0     0.0        Open  
             Nordrhein-Westfalen,Germany
      
      IBCM   Barano                                              40.71090   13.91610     314.0                Open  
             Italy
      
      IBDR   Badra                                               33.11000   45.93000      90.0                Open  
             Iraq
      
      IBEY   Bjarnarey                                           63.44860  -20.19490     100.0                Open  
             Iceland
      
      IBJA   Bjarnastaoir                                        63.94600  -21.30300      57.0                Open  
             Iceland
      
      IBJK   Bruarjokull                                         64.46900  -16.75250    1572.0                Open  
             Iceland
      
      IBK    Innsbruck                                           47.26060   11.38470     580.0                Open  
             Austria
      
      IBND   Bandar-abas                                         27.44890   56.53990      62.0                Open  
             Iran
      
      IBP    Imperial Boulder Park, Ocotillo                     32.66112 -116.09286     879.0                Closed
             California,U.S.A.
      
      IBRE   Brettingsstaoir                                     66.12300  -17.91000      41.0                Open  
             Iceland
      
      IBRJ   Brojen                                              31.90800   51.26000    2354.0                Open  
             Iran
      
      IBRN   Ischia Barano (NA)                                  40.71400   13.92680     142.0                Open  
             Italy
      
      IBRU   Bruarjokull                                         64.82900  -16.08800     746.0                Open  
             Iceland
      
      IBST   Bostanabad                                          37.70000   46.89200    2100.0                Open  
             Iran
      
      IBTI   Ile Boleng, Nusa Tenggara Timur                     -8.38940  123.26450     154.0                Open  
             Indonesia
      
      IBU    Ibuki Yama                                          35.37830  136.37700      30.0                      
             Shiga,Japan
      
      IBZA   Bozab                                               34.46960   47.86050    2343.0                Open  
             Iran
      
      IBZP   Iba, Zambales                                       15.39800  120.02300      50.0                Open  
             Luzon
      
      IBZR   Intorsura_Buzaului                                  45.66810   26.05670     698.0                Open  
             Romania
      
      IC-    Ice Cap                                             77.94670  -39.18330    2365.0         IC-GL  Closed
             Greenland
      
      ICA    Ica                                                -14.07500  -75.72500     500.0                      
             Peru
      
      ICAI   Ischia Castello Aragonese, Ischia (NA), Italy       40.73130   13.96530      80.0     0.0        Open  
             Italy
      
      ICBC   Inst. de Cultura de B.C.                            32.66380 -115.47200       7.9                Open  
             Baja California
      
      ICC    Iquique                                            -20.28400  -70.03500     950.0                      
             Tarapaca,Chile
      
      ICC1   Isla del Coco                                        5.54388  -87.05510      10.0                Open  
             Puntarenas Province,Costa Rica
      
      ICCO   Coco Island                                          5.54365  -87.05675      10.0                Open  
             Costa Rica,Costa Rica
      
      ICCS   Invercargill City Council                          -46.41159  168.34692      23.0                Open  
             South Island,New Zealand
      
      ICESG  Greenland Icesheet                                  69.09000  -39.65000    2931.6                Open  
             Greenland
      
      IC-GL  Ice Cap                                             77.94670  -39.18330    2365.0                Closed
             Greenland
      
      ICH    Ichihara                                            35.40089  140.17681    -146.0                      
             Chiba,Japan
      
      ICHK   Chekchek                                            32.24420   54.40730    2030.0                Open  
             Iran
      
      ICHU   Yijhu                                               23.36060  120.27930      37.0                Open  
             Taiwan region
      
      ICI    Italian Canyon                                      44.32930 -112.94100    2463.0                Open  
             Idaho,U.S.A.
      
      ICJA   ICTJA-CSIC, Barcelona                               41.38439    2.11894     112.2     2.5        Open  
             Spain
      
      ICM    Isla Caja Muertos                                   17.89339  -66.52100       7.0                Closed
             Puerto Rico
      
      ICMP   Isla Caja de Muertos, Puerto Rico                   17.88630  -66.52670      10.0     1.0        Open  
             Puerto Rico
      
      ICO    Isla del Coco                                        5.54606  -87.05550      25.0                      
             Costa Rica
      
      ICOR   Ion Corvin                                          44.11680   27.80090     121.0                Open  
             Romania
      
      ICQ    Pointe Anglais                                      49.52170  -67.27190      58.0                Open  
             Quebec,Canada
      
      ICR    Volcan Irazu                                         9.98083  -83.83050    3306.0                      
             Costa Rica
      
      ICR3   Volcano Irazu 3                                      9.97817  -83.83200    3277.0                      
             Costa Rica,Costa Rica
      
      ICU    Indian Springs Canyon                               37.14969 -113.92350    1451.0                      
             Utah,U.S.A.
      
      ICVJ   Casamicciola                                        40.74350   13.89520      81.0                Open  
             Italy
      
      ICY    Ichiyama                                            34.90333  138.93333     210.0                      
             Yamanashi,Japan
      
      ID02   Challis, ID, 7.5 mi N off of Rte 93                 44.60475 -114.18447    1476.0                Closed
             Idaho,U.S.A.
      
      ID03   East of Rte 461 near Challis                        44.45350 -113.87900    1878.0                Closed
             Idaho,U.S.A.
      
      ID04   Mogan Creek Rd (Rte 129)                            44.84562 -114.24295    2500.0                Closed
             Idaho,U.S.A.
      
      ID05   Sulphur Canyon Road, Soda Springs                   42.64295 -111.45899    2262.0                Closed
             Idaho,U.S.A.
      
      ID06   Fossil Canyon                                       42.58525 -111.45179    1897.0                Closed
             Idaho,U.S.A.
      
      ID07   Smith Canyon Road                                   42.53489 -112.07972    1855.0                Closed
             Idaho,U.S.A.
      
      ID08   Devils Gate                                         42.89600 -111.83889    2054.0                Closed
             Idaho,U.S.A.
      
      ID09   Alton                                               42.24443 -111.19358    2088.0                Closed
             Idaho,U.S.A.
      
      ID1    Idaho Array 1                                       43.62000 -113.32800    1638.0                      
             Idaho,U.S.A.
      
      ID10   Lander Cutoff                                       42.51860 -110.89190    2252.0                Closed
             Wyoming,U.S.A.
      
      ID2    Idaho Array 2                                       43.52830 -112.83700    1521.0                      
             Idaho,U.S.A.
      
      ID3    Idaho Array 3                                       43.85750 -112.70800    1460.0                      
             Idaho,U.S.A.
      
      ID4    Idaho Array 4                                       43.72500 -112.79700    1478.0                      
             Idaho,U.S.A.
      
      ID5    Idaho Array 5                                       43.89830 -113.61600    1829.0                      
             Idaho,U.S.A.
      
      IDA    Idaho Array                                         43.78670 -113.02200    1524.0                      
             Idaho,U.S.A.
      
      IDAH   Dahanechah                                          32.73900   59.86800    2277.0                Open  
             Iran
      
      IDAN   Idan                                                30.83335   35.27382     148.0                Open  
             Israel
      
      IDC    Isla del Cano                                        8.71333  -83.86983      10.0                Open  
             Costa Rica
      
      IDE    Isla Desecheo                                       18.38639  -67.47411     203.0                Open  
             Puerto Rico
      
      IDGL   Inch Island, Co Donegal                             55.07300   -7.51000     123.0     1.0              
             Ireland
      
      IDHR   Dehrash                                             34.69970   46.38670    1866.0                Open  
             Iran
      
      IDHRE  Ermioni, IDHR                                       37.39080   23.25910      35.0                      
             Greece
      
      IDI    Anoyia                                              35.28800   24.89000     750.0                      
             Crete,Greece
      
      IDID   Didziasalis                                         55.31481   26.73903     141.0    30.0              
             Lithuania
      
      IDIM   Dimmadals謾s                                         65.96150  -16.93190     266.0                Open  
             Iceland
      
      IDJ    Idjwi                                               -2.06420   29.06060    1566.0                Open  
             Democratic Republic of the Congo
      
      IDJK   Dyngjujokull                                        64.50410  -17.23570    1683.0     0.0        Open  
             Iceland
      
      IDJR   Idja                                                53.18539   91.98388     319.0    13.0        Open  
             Krasnoyarskiy Kray
      
      IDJZ   Idjevan                                             40.88200   45.14600     700.0                      
             Armenia
      
      IDMV   Damavand                                            35.57720   52.03220    2546.0                Open  
             Iran
      
      IDOB   Doab                                                33.78740   48.17740    1935.0                Open  
             Iran
      
      IDR    Idriss Premier                                      34.16600   -4.75000     217.0                Open  
             Morocco
      
      IDSA   Dashabbas                                           32.48280   47.84160       0.0                Open  
             Iran
      
      IDYN   Dyngjuhals                                          64.79090  -17.36630    1209.0     0.0        Open  
             Iceland
      
      IECU   Ecuador Network                                     -0.47500  -78.30670    3720.0                      
             Ecuador
      
      IEDA   Engidalur                                           64.08260  -21.38900     264.0                Open  
             Iceland
      
      IELE   Ellidaey                                            63.43650  -20.17710      80.0                      
             Iceland
      
      IELO   Elcoad                                              42.84320   -1.23660     819.0                Open  
             Spain
      
      IEMG   Emamgholi                                           37.41550   58.65220    2565.0                Open  
             Iran
      
      IENR   Iengra                                              56.22380  124.85710     860.0                Open  
             Sakha,Russia
      
      IENT   Enta                                                63.70100  -19.18230    1355.0                Open  
             Iceland
      
      IEPA   Eparoz                                              42.77940   -1.26690     769.0                Open  
             Spain
      
      IER1   Ierissos                                            40.39710   23.87510      45.0                Open  
             Greece
      
      IESK   Eystri-Skogar                                       63.52500  -19.45100      95.0                Open  
             Iceland
      
      IESO   Jesolo                                              45.52000   12.55000       0.0                      
             Italy
      
      IESS   Sede Social del IESS - Quito                        -0.17560  -78.49100    2828.0                      
             Ecuador
      
      IFAG   Fagurholsmyri                                       63.87500  -16.65400      27.0                Open  
             Iceland
      
      IFAK   Africa Array SE Tanzania Basin Experiment, ZH       -8.13970   36.68280     251.0                      
             Tanzania
      
      IFAL   Falljokull                                          63.95770  -16.82190     109.0                Open  
             Iceland
      
      IFED   Fedgar                                              64.02510  -19.69090     432.0                Open  
             Iceland
      
      IFIL   Filicudi I Eolie                                    38.56400   14.56600     200.0                Open  
             Sicily,Italy
      
      IFIR   Firoozkooh                                          35.64150   52.75360    2380.0                Open  
             Iran
      
      IFLA   Flatey                                              66.16100  -17.84800      13.0                Open  
             Iceland
      
      IFOR   Ischia Forio Punta Imperatore (NA) Italy            40.71150   13.85510     234.0                Open  
             Italy
      
      IFPS   Inchbonnie Fitzsimmons                             -42.72674  171.47284     156.0                Open  
             South Island,New Zealand
      
      IFR    Ifrane                                              33.51690   -5.12694    1630.0                Open  
             Morocco
      
      IFTB   Fath-abad                                           38.01710   46.39440    2222.0                Open  
             Iran
      
      IGAB   Igarata                                            -23.25250  -46.11650     677.0                      
             Sao Paulo,Brazil
      
      IGAD   Garlstedt                                           53.25760    8.69040      43.0                Open  
             Germany
      
      IGAR   Gharneh                                             32.40380   52.04180    2020.0                Open  
             Iran
      
      IGBI   Denpasar                                            -8.81810  115.14560       0.0                Open  
             Bali,Indonesia
      
      IGD    Bursa                                               40.26410   29.20150     165.0                Open  
             Turkey
      
      IGDI   IGDIR                                               39.86810   44.07800     860.0                Open  
             Turkey
      
      IGFL   Graenufjoll                                         63.52650  -19.11010     710.0                Open  
             Iceland
      
      IGGU   Iggoen                                              60.87300   17.31600     100.0                Open  
             Sweden
      
      IGHA   Grjothals                                           65.84350  -16.66290     396.0                Open  
             Iceland
      
      IGHG   Ghaleghazi                                          34.32940   46.56850    2090.0                Open  
             Iran
      
      IGHS   Grjothals                                           65.85780  -16.62720     405.0                Open  
             Iceland
      
      IGIG   Irapuato, Guanajuato                                20.75310 -101.32780    1809.0                      
             Guanajuato,Mexico
      
      IGIL   Gilhagi                                             66.07700  -16.35100     134.0                Open  
             Iceland
      
      IGL    Igloolik                                            69.37670  -81.80670      38.0                Open  
             Northwest Territories,Canada
      
      IGLA   Glengowla, Co Galway                                53.41950   -9.37500      31.0     1.0              
             Ireland
      
      IGLN   Igloolik                                            69.36889  -81.81747      43.0                Closed
             Northwest Territories,Canada
      
      IGLO   Ghaloghah                                           36.50240   53.83020    1963.0                Open  
             Iran
      
      IGLU   Glumsstadir                                         64.98060  -15.08540     115.0                Open  
             Iceland
      
      IGM    Isla Guadalupe                                      28.88417 -118.29167      65.0                      
             Baja California,Mexico
      
      IGM2   Igoumenitsa                                         39.48620   20.25920      34.0                Open  
             Greece
      
      IGN    Direcci貿(mào)n General de Estad鉚stica y Censos (DIGESTYC)  13.71370  -89.16980     639.0                      
             El Salvador
      
      IGOD   VI-GOD                                              63.65980  -19.32240    1200.0                Open  
             Iceland
      
      IGOM   Igoma                                               -9.00000   33.65730    2364.0                Closed
             Tanzania
      
      IGPR   InterUniversity Guayama PR                          17.96540  -66.10680      26.0     1.5        Open  
             Puerto Rico
      
      IGR    Igron                                               38.30000   69.30000       0.0                      
             Tajikistan
      
      IGRA   Granastaoir                                         65.91800  -17.57900      24.0                Open  
             Iceland
      
      IGRE   AFAR0911 - ZR                                       12.25260   40.46120     668.0                      
             Ethiopia
      
      IGRF   Grimsfjall                                          64.40700  -17.26700    1710.0                Open  
             Iceland
      
      IGRI   Grimsey                                             66.54200  -18.01000      36.0                Open  
             Iceland
      
      IGRS   Grimsstaoir                                         65.63800  -16.12400     378.0                Open  
             Iceland
      
      IGRV   Grindavik                                           63.85720  -22.45580      52.0                Open  
             Iceland
      
      IGT    Igoumenitsa                                         39.53250   20.33250     320.0                Open  
             Greece
      
      IGUA   Igualata                                            -1.49000  -78.63869    4430.0                      
             Ecuador
      
      IGYG   Gygjarholskot                                       64.28100  -20.21500     119.0                Open  
             Iceland
      
      IGZV   Ghazvin                                             36.38590   50.21840    2100.0                Open  
             Iran
      
      IHA    Instituto Hidrografico de la Armada                -33.02580  -71.64110      88.0                Open  
             Valparaiso,Chile
      
      IHAE   Haedir                                              64.02610  -16.98860     250.0     0.0        Open  
             Iceland
      
      IHAM   Hamarinn                                            64.48020  -17.82230    1560.0                Closed
             Iceland
      
      IHAU   Haukadalur                                          63.96900  -19.96500      96.0                Open  
             Iceland
      
      IHC    Ixhuatan                                            17.29060  -93.00830                                
             Chiapas,Mexico
      
      IHEB   Hekla-Austur-2                                      63.99680  -19.64680    1328.0                Open  
             Iceland
      
      IHED   Heoinshofoi                                         66.08100  -17.31000      75.0                Open  
             Iceland
      
      IHEI   Heioarbar                                           64.20000  -21.23600     162.0                Open  
             Iceland
      
      IHES   Hestalda                                            64.04680  -19.56040     529.0                Open  
             Iceland
      
      IHLA   Hella                                               65.94400  -18.38700      37.0                Open  
             Iceland
      
      IHLN   Indian Hill Lake                                    63.30519 -110.89111     417.0                Closed
             Northwest Territories,Canada
      
      IHMI   Ibu, Maluku Utara                                    1.50820  127.55560     130.0                Open  
             Indonesia
      
      IHOS   Hoseineyeh                                          32.67930   48.23650       0.0                Open  
             Iran
      
      IHOX   Haoxl                                               63.91140  -16.61390     423.0                Open  
             Iceland
      
      IHP    Serra do Amolar                                    -17.86000  -57.55000     157.0                Open  
             Mato Grosso
      
      IHR    Ishihara                                            33.68790  133.47100     510.0                Closed
             Kochi,Japan
      
      IHRN   Hraun                                               66.11000  -20.12300      15.0                Open  
             Iceland
      
      IHRS   Heris                                               38.31830   47.04200    2100.0                Open  
             Iran
      
      IHRSI  Indragiri Hilir, Riau, Sumatera Indonesia           -0.96520  102.76450      72.0     2.0        Open  
             Indonesia
      
      IHSB   Hasanabad                                           35.43782   51.27571    1119.0                Open  
             Iran
      
      IHSH   Hashtrud                                            37.30500   47.26300    2805.0                Open  
             Iran
      
      IHUS   Husbondi                                            64.29550  -17.65650    1314.0     0.0        Open  
             Iceland
      
      IHVA   Hvannstoosfjoll                                     64.95500  -15.86900     695.0                Open  
             Iceland
      
      IHVE   Hveravellir                                         64.87000  -19.56700     640.0                Open  
             Iceland
      
      IHVO   Lagu-Hvolar                                         63.52600  -18.84800     196.0                Open  
             Iceland
      
      IIA    Altzomoni                                           19.14950  -98.65830                                
             Mexico D.F.,Mexico
      
      IIB    San Bernardino                                      18.96400  -98.34467    2380.0                      
             Puebla,Mexico
      
      IIC    Rita Coyotepec                                      19.76700  -99.25800    2725.0                      
             Mexico D.F.,Mexico
      
      IID    Iida                                                35.51000  137.83667     484.0                      
             Nagano,Japan
      
      IIDJ   Iida                                                35.48000  137.91200     528.0                Open  
             Nagano,Japan
      
      IIEY   Innrieyrar                                          64.09530  -18.12390     652.0                Open  
             Iceland
      
      IIGN   Ignalina                                            55.35031   26.22253     255.0    30.0              
             Lithuania
      
      III    Iguala                                              18.37600  -99.46800    1740.0                      
             Guerrero,Mexico
      
      IIJ    Jocotitlan                                          19.73400  -99.73400    3900.0                      
             Mexico:State,Mexico
      
      IIM    Instituto de Ingenieria, UNAM                       19.32597  -99.18200    2275.0                      
             Mexico D.F.,Mexico
      
      IIO    Organos                                             19.59150  -98.72250    2940.0                      
             Tlaxcala,Mexico
      
      IIP    El Pino                                             19.34690  -98.91800    2650.0                      
             Mexico D.F.,Mexico
      
      IIS    IISEE                                               35.70970  139.69700      25.0                      
             Tokyo,Japan
      
      IISM   Ciudad Serdan                                       18.98800  -97.37680                                
             Puebla,Mexico
      
      IISS   Isolfsskali                                         63.86300  -22.30300     137.0                Closed
             Iceland
      
      IIT    Tonantzintla                                        19.02100  -98.30800    2205.0                      
             Puebla,Mexico
      
      IIZ    Mezontepec                                          19.18750  -99.24131    3430.0                      
             Mexico:State,Mexico
      
      IJAA   Inje Acc Borehole                                   37.94710  128.32470     346.0    20.0        Open  
             Republic of Korea
      
      IJBA   Injebuk                                             38.12080  128.31730     452.0    23.0        Open  
             Republic of Korea
      
      IJDB   imjado                                              35.10280  126.06510      38.0                Open  
             Republic of Korea
      
      IJDJ   Iida                                                35.48000  137.91200     528.0         IIDJ   Open  
             Nagano,Japan
      
      IJF    Islas Juan Fernandez                               -33.61670  -78.83330       6.0                      
             Juan Fernandez Islands,Chile
      
      IJOK   Jokulheimar                                         64.31530  -18.22550     736.0     0.0        Open  
             Iceland
      
      IK-    Ink                                                 34.61944  -94.10250     305.0         IK-AR  Closed
             Arkansas,U.S.A.
      
      IKAL   Kalfafell                                           63.94800  -17.68700      78.0                Open  
             Iceland
      
      IKAR   Kharkheh                                            32.48330   48.15430       0.0                Open  
             Iran
      
      IK-AR  Ink                                                 34.61944  -94.10250     305.0                Closed
             Arkansas,U.S.A.
      
      IKAS   Kald謾rsel                                           64.02290  -21.85200     108.0                Open  
             Iceland
      
      IKAZ   Kazeroun                                            29.77960   51.84000    2805.0                Open  
             Iran
      
      IKFM   Kafar-mosalman                                      33.52440   47.84690       0.0                Open  
             Iran
      
      IKIA   Kiasar                                              36.20700   53.68370    2167.0                Open  
             Iran
      
      IKIS   Kista                                               64.67410  -17.56170    1567.0                Open  
             Iceland
      
      IKJ    Ikusaka                                             36.42180  137.94400     500.0                Closed
             Nagano,Japan
      
      IKL    Isikli                                              36.23860   33.68530     120.0                Open  
             Turkey
      
      IKLH   Kolahrood                                           33.31900   51.57870    2280.0                Open  
             Iran
      
      IKMR   Kamar-syah                                          33.51780   48.38030       0.0                Open  
             Iran
      
      IKOM   Komasi                                              34.17450   47.51020    1502.0                Open  
             Iran
      
      IKOO   Kooshah                                             32.42410   59.00440    2245.0                Open  
             Iran
      
      IKP    In-Ko-Pah, Jacumba                                  32.65012 -116.10948     906.0                Closed
             California,U.S.A.
      
      IKRA   Agios-Kirikos-Ikarias                               37.61120   26.29280      30.0                      
             Greece
      
      IKRD   Kardeh                                              36.77590   59.51500    2245.0                Open  
             Iran
      
      IKRE   Kreppuhraun                                         64.78370  -16.38280     760.0                Open  
             Iceland
      
      IKRI   Krysuvik                                            63.87800  -22.07600     146.0                Open  
             Iceland
      
      IKRK   Kirkuk                                              35.40000   44.34000     331.0                Open  
             Iraq
      
      IKRO   Krokur                                              64.09800  -21.12000     147.0                Open  
             Iceland
      
      IKSA   Iksan Acc Borehole                                  36.05920  127.06190      82.0    36.0        Open  
             Republic of Korea
      
      IKSK   Karasker                                            64.16130  -16.47370     940.0     0.0        Open  
             Iceland
      
      IKUD   Kuludalsa                                           64.32100  -21.87500      28.0                Open  
             Iceland
      
      IKVE   Kverkfjoll                                          64.67800  -16.67750    1786.0                Closed
             Iceland
      
      IKVI   Kvisker                                             63.98220  -16.43290      41.0                Open  
             Iceland
      
      IKVO   Krokottuvotn                                        65.71400  -16.88100     572.0                Open  
             Iceland
      
      IKZ    Isoka                                              -10.17130   32.64600    1350.0                Open  
             Zambia
      
      IL01                                                       64.77161 -146.88611                   IL1          
             Alaska,U.S.A.
      
      IL02   Eielson Array Site 2                                64.78469 -146.86431     261.0                      
             Alaska,U.S.A.
      
      IL03   Eielson Array Site 3                                64.77139 -146.85119     440.0                      
             Alaska,U.S.A.
      
      IL04   Eielson Array Site 4                                64.75700 -146.87611     528.0                      
             Alaska,U.S.A.
      
      IL05   Eielson Array Site 5                                64.77311 -146.92289     389.0                      
             Alaska,U.S.A.
      
      IL06   Eielson Array Site 6                                64.77919 -146.90400     262.0                      
             Alaska,U.S.A.
      
      IL07   Eielson Array Site 7                                64.79931 -146.83931     401.0                      
             Alaska,U.S.A.
      
      IL08   Eielson Array Site 8                                64.79031 -146.79689     505.0                      
             Alaska,U.S.A.
      
      IL09   Eielson Array Site 9                                64.76811 -146.78319     494.0                      
             Alaska,U.S.A.
      
      IL1    Eielson Array Site 1                                64.77160 -146.88600     418.0                Open  
             Alaska,U.S.A.
      
      IL10   Eielson Array Site 10                               64.75289 -146.84311     586.0                      
             Alaska,U.S.A.
      
      IL11   Eielson Array Site 11                               64.74150 -146.89739     444.0                      
             Alaska,U.S.A.
      
      IL12   Eielson Array Site 12                               64.74469 -146.94361     366.0                      
             Alaska,U.S.A.
      
      IL13   Eielson Array Site 13                               64.74789 -146.98650     367.0                      
             Alaska,U.S.A.
      
      IL14   Eielson Array Site 14                               64.77500 -146.97939     223.0                      
             Alaska,U.S.A.
      
      IL15   Eielson Array Site 15                               64.77769 -146.94281     336.0                      
             Alaska,U.S.A.
      
      IL16   Eielson Array Site 16                               64.79331 -146.92150     382.0                      
             Alaska,U.S.A.
      
      IL17   Eielson Array Site 17                               64.80719 -146.88981     357.0                      
             Alaska,U.S.A.
      
      IL18   Eielson Array Site 18                               64.75750 -146.77681     554.0                      
             Alaska,U.S.A.
      
      IL19   Eielson Array Site 19                               64.74611 -146.79739     549.0                      
             Alaska,U.S.A.
      
      IL31                                                       64.77139 -146.88661                   ILB          
             Alaska,U.S.A.
      
      ILA    Ilan                                                24.76556  121.74794       7.2                Open  
             Taiwan region
      
      ILAG   Lagar                                               63.90490  -22.48850      84.0                Open  
             Iceland
      
      ILAM   Ilet Lapin Martinique                               14.77470  -60.87360      38.0     4.0        Open  
             Martinique,France
      
      ILAN   Ilam                                                26.91020   87.92270    1181.0                Closed
             Nepal
      
      ILAR   Eielson Array Beam Reference Point                  64.77139 -146.88661     419.0                      
             Alaska,U.S.A.
      
      ILAS   Lasjerd                                             35.38220   52.95890    2195.0                Open  
             Iran
      
      ILB    Eielson Array Broadband                             64.77139 -146.88661     419.0         ILAR   Open  
             Alaska,U.S.A.
      
      ILBA   Ilam Banvizeh                                       33.62450   46.20740     801.0     2.7        Open  
             Iran
      
      ILCA   Isla Las Cabras                                    -42.06056  -72.53667      15.0                      
             Chile
      
      ILCH   Illapel                                            -31.63581  -71.16939     350.0                      
             Coquimbo,Chile
      
      ILCN   San Idelfonso Volcan Cerro Negro                    12.57730  -86.70000     168.0                Open  
             Nicaragua
      
      ILEFE  Ile-Efe                                              7.54670    4.54690     289.0                      
             Nigeria
      
      ILEI   Leirhofn                                            66.40700  -16.49000      41.0                Open  
             Iceland
      
      ILER   Lleida                                              41.61530    0.62620     171.0     0.0        Open  
             Spain
      
      ILFE   Lagafell                                            63.88390  -22.53560      66.0                Open  
             Iceland
      
      ILG    Inge Lehmann                                        77.94670  -39.18330    2401.0         IC-GL        
             Greenland
      
      ILGA   Ilgaz                                               41.05210   33.71650    2069.0                Open  
             Turkey
      
      ILI    Ili                                                 43.86000   77.03200     540.0                Closed
             Kazakhstan
      
      ILIC   ilic-Erzincan                                       39.45200   38.56780    1280.0                Open  
             Turkey
      
      ILIM   Iliamna                                             60.08020 -152.95900     823.0                      
             Alaska,U.S.A.
      
      ILIN   Lien                                                34.91860   46.96240    2195.0                Open  
             Iran
      
      ILIND  Ilindi                                              -9.08180   33.33270    1919.0                Closed
             Tanzania
      
      ILIQ   Lip Q Pani IE                                       38.51000   14.91580     350.0                Open  
             Sicily,Italy
      
      ILKN   Indian Lake                                         64.22414 -115.12933     266.0                      
             Yukon Territory,Canada
      
      ILL12  Sagenschleif ILLGRABEN, VS                          46.28730    7.62994     913.5                Open  
             Switzerland
      
      ILL13  Obere Abschlacht, ILLGRABEN, VS                     46.29697    7.62744     735.1                Open  
             Switzerland
      
      ILL14  Mittler Illalp, ILLGRABEN, VS                       46.26459    7.62754    2195.3                Open  
             Switzerland
      
      ILL15  Illgraben, Alpage de Chandolin, VS                  46.25525    7.61326    2384.5                Closed
             Switzerland
      
      ILL16  Illgraben, For錨t du Bachet, VS                      46.26934    7.59903    2041.6                Open  
             Switzerland
      
      ILL17  Plaine Madeleine, ILLGRABEN, VS                     46.27592    7.59503    1959.5                Open  
             Switzerland
      
      ILL18  Steinschlaghuette ILLGRABEN, VS                     46.27759    7.61525    1449.0                Open  
             Switzerland
      
      ILLEZ  Chalet Vouargne Bourlo, Wallis, VS                  46.21934    6.94038    1395.0                Open  
             Switzerland
      
      ILLF   Illfurth                                            47.68220    7.25650     305.0                Open  
             Alsace
      
      ILLI   Illinizas Sur - Rasayacu                            -0.71460  -78.72790    3830.0                Open  
             Ecuador
      
      ILM    Iliamna                                             60.18200 -152.81600     550.0                Open  
             Alaska,U.S.A.
      
      ILMG   Lip M Gallina IE                                    38.46030   14.94670     170.0                Open  
             Sicily,Italy
      
      ILN    Island Lagoon                                      -31.39310  136.87000     137.0                      
             South Australia,Australia
      
      ILO    Iloilo                                              10.70000  122.56700                                
             Panay,Philippines
      
      ILOC   Iloca                                              -34.93500  -72.18278       7.0                      
             Maule,Chile
      
      ILOD   Lodnugiljahaus                                      63.73440  -18.79110     406.0                Open  
             Iceland
      
      ILOH   Indian Lake Ohio                                    40.48677  -83.85310     308.0     1.0        Closed
             Ohio
      
      ILOM   Ilombo                                              -9.28290   33.34210    2110.0                Closed
             Tanzania
      
      ILON   Igloolik, Nunavut                                   69.37120  -81.82420      51.0                Open  
             Northwest Territories,Canada
      
      ILOS   Lipari Osseratorio                                  38.44580   14.94840     277.0     1.0              
             Italy
      
      ILP6   Ilpa6                                               35.47360   50.42570    1548.0                Open  
             Iran
      
      ILS    Iliamna Low South                                   59.95756 -153.06806    1125.0                      
             Alaska,U.S.A.
      
      ILSF   Litla-Skogfell                                      63.92220  -22.37220     113.0                Open  
             Iceland
      
      ILSM   Lacco Ameno                                         40.75090   13.88740      20.0     0.0        Open  
             Italia
      
      ILSW   Iliamna Southwest, Iliamna Volcano                  59.98320 -153.14250    1318.0                Open  
             Alaska,U.S.A.
      
      ILT    Iul'tin                                             67.87000 -178.73000     244.0                      
             Magadanskaya Oblast',Russia
      
      ILTH   Belurgan, Co Louth                                  54.02790   -6.33620      21.0     1.0        Open  
             Ireland
      
      ILUG   Ilulissat, Greenland                                69.21700  -51.10800      45.0     0.0        Open  
             Greenland
      
      ILULI  Ilulissat                                           69.21214  -51.10480      53.5                Open  
             Greenland
      
      ILW    Iliamna West                                        60.06000 -153.13600    1722.0                Open  
             Alaska,U.S.A.
      
      ILYS   陌l(fā)yask枚y, Yalova                                    40.61280   29.43900     240.0     1.0        Open  
             Turkey
      
      IM01   Indian Mountain Array Site 1                        65.99689 -153.72250     360.2                      
             Alaska,U.S.A.
      
      IM02   Indian Mountain Array Site 2                        66.00050 -153.79711     645.1                      
             Alaska,U.S.A.
      
      IM03                                                       65.98350 -153.74911                   IM3          
             Alaska,U.S.A.
      
      IM04   Indian Mountain Array Site 4                        65.97450 -153.78281     587.2                      
             Alaska,U.S.A.
      
      IM05   Indian Mountain Array Site 5                        65.97511 -153.72531     450.3                      
             Alaska,U.S.A.
      
      IM3    Indian Mountain Array Site 3                        65.98350 -153.74900     372.0                Open  
             Alaska,U.S.A.
      
      IMA    Indian Mountain                                     66.06850 -153.67900    1380.0                Closed
             Alaska,U.S.A.
      
      IMA2   Indian Mountain                                     66.06878 -153.68714    1318.0                      
             Alaska,U.S.A.
      
      IMAC   Kilbarry, Macroom, Co. Cork, Ireland                51.84580   -9.07010      92.0     0.0        Open  
             Ireland
      
      IMAF   Imatra                                              61.18040   28.88160     116.0                Open  
             Finland
      
      IMAH   Mahabad                                             36.76660   45.71670    1344.0                Open  
             Iran
      
      IMAR   Indian Mountain Array Beam Reference Point          65.98350 -153.74911     372.0                      
             Alaska,U.S.A.
      
      IMAT   Imadeyama                                           39.10667  141.76000     519.0                      
             Iwate,Japan
      
      IMAY   Moygownagh, Co. Mayo, Ireland                       54.16070   -9.37960      29.0     4.5        Open  
             Ireland
      
      IMBA   Imbabura, San Roque                                  0.27640  -78.19910    3404.0                Open  
             Ecuador
      
      IMCRS  Cerreto                                             43.31200   12.63250     268.0                      
             Italy
      
      IMEH   Mehriz                                              31.39020   54.61300    2130.0                Open  
             Iran
      
      IMEL   Melhnausar                                          65.57000  -16.65730     370.0                Open  
             Iceland
      
      IMG    Imagane                                             42.39047  140.14439      90.0                      
             Hiyama,Japan
      
      IMHD   Mahdasht                                            35.68530   50.66750    1150.0                Open  
             Iran
      
      IMI    Imperia                                             43.91050    7.89320     840.0                Open  
             Italy
      
      IMIC   Mitchelstown Cave, Co. Tipperary, Ireland           52.30331   -8.10717     115.0    45.0        Open  
             Ireland
      
      IMID   Miomork                                             63.65800  -19.88600     132.0                Open  
             Iceland
      
      IMIM   Midmork2                                            63.65700  -19.89450     110.0                Open  
             Iceland
      
      IMIN   Minoodasht                                          37.14220   55.23360     180.0                Open  
             Iran
      
      IMJ    Imajo                                               35.79817  136.30278     240.0                      
             Fukui,Japan
      
      IMJO   Mjoaskard                                           63.93290  -19.67240     704.0                Open  
             Iceland
      
      IMK    Imi Mikki                                           30.52390   -9.65167      60.0                Open  
             Morocco
      
      IMKO   Mokollar                                            64.97780  -16.33910     660.0                Open  
             Iceland
      
      IML    Ismayilli                                           40.79300   48.18200     728.0                Open  
             Azerbaijan
      
      IMM    Islas Marias                                        21.62000 -106.58000                                
             Nayarit,Mexico
      
      IMMV   Iera Moni Metamorfosis, Varipetro, Chania, Crete    35.46060   23.98110     230.0     0.0        Open  
             Crete,Greece
      
      IMND   Minoodasht                                          37.25750   55.40690     180.0                Open  
             Iran
      
      IMNS   Imangra                                             56.62000  120.71000     540.0                Closed
             Amurskaya Oblast',Russia
      
      IMNT   Ischia Montagnone (NA)                              40.73610   13.93460     170.0                Open  
             Italy
      
      IMO    Isla Mona                                           18.10950  -67.90811       3.0                Open  
             Puerto Rico
      
      IMOB   Isla Mona                                           18.05000  -67.87000      93.0                      
             Puerto Rico
      
      IMOD   Iera Moni Odigitrias - Faistos, Heraklion, Crete Is.  34.97310   24.79950     242.0     0.0        Open  
             Crete
      
      IMOG   Moghan                                              36.10820   59.33930    2577.0                Open  
             Iran
      
      IMOK   Mouk                                                29.04610   52.71460    2788.0                Open  
             Iran
      
      IMOL   Imola, Italy                                        44.35950   11.74250      27.0   175.0        Open  
             Italy
      
      IMON   Monand                                              33.19220   59.66670    2150.0                Open  
             Iran
      
      IMOR   Morastadir                                          64.30180  -21.75110     130.0                Open  
             Iceland
      
      IMOR2  Chiles - Colombia                                    0.83250  -77.92770    4068.0                      
             Colombia
      
      IMOV   Isla Los Monjes                                     12.35900  -70.90200      67.0                Open  
             Venezuela
      
      IMP    Imphal                                              24.83114   93.94657     792.0                      
             Manipur,India
      
      IMPE   Imperial                                            32.90150 -115.56070     -26.0                      
             California
      
      IMPR   Mona Island, PR                                     18.07700  -67.93110      10.0     1.0        Open  
             Puerto Rico
      
      IMR    Isla Mona                                           18.08840  -67.84630      55.0                Closed
             Puerto Rico
      
      IMRA   Mudanya                                             40.56390   28.52850     125.0                      
             Turkey,Turkey
      
      IMRD   Marand                                              38.71330   45.70300    1684.0                Open  
             Iran
      
      IMRL   Imrali Adasi-Bursa                                  40.55540   28.52700       1.0                Open  
             Turkey
      
      IMS    Imsbach                                             49.59400    7.90083     430.0    76.0              
             Rheinland-Pfalz,Germany
      
      IMT    Isola di Marettimo                                  37.95667   12.07833                                
             Sicily,Italy
      
      IMTC   Ischia Forio Monte Corvo (NA) Italy                 40.72090   13.87580     209.0                Open  
             Italy
      
      IMU    Iron Mountain                                       38.63310 -113.15800    1832.0                Open  
             Utah,U.S.A.
      
      IMW    Indian Meadow                                       43.89700 -110.93900    2646.0                      
             Wyoming,U.S.A.
      
      IMWB   Imwonan-gil                                         37.23800  129.34190      54.4                Open  
             Republic of Korea
      
      IMYA   Miami                                               36.34160   60.10170    1684.0                Open  
             Iran
      
      IN0    Inta                                                66.01250   60.22010      71.0                Open  
             Komi
      
      IN1    Indiana Array                                       40.54200  -85.89361                          Closed
             Indiana,U.S.A.
      
      IN2    Indiana Array                                       39.93900  -86.78314                          Closed
             Indiana,U.S.A.
      
      IN3    Indiana Array                                       39.26528  -85.78542                          Closed
             Indiana,U.S.A.
      
      IN4    Indiana Array                                       39.56975  -84.90289                          Closed
             Indiana,U.S.A.
      
      INA    Iinan                                               34.44630  136.37500     160.0                Closed
             Mie,Japan
      
      INAQ   Fundacion Guayasamin, Bellavista alto, I帽aquito     -0.19040  -78.46940    2900.0     0.5        Open  
             Ecuador
      
      INB    Inubo                                               35.70306  140.86033      32.0                      
             Chiba,Japan
      
      INC    Inchon                                              37.48330  126.63300      70.0                      
             Republic of Korea
      
      INC6   INCERC                                              44.44100   26.16090      77.0                Open  
             Romania
      
      INCA   Colegio Marista Quito, el inca, jipijapa, Quito, Ecuador  -0.15940  -78.47140    2837.0     0.5        Open  
             Ecuador
      
      INCE   Bozkurt, 陌nceler, Denizli                           37.70910   29.57530    1026.0                Open  
             Turkey
      
      INCN   Inchon                                              37.48300  126.63300     420.0                      
             Republic of Korea
      
      INCO   Volcan de Colima INCA                               19.52550 -103.60400    3245.0                      
             Colima
      
      INCR   INCERC-Sediu Central                                44.44100   26.16110      88.0                Open  
             Romania
      
      IND    Independence                                        39.43430 -120.29200    2146.0                      
             California,U.S.A.
      
      INDC   Indio Hills                                         33.81620 -116.23000     354.0                Closed
             California,U.S.A.
      
      INDER  Inder                                               48.55360   51.77210      52.0     2.0        Open  
             Kazakhstan
      
      INDI   Punta indio, Guanacaste                              9.86650  -85.50220      74.0                Open  
             Costa Rica
      
      INDN   Indianola                                           40.19250 -100.40000     762.0                Closed
             Nebraska,U.S.A.
      
      INE    Iliamna NE                                          60.06080 -153.06200    1585.0                Open  
             Alaska,U.S.A.
      
      INEE   Ethiopia-Afar Geoscientific Lithospheric Experiment   9.89537   39.14310    2686.0                      
             Ethiopia
      
      INF    Infanta                                             14.75000  121.64667       5.0                      
             Luzon,Philippines
      
      ING    Ingram Ranch                                        32.98830 -115.31000       2.0                Closed
             California,U.S.A.
      
      INGI   Ingas                                               -8.81833  115.14500     202.0                      
             Bali,Indonesia
      
      INGLE  Inglenook, Smith Ridge                              39.52920 -123.69840     285.0                Open  
             California
      
      INGS   Inangahua Fire Station                             -41.85712  171.95255      73.0                Open  
             South Island,New Zealand
      
      INH    Isangel                                            -19.54720  169.27300     110.0                Open  
             Vanuatu
      
      INHS   Inglewood High School                              -39.15622  174.19053     210.0                Open  
             North Island,New Zealand
      
      INK    Inuvik                                              68.30650 -133.52540      44.0                Open  
             Northwest Territories,Canada
      
      INKA   Innaminka                                          -27.74096  140.74556      75.0                Open  
             South Australia,Australia
      
      INMG   Instituto de Meteorologia, Lisbon                   38.77433   -9.12567      93.0                Open  
             Portugal
      
      INMK   Ichinomiya                                          34.02842  134.46633      50.0                Closed
             Tokushima,Japan
      
      INN    Innsbruck                                           47.26670   11.40000     575.0                      
             Austria
      
      INPP   Ignalina Nuclear                                    55.60561   26.56667     148.5                      
             Lithuania
      
      INR    Itanagar                                            27.08000   93.60000                          Open  
             Arunachal Pradesh,India
      
      INS    Inspiration                                         33.93560 -116.19400    1700.0                Closed
             California,U.S.A.
      
      INS1   Heuchelheim BoxerKlub                               49.14830    8.04620     196.0                Open  
             Germany
      
      INS2   Steinweiler                                         49.12010    8.13370     134.0                Closed
             Germany
      
      INS3   Hergersweiler                                       49.09660    8.08210     140.0                Open  
             Germany
      
      INS4   Landau                                              49.19460    8.11090     146.0                Closed
             Germany
      
      INS4B  Landau                                              49.19280    8.11150     145.0                Open  
             Germany
      
      INS5   Hayna, Turnverein                                   49.12900    8.20340     128.0                Open  
             Germany
      
      INS6   Kandel, Kundencenter Pfalzwerke                     49.08690    8.19320     130.0                Closed
             Germany
      
      INS6B  Friedhof Kandel                                     49.08520    8.19390     130.0                Open  
             Germany
      
      INS7   Herxheim Wasserbehaelter                            49.16000    8.21200     155.0                Open  
             Germany
      
      INS8   Friedhof Edesheim                                   49.26280    8.12510     162.0                Open  
             Germany
      
      INSH   Angelsportverein                                    49.14730    8.16580     130.0                Open  
             Germany
      
      INSR   Institute                                           53.06611  158.60500     175.0                      
             Kamchatskaya Oblast',Russia
      
      INSS   Lower Hutt GNS Nuclear Sciences                    -41.23352  174.92112      32.0                Open  
             North Island,New Zealand
      
      INT    INT                                                  9.81470  -84.60880     125.0                Closed
             Costa Rica
      
      INTHN  La Esperanza Intibuca                               14.31368  -88.10347    2027.0                Open  
             Honduras
      
      INTP   Intipuca                                            13.19750  -88.05430     167.0                      
             El Salvador
      
      INTR   Introdacqua                                         42.01154   13.90460     924.0                Open  
             Italy
      
      INTV   Intevep                                             10.38781  -67.05139    1594.0                Open  
             Venezuela
      
      INU    Inuyama                                             35.34880  137.01700     140.0                Open  
             Aichi,Japan
      
      INUQ   Inukjuak                                            58.45092  -78.11861      12.0                Open  
             Quebec,Canada
      
      INV    Inveralochy                                        -34.96500  149.66700     650.0                Closed
             New South Wales,Australia
      
      INVE   Universidad Invenio (Canas)                         10.47640  -85.06280     329.0                      
             Costa Rica
      
      INVG   Invergeldie, Comrie                                 56.42730   -4.04520     279.0                Open  
             Scotland,United Kingdom
      
      INVM   La Marquesa                                         19.29120  -99.38270    3068.0                      
             Mexico D.F.
      
      INW    Iliamna NW                                          60.06767 -153.13250    1219.0                Closed
             Alaska,U.S.A.
      
      INXR   Petrosani                                           45.42310   23.37708     653.0                Open  
             Romania
      
      INY    Ithaca                                              42.44380  -76.48360     238.0                Open  
             New York,U.S.A.
      
      INYL   Nylenda                                             63.97400  -22.73800       7.0                Open  
             Iceland
      
      INZ    Inchbonnie                                         -42.72450  171.44410     165.0                Open  
             South Island,New Zealand
      
      IO-    Ione                                                38.52583 -117.63889    1737.0         IO-NV        
             Nevada,U.S.A.
      
      IOCA   Ischia Osservatorio Casamicciola                    40.74680   13.90140     110.0                Open  
             Italy
      
      IOLF   Oldufell                                            63.75170  -18.84080     472.0                Open  
             Iceland
      
      IOMK   Kirk Michael                                        54.26050   -4.56620     188.0                Open  
             Isle of Man
      
      IO-NV  Ione                                                38.52583 -117.63889    1737.0                      
             Nevada,U.S.A.
      
      IOSI   Ios Island, Greece                                  36.72250   25.28870     220.0     0.0        Open  
             Greece
      
      IOSP   Ios island                                          36.72330   25.28900     226.0     0.0        Open  
             Greece
      
      IP01   Cuckoo                                              37.95719  -77.91119     109.0                      
             Virginia,U.S.A.
      
      IP03   Louisa                                              38.02050  -78.01469     152.0                      
             Virginia,U.S.A.
      
      IP04   Greensprings                                        38.09219  -78.09419     166.0                      
             Virginia,U.S.A.
      
      IP05   Hopewell Church                                     37.83031  -77.75569     108.0                      
             Virginia,U.S.A.
      
      IP06   Yanceyville                                         37.93339  -77.98150     114.0                      
             Virginia,U.S.A.
      
      IP07   Quail                                               37.91850  -78.02961     138.0                      
             Virginia,U.S.A.
      
      IPA    Ipanguacu                                           -5.69583  -36.85610      65.0                Open  
             Rio Grande do Norte,Brazil
      
      IPAI   Ragusa ex Provincia                                 36.91208   14.72486     535.0                Open  
             Italy
      
      IPAN   Panarea IE                                          38.63930   15.07020      30.0                Open  
             Sicily,Italy
      
      IPAR   Pars                                                29.84190   53.04850    2603.0                Open  
             Iran
      
      IPAY   Payeh                                               36.45000   58.99600    2100.0                Open  
             Iran
      
      IPE    Ipeti                                                8.97717  -78.49333      50.0                      
             Panama
      
      IPES   Pescosannita                                        41.23330   14.83330     395.0                Open  
             Italy
      
      IPFO   International Monitoring System (IMS) Pinon Flats Observatory Seismic Station  33.61152 -116.45938    1277.0     5.0        Open  
             U.S.A.
      
      IPIL   Ipil                                                 7.78800  122.57100      50.0                      
             Mindanao,Philippines
      
      IPIR   Pirpir                                              32.68410   50.89170    2600.0                Open  
             Iran
      
      IPM    Ipoh                                                 4.47950  101.02550     247.0                Open  
             Peninsular Malaysia,Malaysia
      
      IPMB   Ipameri, GO                                        -17.98300  -48.21170     706.0     0.0        Open  
             Goias,Brazil
      
      IPNR   Panarea - vetta Panarea                             38.64350   15.06880     205.0     1.0        Open  
             Sicily
      
      IPOZ   Pozzuoli                                            40.82030   14.12050       3.0                Open  
             Italy
      
      IPPL   IPPL - HMU, Tria Monastiria, Rethimno,Crete         35.34870   24.46320     193.0     0.0        Open  
             Crete
      
      IPRE   Itoiz                                               42.80580   -1.35640     530.0                Open  
             Spain
      
      IPRN   Peran                                               36.24190   52.33810    1333.0                Open  
             Iran
      
      IPSM   Ischia Porto, Stazione Anton Dhorn (NA)             40.74620   13.94380      53.5                Open  
             Italy
      
      IPVM   Iztapalapa                                          19.34600  -99.09130    2369.0                      
             Mexico D.F.
      
      IQHU   Qucahn                                              37.07300   58.53940    1320.0                Open  
             Iran
      
      IQOM   Qom                                                 34.84240   51.07030    2270.0                Open  
             Iran
      
      IQQ    Iquique                                            -20.24080  -70.12780                          Open  
             Tarapaca,Chile
      
      IR1    Iran Long-Period Array                              35.41600   50.68900    1347.0                Open  
             Iran
      
      IR2    Iran Long-Period Array                              35.66280   50.89760    1172.0                Open  
             Iran
      
      IR2C   Iron Canyon                                         34.38808 -118.39972     562.0                      
             California,U.S.A.
      
      IR3    Iran Long-Period Array                              35.47610   51.02380     989.0                Open  
             Iran
      
      IR4    Iran Long-Period Array                              35.23870   50.90120    1373.0                Open  
             Iran
      
      IR5    Iran Long-Period Array                              35.21280   50.58110    1385.0                Open  
             Iran
      
      IR6    Iran Long-Period Array                              35.47370   50.42560    1540.0                Open  
             Iran
      
      IR7    Iran Long-Period Array                              35.70280   50.60890    1305.0                Open  
             Iran
      
      IRAF   Chalets d'Iraty - Larrau, Pyrenees-Atlantique, France  43.03350   -1.03710    1410.0                Open  
             Aquitaine
      
      IRAH   Raudholl                                            63.85290  -22.56790      51.0                Open  
             Iceland
      
      IRAM   Ramesheh                                            31.80880   52.38150    2000.0                Open  
             Iran
      
      IRAN   Bomosa Island                                       25.87993   55.02560       7.0     3.0        Open  
             Iran
      
      IRAZ   Razeghan                                            35.40460   49.92900    1950.0                Open  
             Iran
      
      IRC    Iron Canyon                                         34.38850 -118.40303     533.0                Closed
             California,U.S.A.
      
      IRCI   INEL Research                                       43.51533 -112.03333    1442.0                Open  
             Idaho,U.S.A.
      
      IRDE   Institut de recherche pour le d茅veloppement - Quito  -0.19720  -78.48100    2810.0                      
             Ecuador
      
      IREN   Reynihlio                                           65.64700  -16.90600     338.0                Open  
             Iceland
      
      IRES   Siquirres                                           10.09600  -83.50500      84.0                      
             Costa Rica,Costa Rica
      
      IRI    Irimote jima                                        24.38567  123.74933       9.0                Open  
             Ryukyu Islands,Japan
      
      IRIF   Iriomote-Funauki                                    24.33480  123.73000       5.0                Open  
             Ryukyu Islands,Japan
      
      IRIN   Iringa                                              -7.76200   35.68650    1577.0                      
             Tanzania,United Republic of Tanzania
      
      IRJU   Rjupnafell                                          63.61740  -18.67210     173.0                Open  
             Iceland
      
      IRK    Irkutsk                                             52.24306  104.27111     467.0                      
             Irkutskaya Oblast',Russia
      
      IRM    Iron Mountain Pumping Sta,Desert Center             34.15738 -115.14513     567.0                Open  
             California,U.S.A.
      
      IRN    Iron Mountains                                      34.16000 -115.18400     980.0                Closed
             California,U.S.A.
      
      IRNE   Reykjanes                                           63.81680  -22.70560      19.0                Open  
             Iceland
      
      IRO    Indian Ridge                                        44.00528 -122.25428    1642.0                      
             Oregon,U.S.A.
      
      IRRE   Albstadt-Irrenberg                                  48.28140    8.94450     917.0    50.0        Open  
             Baden-Wurttemberg
      
      IRS    Iris                                                33.19080 -115.42900     -10.0                Closed
             California,U.S.A.
      
      IRSH   Iranshahr                                           27.20000   60.70000       0.0                      
             Iran
      
      IRSR   Iranshahr-Savaran                                   26.96250   60.87380     954.0     3.0        Open  
             Iran
      
      IRZ    Volcan Irazu                                         9.97442  -83.86570    3380.0                Closed
             Costa Rica
      
      IRZ2   Volcan Irazu 2                                       9.96883  -83.89750    2975.0                Open  
             Costa Rica
      
      IRZU   Oratorio                                             9.89750  -83.83850    1811.0                Open  
             Costa Rica
      
      IS2    Icelocation 2                                       69.16600  -44.73570    2220.0     0.0              
             Greenland
      
      ISA    Isabella, Lake Isabella                             35.66278 -118.47403     873.0                Open  
             California,U.S.A.
      
      ISA2   Santa Isabel                                         4.83020  -75.39480    4250.0                      
             Colombia
      
      ISAD   Sadrabad                                            31.91360   53.68550    2457.0                Open  
             Iran
      
      ISAL   Salakas                                             55.57114   26.12547     175.0    30.0              
             Lithuania
      
      ISAN   Sandskeio                                           64.05600  -21.57000     208.0                Open  
             Iceland
      
      ISAU   Saurbar                                             63.99000  -20.41500      74.0                Open  
             Iceland
      
      ISAV   Santa Isabel                                         9.50681  -70.85631                                
             Venezuela
      
      ISAX   Saxhamar                                            64.89000  -23.84280     107.0                Open  
             Iceland
      
      ISB1   Isabela Fire Station                                18.48787  -67.02644      86.0     0.0        Open  
             Puerto Rico
      
      ISB2   Isabela Guajataca                                   18.39759  -66.92929     198.0     0.0        Open  
             Puerto Rico
      
      ISBA   Islamabad                                           33.70000   73.10000     629.0     3.0        Open  
             Pakistan
      
      ISBTO  Bastimentos Island                                   9.34500  -82.20600      36.0                      
             Panama
      
      ISCO   Idaho Springs                                       39.79972 -105.61342    2743.0                Open  
             Colorado,U.S.A.
      
      ISD    ISOLA DELLA SCALA                                   45.27330   10.96020     400.0                Open  
             Italy
      
      ISE    Ise                                                 34.45850  136.77400     440.0                Open  
             Mie,Japan
      
      ISECA  Islas Secas                                          7.98200  -82.03200      22.0                      
             Panama
      
      ISF    Isfjord                                             78.05920   13.64030       5.0                      
             Svalbard,Norway
      
      ISFB   Sefidab                                             34.35180   52.24060     948.0                Open  
             Iran
      
      ISFR   Sfrayin                                             37.05380   58.00000    2448.0                Open  
             Iran
      
      ISGB   Iksangeumgang                                       35.93450  126.97410      53.0   100.0        Open  
             Republic of Korea
      
      ISH    Ishtion                                             38.83333   70.78333    1880.0                      
             Tajikistan
      
      ISHB   Shabestar                                           38.28330   45.61700    2150.0                Open  
             Iran
      
      ISHJ   Ishigaki Ryukyu Islands                             24.38000  124.23000      50.0                      
             Ryukyu Islands,Japan
      
      ISHK   Ishkashim                                           36.70330   71.63880    2560.0     3.0        Open  
             Tajikistan
      
      ISHM   Shahmirzad                                          35.80670   53.29220    2500.0                Open  
             Iran
      
      ISHO   Shoshtar                                            32.28910   48.02230       0.0                Open  
             Iran
      
      ISHR   Shahran                                             35.80610   51.28890    1470.0                Open  
             Iran
      
      ISHV   Shirvan                                             37.53470   57.70270    1925.0                Open  
             Iran
      
      ISI    Ishigaki jima                                       24.33167  124.16333       6.0                      
             Ryukyu Islands,Japan
      
      ISIG   Siglufjorour                                        66.13200  -18.91500      10.0                Open  
             Iceland
      
      ISIK   Ishii                                               34.05733  134.45806      27.0                      
             Tokushima,Japan
      
      ISK    Istanbul-Kandilli                                   41.06556   29.05917     132.0                Open  
             Turkey
      
      ISKI   Skildingah貿(mào)lshraun                                  65.86980  -17.02700     316.0                Open  
             Iceland
      
      ISKR   Skrokkalda                                          64.56000  -18.38600     858.0                Open  
             Iceland
      
      ISKY   Isaakyan                                            40.60000   43.70000    1435.0                      
             Armenia
      
      ISL    Ismayilll                                           40.81000   48.17000     755.0                Open  
             Azerbaijan
      
      ISLE   Juniper Island                                      60.60250 -142.33911    1485.0                      
             Alaska,U.S.A.
      
      ISLN   Salina IE                                           38.58030   14.81350     283.0                Open  
             Sicily,Italy
      
      ISLY   Slysaalda                                           63.82400  -19.11730     633.0                Open  
             Iceland
      
      ISLZ   Isanotski Lazaref River                             54.72600 -163.71100     631.0                Open  
             Aleutian Islands, Alaska,U.S.A.
      
      ISM    Ismayilli                                           40.80600   48.21000     926.0                Closed
             Azerbaijan
      
      ISMJ   Smjorgil                                            63.67590  -19.65780     211.0                Open  
             Iceland
      
      ISN    Ishinomaki                                          38.42500  141.30300      44.0                      
             Miyagi,Japan
      
      ISNA   Santa Maria Salina                                  38.55460   14.84960     978.0     1.0        Open  
             Sicily
      
      ISNB   Snabyli                                             63.73600  -18.63100     245.0                Open  
             Iceland
      
      ISNH   Isernia Ospedale                                    41.58370   14.22310     397.0                Open  
             Italy
      
      ISNL   Isnello                                             37.94412   14.00622     584.0                Open  
             Italy
      
      ISNN   Isanotski North                                     54.83228 -163.77844     466.0                      
             Alaska,U.S.A.
      
      ISO    Isola                                               44.18330    7.05000     876.0                Open  
             Provence-Cote d'Azur,France
      
      ISOG   Isortoq, Greenland                                  65.54800  -38.97570      12.0                Open  
             Greenland
      
      ISOK   Kyela                                               -9.50900   33.49440    1443.0                Closed
             Tanzania
      
      ISOL   Solvholt                                            63.92900  -20.94400      30.0                Open  
             Iceland
      
      ISOR   Termini                                             40.58200   14.33500     497.0                Open  
             Italy
      
      ISP    Isparta                                             37.82260   30.52210    1100.0                      
             Turkey
      
      ISPG   Isla Puna-Puerto Grande                             -2.96870  -80.16950     500.0                Open  
             Ecuador
      
      ISPIC  ISPICA                                              36.78040   14.90320     165.0                Open  
             Italy
      
      ISPL   Str Punta Lena IE                                   38.77470   15.21120     160.0                Open  
             Sicily,Italy
      
      ISPR   Interamericana de San German Puerto Rico            18.08480  -67.04900      85.0     0.0        Open  
             Puerto Rico
      
      ISPT   Isla de la Plata                                    -1.26210  -81.07360     190.0                Open  
             Ecuador
      
      ISPU   Isla Puna                                           -2.80780  -80.24150      30.0                Open  
             Ecuador
      
      ISQ    Mount Isa                                          -20.71500  139.55300     500.0                Closed
             Queensland,Australia
      
      ISR    Istrita                                             45.11881   26.54311     750.0                Open  
             Romania
      
      ISRB   Sarab                                               37.82500   47.66670    1950.0                Open  
             Iran
      
      ISRF   Istric ta                                           45.11864   26.54328     763.0                      
             Romania
      
      ISRO   Mashad                                              36.30880   59.47030    1150.0   100.0        Open  
             Iran
      
      ISRV   Sarvestan                                           29.38170   53.11330    2688.0                Open  
             Iran
      
      ISSF   Issarbe                                             43.02780   -0.79533    1210.0                Closed
             Aquitaine,France
      
      IST    Istanbul                                            41.04556   28.99583      50.0                Closed
             Turkey
      
      IST1   Istanbul                                            41.04330   28.98500      65.0                Closed
             Turkey
      
      IST3   Stromboli F                                         38.79920   15.23040     255.0     0.0        Open  
             Sicily,Italy
      
      ISTE   Stelbrattur                                         64.85590  -19.62750     740.0                Open  
             Iceland
      
      ISTK   Isanotski                                           54.73214 -163.70628     704.0                      
             Alaska,U.S.A.
      
      ISTP   Stromboli Pizzo                                     38.79270   15.21430     963.0     0.0        Open  
             Sicily,Italy
      
      ISTR   Stromboli Ginostra                                  38.78670   15.19190     117.0     1.0        Open  
             Sicily,Italy
      
      ISU    Indiana State University                            39.47139  -87.40750     148.0                      
             Indiana,U.S.A.
      
      ISUC   Cotopaxi Ecuador                                    -0.64280  -78.49700    3701.5                Open  
             Ecuador
      
      ISVA   Svartarkot                                          65.33700  -17.25500     403.0                Open  
             Iceland
      
      IT01A  Cassolnovo                                          45.37940    8.76850     174.0     0.8        Open  
             Italy
      
      ITA    Itatiaia                                           -22.37560  -44.70170    2530.0                      
             Rio de Janeiro,Brazil
      
      ITAB   Concordia                                          -27.23490  -52.13130     150.0                      
             Brazil
      
      ITAG   Taghalsar                                           64.86700  -23.73240     335.0                Open  
             Iceland
      
      ITAL   Pital                                               10.45100  -84.27200     170.0                      
             Costa Rica,Costa Rica
      
      ITAN   ITANAGAR                                            27.14455   93.72203     217.7                Open  
             Arunachal Pradesh,India
      
      ITB    Itaipu                                             -24.79360  -54.20890     300.0                      
             Parana,Brazil
      
      ITB1   Itaipu 1                                           -24.64670  -54.38860                          Open  
             Parana,Brazil
      
      ITB7   Itaipu 7                                           -25.12220  -54.17530     400.0                      
             Parana,Brazil
      
      ITBT   Itumba                                              -9.42867   33.18580    1270.0                Open  
             Tanzania,United Republic of Tanzania
      
      ITBZ   Tabriz                                              38.23330   46.14700    1650.0                Open  
             Iran
      
      ITC1   Ithaki                                              38.36450   20.71560       1.0                Open  
             Greece
      
      ITCA   Escuela Especializada en Ingenier鉚a                 13.67350  -89.27820     926.0                      
             El Salvador
      
      ITD    Itadori                                             35.72378  136.78036     390.0                      
             Gifu,Japan
      
      ITE1   Itea                                                38.43380   22.42720      14.0                Open  
             Greece
      
      ITEG   Tejag                                               32.89650   58.74880    1745.0                Open  
             Iran
      
      ITEV   Isla Los Testigos                                   11.35500  -63.13200      13.0                Open  
             Venezuela
      
      ITF10  CHI Itaipu Binacional                              -24.79420  -54.20890     463.0     0.0        Open  
             Parana,Brazil
      
      ITF11  CHI Itaipu Binacional                              -24.64690  -54.38860     361.0     0.0        Open  
             Paraguay
      
      ITF4   CHI Itaipu Binacional                              -25.31030  -54.25550     354.0     0.0        Open  
             Parana,Brazil
      
      ITF6   CHI Itaipu Binacional                              -25.17940  -54.60140     308.0     0.0        Open  
             Paraguay
      
      ITG    Itzapa                                              14.59683  -90.84550    2320.0                Open  
             Guatemala
      
      ITGE   Itoigawa                                            37.00817  137.99917     270.0                Closed
             Niigata,Japan
      
      ITH    Ithaca                                              42.45000  -76.48330     243.0                Closed
             New York,U.S.A.
      
      ITHC   Exogi, Ithaca                                       38.46223   20.63200     356.0     0.0        Open  
             Greece
      
      ITHO   Ithomi                                              37.17861   21.92519     400.0                      
             Greece
      
      ITIP   Aglish, Co. Tipperary, Ireland                      53.04628   -8.07947      60.0     0.0        Open  
             Ireland
      
      ITIT   Ipitacuapi                                         -20.25380  -63.16180     823.0                Closed
             Bolivia
      
      ITKG   Kharagpur                                           22.31910   87.37070      40.0                Open  
             West Bengal,India
      
      ITKT   Itaka                                               -8.87283   32.78300    1590.0                Open  
             Tanzania,United Republic of Tanzania
      
      ITM    Ithomi                                              37.17970   21.92670     400.0                Open  
             Greece
      
      ITO    Ito                                                 34.96670  139.10000                          Closed
             Shizuoka,Japan
      
      ITQB   Itaqui                                             -29.67140  -56.62410      80.0     0.0        Open  
             Rio Grande do Sul,Brazil
      
      ITR    Itaparica                                           -8.76139  -38.42330     321.0                      
             Pernambuco,Brazil
      
      ITR2   Itaparica 2                                         -9.09700  -38.25480     375.0                      
             Pernambuco,Brazil
      
      ITR5   Itaparica 5                                         -8.99980  -38.45950     315.0                      
             Pernambuco,Brazil
      
      ITRB   Iturama                                            -19.70420  -50.35900     431.0     0.0        Closed
             Minas Gerais,Brazil
      
      ITS1   Elaiones                                            40.62500   23.01210     167.0                Open  
             Greece
      
      ITTB   Itaituba                                            -4.36720  -55.73430     118.0                Open  
             Para,Brazil
      
      ITU    Istanbul                                            41.10620   29.01480      98.0                Open  
             Turkey
      
      ITU03  UHE Itumbiara                                      -18.24420  -48.88700     544.0     0.0        Open  
             Goias
      
      ITU3   Corumbazu                                          -18.22000  -48.87000     544.0                      
             Goias
      
      ITUM   Tunduma                                             -9.40050   33.18800    1365.0                Closed
             Tanzania
      
      ITZ    Itezhi-Tezhi                                       -15.74653   26.01568    1106.0                Open  
             Zambia
      
      IUG    Iuzhnay                                             42.14700   70.03100    1200.0                Open  
             Kazakhstan
      
      IUI    Joint University Institute Eilat                    29.50128   34.91589      28.0                Open  
             Israel
      
      IUNC   Unciti                                              42.75590   -1.49890     766.0                Open  
             Spain
      
      IURH   Urdarhals                                           64.82040  -17.14710    1078.0                Open  
             Iceland
      
      IUSE   Utxeti                                              42.94690   -1.54780     870.0                Open  
             Spain
      
      IVA    Berane                                              42.87180   19.89310     996.0                Open  
             Montenegro
      
      IVAG   Clark Hill Reservoir                                34.27210  -82.74600     168.0                Closed
             Georgia,U.S.A.
      
      IVAS   Ivanjica                                            43.57642   20.15236     811.0                Open  
             Serbia
      
      IVAT   Vatnsfell                                           64.18700  -18.91800     573.0                Open  
             Iceland
      
      IVCR   Vulcano Cr IE                                       38.40800   14.96200     140.0                Open  
             Sicily,Italy
      
      IVE    Iliamna Volcano East                                60.01689 -153.01631    1173.0                Open  
             Alaska,U.S.A.
      
      IVES   Vestmannaeyjar                                      63.44300  -20.28700      55.0                Open  
             Iceland
      
      IVEY   Vestmannaeyjar                                      63.41940  -20.27540     154.0                Open  
             Iceland
      
      IVF    Ivanof Bay                                          55.89580 -159.53000     275.0                Closed
             Alaska,U.S.A.
      
      IVGM                                                       47.40000  106.57000    1900.0                Open  
             Mongolia
      
      IVGP   Vulcano Grotta dei Palizzi                          38.39680   14.96080     130.0     1.0        Open  
             Sicily,Italy
      
      IVI    Ivigtut                                             61.20581  -48.17119      15.0                Open  
             Greenland
      
      IVIS   Veis                                                34.52640   46.84960    1135.0                Open  
             Iran
      
      IVIV   IVIC                                                10.40380  -66.97430    2375.0                Open  
             Venezuela
      
      IVK    Ivanovka                                            51.80090  104.41400     470.0                Open  
             Irkutskaya Oblast',Russia
      
      IVKQ   Ivujivik                                            62.41836  -77.91133       7.0                Open  
             Quebec,Canada
      
      IVLC   Ischia Forio, Villa la Colombaia (NA)               40.75910   13.87210      93.4                Open  
             Italy
      
      IVLF   Ivalo                                               68.60740   27.59830     173.0                Open  
             Finland
      
      IVLO   Vulcanello                                          38.42619   14.96096      56.0     1.0        Open  
             Sicily
      
      IVLT   Vulcano Lentia IE                                   38.39600   14.94800     150.0                Open  
             Sicily,Italy
      
      IVME   Vestmannaeyjar                                      63.42700  -20.29390      76.0                Open  
             Iceland
      
      IVN    Inveralochy                                        -34.96670  149.66700     650.0                Closed
             New South Wales,Australia
      
      IVOG   Vogar                                               63.97000  -22.39300       7.0                Open  
             Iceland
      
      IVON   Vonarskard                                          64.67320  -17.75580     999.0     0.0        Open  
             Iceland
      
      IVOS   Vogsosar                                            63.85300  -21.70400       8.0                Open  
             Iceland
      
      IVOT   Vottur                                              64.27080  -17.18250    1041.0                Open  
             Iceland
      
      IVPL   Vulcano Piano                                       38.37630   14.98010     481.0     1.0              
             Sicily
      
      IVR    IVREA                                               45.47000    7.88220     310.0                Open  
             Italy
      
      IVRN   Varamin                                             34.99540   51.72730     855.0                Open  
             Iran
      
      IVS    Iliamna South                                       60.00920 -153.08100    2332.0                Open  
             Alaska,U.S.A.
      
      IVSH   V-Sauoahnukur                                       64.80800  -15.72800     849.0                Open  
             Iceland
      
      IVSM   Inverness                                          -36.13378  147.06814     330.0                      
             Victoria,Australia
      
      IVT    Ira                                                 43.52211  -73.05331     295.0                Closed
             Vermont,U.S.A.
      
      IVUG   Vulcano Grillo IE                                   38.39600   14.98600     250.0                Open  
             Sicily,Italy
      
      IVY    Inveralochy                                        -34.97220  149.71800     650.0                Open  
             New South Wales,Australia
      
      IWEX   Carrickbyrne, Co Wexford                            52.37430   -6.77450     180.0     0.5              
             Ireland
      
      IWJ    Iwai-Kita                                           35.09811  139.87139       0.0                      
             Chiba,Japan
      
      IWK    Iwaki                                               37.00000  140.94900      35.0                      
             Fukushima,Japan
      
      IWN    Iwanai                                              42.67050  143.04622     235.0                Open  
             Hokkaido,Japan
      
      IWO    Iwaosan                                             34.88250  136.13222     400.0                Closed
             Mie,Japan
      
      IWPI   Rasiei, Papua Barat                                 -2.75810  134.51620      36.0                Open  
             Indonesia
      
      IWT    Iwatsuki                                            35.92581  139.73811   -3501.0                      
             Saitama,Japan
      
      IXC    Ixtacomitan                                         17.42722  -93.10083                                
             Chiapas,Mexico
      
      IXG    Ixpaco                                              14.17167  -90.44133    1520.0                Open  
             Guatemala
      
      IXT    Ixtapalapa                                          19.40000  -99.10000                                
             Mexico D.F.,Mexico
      
      IZAB   Izabela                                             48.56890   19.71260     450.0                Open  
             Slovakia
      
      IZABA  Izabal, Puerto Barrios                              15.73000  -88.58430      10.0                Open  
             Guatemala
      
      IZAR   Zarasai                                             55.74975   26.24578     184.0    30.0              
             Lithuania
      
      IZDR   Rize                                                40.78580   40.56160     793.0                Open  
             Turkey
      
      IZEF   Zefreh                                              32.89560   52.32910    2320.0                Open  
             Iran
      
      IZI    Iznik                                               40.33680   29.47280     910.0                Open  
             Turkey
      
      IZK    Iizuka                                              33.65000  130.70000                                
             Fukuoka,Japan
      
      IZM    Izmir                                               38.39778   27.26250     632.0                Open  
             Turkey
      
      IZMD   Dikili, Delikta艧, 陌zmir                             38.98420   26.92810    1021.0                Open  
             Turkey
      
      IZMH   Iizume                                              40.83378  140.49853      30.0                      
             Aomori,Japan
      
      IZMR   Balabanl謀, 脰demi艧, 陌zmir                            38.13670   27.95220     168.0                Open  
             Turkey
      
      IZMRN  Krasnoe ozero                                       60.54250   29.71600      41.0                      
             Leningradskaya Oblast'
      
      IZN    Iznik                                               40.43381   29.76050     195.0                Closed
             Turkey
      
      IZRL   Izrael                                              32.56293   35.32271     104.0                Open  
             Israel
      
      IZT    Izumi                                               34.97222  134.88764     230.0                      
             Hyogo,Japan
      
      IZTMP  Baucca                                              43.45453   12.30625     348.0                      
             Italy
      
      IZU    Izuhara                                             34.19500  129.29333      18.0                Closed
             Nagasaki,Japan
      
      IZU2   Izuhara 2                                           34.22731  129.27331     410.0                Closed
             Nagasaki,Japan
      
      IZUJ   Izuhara                                             34.19500  129.29300       3.0                Open  
             Nagasaki,Japan
      
      IZUN   Zunzarren                                           42.86100   -1.45640     701.0                Open  
             Spain
      
      IZV    Izvestkoviy                                         43.03600   76.61300    1720.0                Open  
             Kazakhstan
      
      IZVB   Izvoarele B                                         45.56190   27.76860      58.0                Open  
             Romania
      
      IZVR   Izvoarele                                           45.54320   27.76720      59.0                Open  
             Romania
      
      IZZE   陌zzettin, Seydikemer, Mu臒la                         36.43680   29.22560     305.0                Open  
             Turkey
      
      
      International Seismological Centre
      Pipers Lane, Thatcham, Berkshire
      United Kingdom RG19 4NS
      voice: +44 (0)1635 861022
      fax: +44 (0)1635 872351

      web site: http://www.gxjydl.com/
      e-mail: station_reg@isc.ac.uk
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