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 ============================================================================================================== I30A Oacoma 43.91430 -99.42620 549.0 Closed South Dakota,U.S.A. OA- Oahu Island 21.45750 -157.99639 183.0 OA-IS Closed Hawaii,U.S.A. OA-IS Oahu Island 21.45750 -157.99639 183.0 Closed Hawaii,U.S.A. OKDL Oakdale -34.07050 150.48080 505.0 1.0 Open New South Wales OK009 Oakdale Elementary Sch. 35.58131 -97.42289 320.0 Oklahoma,U.S.A. OAK Oakfield 43.05700 -78.33720 259.0 Closed New York,U.S.A. WOFM Oak Flat 35.53544 -118.71353 1306.0 California,U.S.A. OKG Oak Grove 35.62600 -89.83500 129.0 Closed Tennessee,U.S.A. OHW Oak Harbor 48.32330 -122.53200 54.0 Open Washington,U.S.A. ONH Oakhill 43.27920 -71.50560 280.0 Open New Hampshire,U.S.A. Q29A Oakley 38.89050 -100.97870 895.0 Closed Kansas,U.S.A. ORT Oak Ridge 35.90950 -84.30480 370.0 Open Tennessee,U.S.A. OB-NV Oak Springs Butte 37.23583 -116.05250 1731.0 Nevada,U.S.A. OB3NV Oak Springs Butte 37.23250 -116.05417 1609.0 Nevada,U.S.A. OB2NV Oak Springs Butte 37.22528 -116.05778 1542.0 Nevada,U.S.A. LAVM Oakton 36.66350 -89.08400 86.0 Closed Kentucky,U.S.A. HMDN Oakton 36.70500 -89.13270 89.0 Open Kentucky,U.S.A. OAKV Oakville Experimental Vineyard 38.43060 -122.41080 118.0 Open California L38A Oak Wood Farm, Albion 42.14100 -92.95970 300.0 Closed Iowa,U.S.A. OMZ Oamaru -45.06886 170.91479 95.0 Closed South Island,New Zealand OAMS Oamaru North Otago Museum -45.09975 170.96914 20.0 Open South Island,New Zealand OAS Oasis -23.20060 -69.71390 1340.0 Antofagasta,Chile OBA Oasis-Bungera -66.16670 100.73300 24.0 Queen Mary Land U29A Oasis Ranch, Spearman 36.45190 -101.27020 928.0 Closed Texas,U.S.A. CFL05 Oasi WWF, Napoli 40.84016 14.15905 98.0 0.0 Open Italy OAT Oat Mountain 34.34361 -118.61439 1089.0 California,U.S.A. LAGM Oaxaca 16.10417 -97.07783 201.0 Oaxaca,Mexico YOO Oaxaca 17.75000 -97.82500 1600.0 Oaxaca,Mexico OAX Oaxaca 17.02028 -96.76278 1570.0 Oaxaca,Mexico OXX Oaxaca 17.08170 -96.72330 1730.0 Open Oaxaca,Mexico AZO Oaxaca 15.96600 -97.40800 Oaxaca,Mexico OXLC Oaxaca 17.06500 -96.70330 1700.0 Oaxaca OXBJ Oaxaca 17.06730 -96.72400 1700.0 Open Oaxaca,Mexico GUO Oaxaca 16.09867 -97.06100 244.0 Oaxaca,Mexico OXIG Oaxaca 17.07250 -96.73290 1737.0 Open Oaxaca PXO Oaxaca 15.74783 -96.30300 25.0 Oaxaca,Mexico SWAJ Obama 32.67750 130.20222 257.0 Nagasaki,Japan OBZ Oban -46.90343 168.11539 26.0 Closed Stewart Island,New Zealand JAO Obara 35.26667 137.25833 600.0 Gifu,Japan GSF02 Oberaar-Guttannen, Baeregghuette, BE 46.54957 8.28360 2455.0 Closed Switzerland ILL13 Obere Abschlacht, ILLGRABEN, VS 46.29697 7.62744 735.1 Open Switzerland GEIDO Obergei脽endorf 50.73530 12.19990 341.0 Open Thuringen GSF03 Obergoms, Fort Galenhuetten Furkastrasse, VS 46.57738 8.39105 2403.0 Open Switzerland OGA Obergurgl 46.86780 11.02530 1934.0 Open Austria A357B Oberlauterbach 48.70260 11.94660 434.0 Open Germany OBK Oberlin 39.92880 -100.43900 792.0 Closed Kansas,U.S.A. OMED Obermendig 50.38000 7.24000 229.0 Open Rheinland-Pfalz A105A Obersdorf, Schattenberg 47.40696 10.29336 890.0 Open Germany OBER Oberstdorf 47.40700 10.29340 1000.0 Open Bayern,Germany TRIB Obertriebel 50.35170 12.13700 510.0 Open Sachsen,Germany D163 Oberwoelz 47.23060 14.29700 1152.0 Open Austria OBG Obi Garm 38.71670 69.71670 1350.0 Tajikistan OBI Obihiro 42.92000 143.21667 39.0 Tokachi,Japan NCHT Obion 36.26470 -89.12070 110.0 Closed Tennessee OBKA Obir 46.50917 14.54889 1074.7 Austria OBIP Obispado Ponce 18.04281 -66.60619 102.0 Puerto Rico OBN Obninsk 55.11380 36.56870 Kaluzhskaya Oblast',Russia OBOS Obo 61.80000 149.77000 440.0 Open Magadanskaya Oblast',Russia OBO Obock 11.98530 43.29170 40.0 Open Djibouti OBVZ Obonuco 1.20330 -77.32270 3010.0 Colombia OB01 OBS 01 -33.40600 -72.29980 -2073.0 Maule NRT01 OBS01, N0701 37.05000 -11.45000 -5100.0 Gulf of Cadiz OB02 OBS 02 -33.71470 -72.44950 -1608.0 Maule NRT02 OBS02, N0702 37.02600 -10.73400 -2270.0 Gulf of Cadiz OB03 OBS 03 -34.02570 -72.60150 -2112.0 Maule NRT03 OBS03, N0703 37.10000 -10.23000 -3932.0 Gulf of Cadiz NRT04 OBS04 36.95180 -9.70180 -1993.0 Gulf of Cadiz OB04 OBS 04 -34.33170 -72.74830 -2252.0 Maule OB05 OBS 05 -34.07330 -72.99950 -4557.0 Maule NRT05 OBS05, N0705 36.73000 -10.55000 -3095.0 Gulf of Cadiz NRT06 OBS06 36.70850 -9.96900 -2956.0 Gulf of Cadiz OB06 OBS 06 -33.81450 -73.18850 -5403.0 Maule OB07 OBS 07 -33.86430 -73.64800 -4135.0 Maule NRT08 OBS08 36.39760 -10.92120 -4671.0 Gulf of Cadiz OB08 OBS 08 -34.17270 -73.79780 -4028.0 Maule OB09 OBS 09 -34.12550 -73.39980 -4760.0 Maule NRT09 OBS09, N0709 36.37000 -10.26000 -4811.0 Gulf of Cadiz NRT10 OBS10 36.24990 -8.60140 -2067.0 Gulf of Cadiz OB10 OBS 10 -34.38220 -73.14820 -3723.0 Maule NRT11 OBS11 36.06550 -11.27280 -4855.0 Gulf of Cadiz OB11 OBS 11 -34.64120 -72.89830 -2584.0 Maule NRT12 OBS12 36.08050 -10.58990 -4860.0 Gulf of Cadiz OB12 OBS 12 -34.69050 -73.30000 -3510.0 Maule OB13 OBS 13 -34.43250 -73.54830 -4960.0 Maule CR139 OBS 139 9.21700 -84.55850 -379.0 Closed Pacific Ocean, West of Costa Rica NRT13 OBS13, N0713 36.02000 -10.02000 -4494.0 Gulf of Cadiz NRT14 OBS14 36.00070 -9.40030 -2439.0 Gulf of Cadiz OB14 OBS 14 -34.48230 -73.94630 -3822.0 Maule CR140 OBS 140 9.16700 -84.63320 -939.0 Closed Pacific Ocean, West of Costa Rica CR141 OBS 141 9.21630 -84.68320 -351.0 Closed Pacific Ocean, West of Costa Rica CR14S OBS 14S 9.33320 -84.88330 -1741.0 Closed Pacific Ocean, West of Costa Rica NRT15 OBS15 35.99850 -8.79970 -3357.0 Gulf of Cadiz OB15 OBS 15 -34.73980 -73.69900 -5239.0 Maule CR15 OBS 15 9.24430 -84.60080 -114.0 Pacific Ocean, West of Costa Rica NRT16 OBS16 35.94960 -8.25050 -2069.0 Gulf of Cadiz CR16 OBS 16 9.16630 -84.63370 -944.0 Closed Pacific Ocean, West of Costa Rica OB16 OBS 16 -34.93300 -73.44970 -3699.0 Maule OB17 OBS 17 -34.95030 -73.04930 -2032.0 Maule NRT17 OBS17, N0717 35.77800 -10.93900 -4765.0 Gulf of Cadiz NRT18 OBS18 35.71130 -10.33900 -4605.0 Gulf of Cadiz OB18 OBS 18 -35.25820 -73.20250 -2080.0 Maule CR18 OBS 18 9.15670 -84.82650 -827.0 Closed Pacific Ocean, West of Costa Rica NRT19 OBS19 35.63250 -9.75050 -4287.0 Gulf of Cadiz OB19 OBS 19 -35.56730 -73.35700 -1538.0 Maule CR193 OBS 193 9.33320 -85.10100 -1880.0 Closed Pacific Ocean, West of Costa Rica CR194 OBS 194 9.46700 -84.87500 -560.0 Closed Pacific Ocean, West of Costa Rica CR195 OBS 195 9.46670 -84.75000 -324.0 Closed Pacific Ocean, West of Costa Rica CR196 OBS 196 9.35780 -84.75100 -413.0 Closed Pacific Ocean, West of Costa Rica C197S OBS 197S 9.33330 -84.88300 -1745.0 Closed Pacific Ocean, West of Costa Rica CR198 OBS 198 9.24970 -84.73330 -291.0 Closed Pacific Ocean, West of Costa Rica CR199 OBS 199 9.19900 -84.78280 -734.0 Closed Pacific Ocean, West of Costa Rica CR19S OBS 19S 8.98290 -84.83300 -2206.0 Closed Pacific Ocean, West of Costa Rica NRT20 OBS20 35.59810 -9.09950 -3449.0 Gulf of Cadiz CR20 OBS 20 8.83350 -84.83330 -3473.0 Pacific Ocean, West of Costa Rica OB20 OBS 20 -35.82450 -73.11080 -538.0 Maule CR200 OBS 200 9.15700 -84.82670 -824.0 Pacific Ocean, West of Costa Rica C201S OBS 201S 9.16550 -84.93430 -2080.0 Closed Pacific Ocean, West of Costa Rica CR202 OBS 202 9.03200 -84.93400 -2237.0 Closed Pacific Ocean, West of Costa Rica CR203 OBS 203 8.96620 -85.08330 -3561.0 Closed Pacific Ocean, West of Costa Rica CR204 OBS 204 8.83330 -84.83330 -3474.0 Closed Pacific Ocean, West of Costa Rica CR205 OBS 205 9.00000 -84.83330 -2210.0 Closed Pacific Ocean, West of Costa Rica C206S OBS 206S 9.03330 -84.71680 -1726.0 Closed Pacific Ocean, West of Costa Rica CR207 OBS 207 9.11530 -84.71550 -1159.0 Closed Pacific Ocean, West of Costa Rica CR208 OBS 208 9.08830 -84.56980 -1155.0 Closed Pacific Ocean, West of Costa Rica CR209 OBS 209 9.03730 -84.65230 -1615.0 Closed Pacific Ocean, West of Costa Rica NRT21 OBS21 35.64560 -8.60050 -2566.0 Gulf of Cadiz OB21 OBS 21 -35.46270 -72.93030 -438.0 Maule CR21 OBS 21 8.96720 -85.08420 -3602.0 Closed Pacific Ocean, West of Costa Rica CR210 OBS 210 8.99300 -84.63180 -1202.0 Closed Pacific Ocean, West of Costa Rica CR211 OBS 211 9.01670 -84.57430 -1411.0 Closed Pacific Ocean, West of Costa Rica CR212 OBS 212 9.03830 -84.60220 -1326.0 Closed Pacific Ocean, West of Costa Rica OB22 OBS 22 -35.20770 -72.80250 -670.0 Maule NRT22 OBS22, N0722 35.35000 -10.40000 -4095.0 Gulf of Cadiz OB23 OBS 23 -35.00200 -72.88750 -1406.0 Maule NRT23 OBS23, N0723 35.11700 -9.28500 -3747.0 Gulf of Cadiz NRT24 OBS24 36.53150 -9.28190 -2439.0 Gulf of Cadiz OB24 OBS 24 -34.89870 -72.58350 -976.0 Maule NRT25 OBS25 36.35970 -9.57140 -3234.0 Gulf of Cadiz OB25 OBS 25 -34.67130 -72.73720 -879.0 Maule OB26 OBS 26 -34.59130 -72.49870 -1212.0 Maule OB27 OBS 27 -34.38370 -72.59930 -1864.0 Maule OB28 OBS 28 -34.28280 -72.34950 -743.0 Maule OB29 OBS 29 -33.97250 -72.19970 -689.0 Maule OB30 OBS 30 -33.66450 -72.04930 -335.0 Maule CR301 OBS 301 9.25930 -84.50050 -311.0 Closed Pacific Ocean, West of Costa Rica CR302 OBS 302 9.26180 -84.35800 -326.0 Closed Pacific Ocean, West of Costa Rica CR303 OBS 303 9.13930 -84.38580 -656.0 Closed Pacific Ocean, West of Costa Rica CR304 OBS 304 9.03020 -84.41350 -1156.0 Closed Pacific Ocean, West of Costa Rica C305S OBS 305S 9.08350 -84.50670 -1038.0 Closed Pacific Ocean, West of Costa Rica CR306 OBS 306 9.11770 -84.71650 -1157.0 Closed Pacific Ocean, West of Costa Rica C307S OBS 307S 8.83380 -84.83270 -3488.0 Closed Pacific Ocean, West of Costa Rica CR308 OBS 308 8.65330 -84.54630 -2167.0 Closed Pacific Ocean, West of Costa Rica C309S OBS 309S 8.58000 -84.37980 -2840.0 Closed Pacific Ocean, West of Costa Rica CR310 OBS 310 8.76350 -84.38600 -1849.0 Closed Pacific Ocean, West of Costa Rica CR311 OBS 311 8.77100 -84.51000 -2550.0 Closed Pacific Ocean, West of Costa Rica CR312 OBS 312 8.88020 -84.58020 -2613.0 Closed Pacific Ocean, West of Costa Rica CR313 OBS 313 8.88420 -84.47150 -1993.0 Closed Pacific Ocean, West of Costa Rica CR314 OBS 314 8.96100 -84.46400 -1617.0 Closed Pacific Ocean, West of Costa Rica CR315 OBS 315 8.87580 -84.34330 -1312.0 Closed Pacific Ocean, West of Costa Rica C316S OBS 316S 8.96470 -84.31730 -909.0 Closed Pacific Ocean, West of Costa Rica CR317 OBS 317 9.06000 -84.28000 -519.0 Closed Pacific Ocean, West of Costa Rica CR318 OBS 318 9.17550 -84.25450 -354.0 Closed Pacific Ocean, West of Costa Rica CR319 OBS 319 9.05270 -84.19570 -283.0 Closed Pacific Ocean, West of Costa Rica CR320 OBS 320 9.00130 -84.18150 -220.0 Closed Pacific Ocean, West of Costa Rica CR321 OBS 321 8.89480 -84.20330 -284.0 Closed Pacific Ocean, West of Costa Rica CR322 OBS 322 8.79020 -84.26000 -796.0 Closed Pacific Ocean, West of Costa Rica CR323 OBS 323 8.79530 -84.16480 -206.0 Closed Pacific Ocean, West of Costa Rica CR38 OBS 38 9.23950 -84.94370 -1752.0 Closed Pacific Ocean, West of Costa Rica CR39 OBS 39 9.08800 -85.04270 -2496.0 Pacific Ocean, West of Costa Rica CR40 OBS 40 8.88880 -84.97380 -3420.0 Closed Pacific Ocean, West of Costa Rica CR41 OBS 41 8.93400 -84.72380 -2615.0 Closed Pacific Ocean, West of Costa Rica CR42 OBS 42 9.08450 -84.65020 -1481.0 Closed Pacific Ocean, West of Costa Rica OBSR Observation Rock 46.89972 -121.81533 2382.0 Washington,U.S.A. OBP Observatoire de Paris 48.83642 2.33634 France OBSA Observatorio Astron貿(mào)mico de Quito, Ejido, Itchimbia, Quito, Ecuador -0.21480 -78.50280 2824.0 0.5 Open Ecuador OBSV Observatory -26.18350 28.07416 780.0 0.0 Open South Africa POB1 Observatory 55.84580 -4.42990 34.0 Open Scotland,United Kingdom OBL Observatory Ledge 19.41750 -155.28400 1107.0 Hawaii,U.S.A. OBB Obsidian Butte 33.16730 -115.63700 -59.0 Open California,U.S.A. LD03 OBS LD03 -19.95100 -177.32600 -2844.0 Tonga LD05 OBS LD05 -16.58400 -177.04700 -2770.0 Fiji LD09 OBS LD09 -17.41100 -173.71900 -1325.0 Niue LD10 OBS LD10 -18.30900 -177.95900 -2584.0 Fiji LD12 OBS LD12 -18.38000 -177.30100 -2647.0 Fiji LD14 OBS LD14 -18.43200 -176.73200 -2444.0 Fiji LD17 OBS LD17 -18.52400 -176.10500 -2522.0 Tonga LD19 OBS LD19 -18.60000 -175.40800 -2439.0 Tonga LD21 OBS LD21 -18.67100 -174.68000 -1473.0 Tonga LD23 OBS LD23 -18.73700 -173.65000 -2414.0 Tonga LD25 OBS LD25 -18.77500 -172.92700 -5181.0 Tonga LD27 OBS LD27 -18.87200 -171.92700 -4745.0 Tonga LW01 OBS LW01 -22.07700 -179.56300 -1988.0 Tonga LW06 OBS LW06 -16.07900 -174.00100 -1254.0 Samoa Islands LW07 OBS LW07 -15.34900 -178.50000 -1804.0 Fiji LW11 OBS LW11 -18.34400 -177.67300 -2457.0 Fiji LW13 OBS LW13 -18.42800 -176.91900 -2431.0 Fiji LW15 OBS LW15 -18.47100 -176.50000 -2570.0 Tonga LW18 OBS LW18 -18.54900 -175.77900 -2064.0 Tonga LW20 OBS LW20 -18.62900 -175.02100 -2108.0 Tonga LW22 OBS LW22 -18.70000 -174.37100 -1266.0 Tonga LW24 OBS LW24 -18.74100 -173.36100 -4957.0 Tonga LW26 OBS LW26 -18.79700 -172.37400 -5068.0 Niue LW28 OBS LW28 -18.91600 -171.43300 -5382.0 Niue LW30 OBS LW30 -19.00500 -170.40100 -4912.0 Niue NB03 OBS NB03 9.69940 -86.15930 -3762.0 Closed Pacific Ocean, West of Costa Rica NB04 OBS NB04 9.70010 -86.29840 -4135.0 Closed Pacific Ocean, West of Costa Rica NB05 OBS NB05 9.87540 -86.19980 -3103.0 Closed Pacific Ocean, West of Costa Rica NB06 OBS NB06 9.78370 -86.02500 -2375.0 Closed Pacific Ocean, West of Costa Rica NB07 OBS NB07 9.68360 -85.94230 -2299.0 Closed Pacific Ocean, West of Costa Rica NB08 OBS NB08 9.71990 -85.76150 -1276.0 Closed Pacific Ocean, West of Costa Rica NB09 OBS NB09 9.84030 -85.90000 -1465.0 Closed Pacific Ocean, West of Costa Rica NB10 OBS NB10 9.95000 -85.99960 -1305.0 Closed Pacific Ocean, West of Costa Rica NB11 OBS NB11 10.05030 -85.90040 -420.0 Closed Pacific Ocean, West of Costa Rica NB12 OBS NB12 9.92030 -85.80010 -229.0 Closed Pacific Ocean, West of Costa Rica NB13 OBS NB13 9.83000 -85.68010 -102.0 Closed Pacific Ocean, West of Costa Rica NB14 OBS NB14 9.75010 -85.54990 -108.0 Closed Pacific Ocean, West of Costa Rica O095 OBS O095 11.14000 -86.80900 -188.0 Closed Pacific Ocean, West of Nicaragua O096 OBS O096 10.92900 -86.67900 -405.0 Closed Pacific Ocean, West of Nicaragua O097 OBS O097 10.82900 -86.90000 -2344.0 Closed Pacific Ocean, West of Nicaragua O098 OBS O098 10.70900 -86.68500 -1309.0 Closed Pacific Ocean, West of Costa Rica O099 OBS O099 10.76000 -86.48300 -209.0 Closed Pacific Ocean, West of Costa Rica O100 OBS O100 10.78900 -86.18100 -193.0 Closed Pacific Ocean, West of Costa Rica O101 OBS O101 10.57000 -86.26000 -255.0 Closed Pacific Ocean, West of Costa Rica O102 OBS O102 10.57000 -86.47000 -924.0 Closed Pacific Ocean, West of Costa Rica O104 OBS O104 10.49900 -86.90100 -4919.0 Closed Pacific Ocean, West of Costa Rica O106 OBS O106 10.20900 -86.48100 -3435.0 Closed Pacific Ocean, West of Costa Rica O107 OBS O107 10.38900 -86.48100 -2175.0 Closed Pacific Ocean, West of Costa Rica O108 OBS O108 10.38900 -86.26000 -904.0 Closed Pacific Ocean, West of Costa Rica O109 OBS O109 10.21000 -86.25900 -1668.0 Closed Pacific Ocean, West of Costa Rica O110 OBS O110 10.27600 -86.07900 -212.0 Closed Pacific Ocean, West of Costa Rica O111 OBS O111 10.12000 -85.93000 -248.0 Closed Pacific Ocean, West of Costa Rica O113 OBS O113 9.82100 -85.95000 -1762.0 Closed Pacific Ocean, West of Costa Rica O114 OBS O114 9.94000 -85.82000 -316.0 Closed Pacific Ocean, West of Costa Rica VOS01 OBS, OS01 -15.54160 166.53330 -2332.0 Vanuatu VOS02 OBS, OS02 -15.70040 166.58350 -3082.0 Vanuatu VOS03 OBS, OS03 -15.82390 166.43280 -3656.0 Vanuatu VOS04 OBS, OS04 -15.85050 166.67490 -2439.0 Vanuatu VOS05 OBS, OS05 -15.80880 166.90920 -1232.0 Vanuatu VOS06 OBS, OS06 -16.00040 166.79980 -1792.0 Vanuatu VOS07 OBS, OS07 -15.98330 166.98350 -1272.0 Vanuatu VOS08 OBS, OS08 -15.80870 167.04970 -759.0 Vanuatu VOS09 OBS, OS09 -16.17490 166.83380 -4195.0 Vanuatu VOS10 OBS, OS10 -16.18380 167.03330 -3454.0 Vanuatu CSS01 OBS SS01 8.51830 -84.29300 -2580.0 Closed Pacific Ocean, West of Costa Rica CSS02 OBS SS02 8.41690 -84.26650 -2120.0 Closed Pacific Ocean, West of Costa Rica CSS03 OBS SS03 8.40850 -84.08670 -2263.0 Closed Pacific Ocean, West of Costa Rica CSS10 OBS SS10 8.52140 -84.13150 -1587.0 Closed Pacific Ocean, West of Costa Rica CSS12 OBS SS12 8.60500 -84.21650 -1692.0 Closed Pacific Ocean, West of Costa Rica CSS14 OBS SS14 8.64500 -84.05340 -203.0 Closed Pacific Ocean, West of Costa Rica CSS15 OBS SS15 8.51010 -83.99170 -780.0 Closed Pacific Ocean, West of Costa Rica CSS16 OBS SS16 8.61000 -83.92470 -74.0 Closed Pacific Ocean, West of Costa Rica CSS17 OBS SS17 8.75710 -84.00840 -98.0 Closed Pacific Ocean, West of Costa Rica CSS18 OBS SS18 8.83330 -84.15320 -109.0 Closed Pacific Ocean, West of Costa Rica CSS20 OBS SS20 8.81320 -83.89320 -67.0 Closed Pacific Ocean, West of Costa Rica CSS21 OBS SS21 8.97660 -83.89280 -85.0 Closed Pacific Ocean, West of Costa Rica MOYM O'Byrne Ferry 37.90000 -120.56700 176.0 Open California,U.S.A. OCAC Ocana 8.23883 -73.31933 1264.0 Colombia OCBR Ocara -4.58130 -38.29210 140.0 Open Ceara,Brazil CAS01 Occhiobello (RO) 44.92930 11.57710 5.0 0.0 Open Italy OBS Ocean Bottom Seismometer 38.09200 -124.54400 -3840.0 Closed California,U.S.A. OFB Ocean Falls 52.35400 -127.68433 75.0 British Columbia,Canada OSNP1 Ocean Seismic Network, Sensor 1 19.34240 -159.09380 -4150.0 250.0 Hawaii OSNP2 Ocean Seismic Network, Sensor 2, OSN1B 19.34240 -159.09380 -4150.0 Hawaii OSNP3 Ocean Seismic Network, Sensor 3, OSN1S 19.34240 -159.09380 -4150.0 Hawaii VEW Oceanview 32.71767 -79.94150 -60.0 South Carolina,U.S.A. OVEH Oceanview Est 19.15350 -155.76531 1378.0 Hawaii,U.S.A. OCM Ochomogo 9.89483 -83.96080 1660.0 Costa Rica 061Z Ochoppi 25.86569 -80.90700 9.0 Open Florida,U.S.A. OCHT Ochtendung 50.33870 7.35750 140.0 Germany GWBO Ockenheim 49.93600 7.98760 286.0 Open Rheinland-Pfalz HORM O'Connell Ranch 36.91720 -121.50800 98.0 OCR Open California,U.S.A. OCR O'Connell Ranch 36.91720 -121.50800 98.0 Open California,U.S.A. OCG Ocos 14.56550 -92.12170 8.0 Closed Guatemala OC2 Ocos 2 14.56050 -92.18619 5.0 Open Guatemala OZC Ocozocoautla 16.78500 -93.37300 864.0 Chiapas,Mexico AKR Ocre 42.30450 13.44110 740.0 1.0 Open Italy OCWA Octopus Mountain 47.74892 -124.17808 671.0 Closed Washington,U.S.A. OOW Octopus West 47.73670 -124.18900 743.0 Washington,U.S.A. OCU3 Ocu, Herrera 7.94500 -80.77600 150.0 Open Panama OCUV OCUMARITO 10.11640 -66.80000 248.0 Open Venezuela JJO Oda 35.16833 132.50333 60.0 Shimane,Japan ODAN Odare 26.86000 87.39000 2045.0 Open Nepal JOD Odawara 35.26483 139.09083 360.0 Kanagawa,Japan JOD2 Odawara 2 35.26317 139.08817 380.0 Kanagawa,Japan ODD Odda 59.95000 6.66700 630.0 Closed Norway ODD1 Odda 59.91200 6.62800 684.0 Open Norway ODEM Odemis-Izmir 38.27620 28.07470 797.0 Open Turkey NE56 Odesa 46.67600 30.89900 30.0 Ukraine ODSA Odessa 32.12009 -102.54913 943.0 Open Texas,U.S.A. ODS Odessa 47.30670 -118.74500 524.0 Open Washington,U.S.A. OD2 Odessa Site #2 47.39100 -118.71100 590.0 Open Washington,U.S.A. OTPR Odiongan 12.36200 122.02100 120.0 Luzon,Philippines OTRP Odiongan 12.36200 122.02100 120.0 Panay,Philippines OKL Od Khalfella 32.20300 -9.13900 122.0 Morocco ODB Odobesti 45.77470 27.05610 140.0 Closed Romania ODBI Odobesti 45.76330 27.05580 181.0 Open Romania ODSR Odorheiu Secuiesc 46.29690 25.29190 575.0 Open Romania NC27 ODP1027 47.76267 -127.75789 -2654.0 2.0 Open British Columbia,Canada NC89 ODP889 48.67054 -126.84877 -1256.0 2.0 Open British Columbia,Canada K39A Oelwein 42.70500 -91.88780 332.0 Closed Iowa,U.S.A. DHOFF Oeste 158, Volc謾n 8.78200 -82.63900 1418.0 Panama OSTU Oestervaala 60.22980 17.13420 100.0 Open Sweden OYDB Oeyeondo 36.22940 126.07570 95.0 20.0 Open Republic of Korea FUORN Ofenpass-Fuorn 46.62022 10.26352 2333.0 Open Switzerland OFBG Offenburg 48.44530 7.97700 240.0 3.0 Closed Baden-Wurttemberg,Germany OFFE Offenburg-Weierbach 48.47406 7.97746 190.0 1.0 Open Baden-Wurttemberg ONF Office Forets 43.09500 -0.71600 Open Aquitaine,France OFFI Offida 42.93500 13.68570 320.0 Open Italy LUNE Offshore Crotone 39.11486 17.18172 -70.0 Open Italy LUNB Offshore Crotone 39.08558 17.20019 -100.0 Open Italy AGOE Offshore Ravenna 44.54088 12.49512 -23.0 0.0 Open Italy PCWT Offshore Ravenna 44.51311 12.35892 -13.0 0.0 Open Italy ANTE Offshore Ravenna 44.39084 12.45314 -15.0 0.0 Open Italy PCWC Offshore Ravenna 44.50968 12.37243 -14.0 0.0 Open Italy ARMI Offshore Ravenna 44.48065 12.45284 -19.0 0.0 Open Italy OFA Oficina Alemania -25.15250 -69.95000 1000.0 Open Antofagasta,Chile OPAM Oficina de Planificaci貿(mào)n del Area Metropolitana de San Salvador 13.71198 -89.19775 650.0 El Salvador OFT Oftobruy 40.16830 70.65000 1440.0 5.0 Open Tajikistan OFU Ofunato 39.06170 141.71800 37.0 Iwate,Japan OFUJ Ofunato 39.08019 141.66900 180.0 Open Iwate,Japan JOG Oga 39.90433 139.77700 270.0 Akita,Japan OGH Oga 39.90500 139.77694 354.0 Akita,Japan JOG2 Oga 2 39.91667 139.78933 140.0 Closed Akita,Japan JOG3 Oga3 39.91970 139.08070 92.0 Open Akita,Japan OGNE Ogallala 40.94511 -102.03297 1054.0 Open Nebraska,U.S.A. OGS Ogasawara 27.05680 142.20300 20.0 Open Bonin Islands,Japan OGU Ogden Bay 41.27500 -111.94400 1506.0 Closed Utah,U.S.A. OGMT Ogden Mountain 46.88640 -112.88780 1620.0 0.5 Open Montana ODNJ Ogdensburg 41.08289 -74.60558 187.0 Open New Jersey,U.S.A. OGD Ogdensburg 41.08750 -74.59580 -367.0 Closed New Jersey,U.S.A. OGE Ogeu 43.16850 -0.47331 440.0 Closed Aquitaine,France I29M Ogilvie Camp, Yukon 65.36090 -138.30630 602.0 Open Yukon Territory,Canada R13A O'Grain Ranch, Modena 38.18020 -113.96910 1969.0 Closed Utah,U.S.A. RO20A Ohabita 45.38790 22.09710 367.0 Open Romania OHWZ Ohakea -40.20560 175.31510 59.0 Open North Island,New Zealand ORCS Ohakune Ruapehu College -39.41744 175.41260 606.0 Open North Island,New Zealand JOM Ohasama 39.47300 141.29233 210.0 Iwate,Japan JOT Ohata 41.38200 141.04817 80.0 Aomori,Japan OHD Ohdaira 42.52622 140.84247 250.0 Iburi,Japan A261A Ohid 46.95200 17.14860 171.0 Open Hungary OHC O'Higgins -63.31670 -57.90000 20.0 Antarctic Peninsula OPRZ Ohinepanea -37.84430 176.55495 134.0 Open North Island,New Zealand OGSO Ohio Geological Survey, Columbus 40.05681 -82.96539 268.0 Ohio,U.S.A. SHOE Ohio Stadium, The Ohio State University, Columbus, OH 40.00290 -83.01980 251.0 Open Ohio OSUO Ohio State University 39.99811 -83.01089 226.0 Ohio,U.S.A. OSLO Ohio State University--Lima 40.73900 -84.02500 284.0 Ohio,U.S.A. OSMO Ohio State University--Mansfield 40.79700 -82.57900 420.0 Ohio,U.S.A. OUAO Ohio University 39.32200 -82.09700 217.0 Ohio,U.S.A. OHJ Ohira 36.36000 139.69239 250.0 Tochigi,Japan OHLN Ohlone 38.00639 -122.27300 -196.8 California,U.S.A. OMJ Ohmine 36.66770 138.18200 506.0 Nagano,Japan EUAT Ohonua, Eua -21.34750 -174.95420 60.0 Tonga OHR Ohrid 41.11140 20.79890 739.0 Open North Macedonia,North Macedonia M54A Oil Creek State Park, Oil City 41.50790 -79.66470 488.0 Open Pennsylvania,U.S.A. PAOC Oil Creek State Park, Oil Creek 41.51596 -79.68109 337.0 Open Pennsylvania,U.S.A. OILH Oil house 40.86360 28.99210 14.0 0.0 Open Turkey OPT Oil Point 59.65260 -153.23210 602.0 Open Alaska,U.S.A. P19K Oil Pt 59.65240 -153.23190 629.0 Open Alaska,U.S.A. OIZ Oio -39.04493 175.39270 470.0 Closed North Island,New Zealand OISEL Oiseley-et-Grachaux 47.43730 5.91720 423.0 0.6 Closed France OIS Oishiyama 34.10530 135.32700 678.0 Closed Wakayama,Japan OIA Oishiyama (A) 34.10310 135.32000 756.0 Open Wakayama,Japan OIB Oishiyama (B) 34.09980 135.32100 776.0 Open Wakayama,Japan OIC Oishiyama (C) 34.09890 135.31700 776.0 Open Wakayama,Japan OIT Oita 33.23330 131.62300 5.0 Oita,Japan OIT2 Oita 2 33.27819 131.45181 460.0 Open Oita,Japan OIW Oiwake 36.34000 138.55200 1001.0 Nagano,Japan E033 Ojanco, Jaen 38.36160 -2.90740 687.0 Closed Spain OJC Ojcow 50.21950 19.79840 391.0 Open Poland OJEN Ojen 36.09931 -5.54075 816.0 Spain OCHAL Ojochal 9.09760 -83.64560 137.0 Open Costa Rica OJOS Ojo de Agua 13.86333 -89.23667 645.0 Open El Salvador OJONX Ojos Negros 31.85730 -116.09900 893.0 Open Baja California OKB Okabe 34.95000 138.25381 -30.0 Shizuoka,Japan HAON Okahao -17.88690 15.05990 1099.0 Namibia OKCZ Okains Bay -43.72330 173.05950 492.0 0.0 Open South Island,New Zealand OKAM Okamatapati -20.40730 18.21870 1200.0 Namibia KV09 Okamoto-Ura 32.01833 130.78778 280.0 Miyazaki,Japan ORC1 Okavango Research Center -19.90000 23.52000 955.0 1.0 Closed Botswana OKA Okayama 34.68170 133.91500 5.0 Okayama,Japan OKA1 Okayama 34.65830 133.91800 17.0 Okayama,Japan OKA2 Okayama 2 34.64170 133.95200 77.0 Okayama,Japan 959A Okeechobee 27.52400 -80.87910 23.0 Open Florida,U.S.A. OKEB Okgye-meyeon 37.62090 128.98030 302.0 Open Republic of Korea OKH Okha 53.55000 142.93300 24.0 Sakhalinskaya Oblast',Russia OHTR Okhotsk 59.35861 143.33083 40.0 Closed Khabarovskiy Kray,Russia OKHR Okhotsk 59.36100 143.24800 8.0 Open Khabarovskiy Kray,Russia OKHT Okhotsk 59.35700 143.24000 2.0 Open Khabarovskiy Kray,Russia JOI OKI 36.29080 133.24820 106.0 Open Shimane,Japan OKP Okiep -29.64670 17.96500 936.0 South Africa,South Africa OKI Okijuku 36.05000 140.25000 Ibaraki,Japan JOKE Okinoerabujima 27.36120 128.57080 235.0 Open Ryukyu Islands,Japan OCO Oklahoma City 35.52400 -97.47400 351.0 Open Oklahoma,U.S.A. OKCFA Oklahoma City 35.41531 -97.45139 380.0 1.0 Open Oklahoma,U.S.A. OKCSW OKLAHOMA CITY ARRAY SWEETHEART OKLAHOMA USA 35.40550 -97.43800 380.0 1.0 Open Oklahoma,U.S.A. OK004 Okla Sci Mus 35.52325 -97.47475 352.0 Oklahoma,U.S.A. OKAK Okmok 53.57900 -168.35775 165.0 Alaska,U.S.A. OKCD Okmok Cone D 53.43031 -168.11231 459.0 Alaska,U.S.A. OKCE Okmok Cone E 53.42700 -168.16431 515.0 Alaska,U.S.A. OKCF Okmok Cone F 53.39581 -168.13625 685.0 Alaska,U.S.A. OKER Okmok East Rim 53.45369 -168.05119 956.0 Alaska,U.S.A. OKID Okmok Mt. Idak 53.47742 -167.81619 437.0 Alaska,U.S.A. OKTU Okmok Mt. Tulik 53.38392 -168.04111 646.0 Alaska,U.S.A. OKNC Okmok New Cone D 53.45681 -168.12381 404.0 Alaska,U.S.A. OKRE Okmok R'deer Pt 53.52025 -168.16411 422.0 Alaska,U.S.A. OKSO Okmok South 53.35744 -168.15986 460.0 Alaska,U.S.A. OKSP Okmok Steeple Pt 53.25261 -168.29053 608.0 Alaska,U.S.A. OKWR Okmok West Rim 53.43472 -168.20556 1017.0 Alaska,U.S.A. OKWE Okmok W'ng Wall 53.47214 -168.23981 445.0 Alaska,U.S.A. Y40A Okolona 34.01240 -93.27980 117.0 Closed Arkansas,U.S.A. J29A Okreek 43.40610 -100.32530 644.0 Closed South Dakota,U.S.A. OCTB Oktyabr'skiy 53.01750 128.64340 370.0 Open Amurskaya Oblast',Russia JZO Okuchi 32.14000 130.59850 440.0 Kagoshima,Japan OKN Okuno 34.93194 139.07064 140.0 Shizuoka,Japan JOU Okura 38.36550 140.66400 390.0 Yamagata,Japan OKS Okushiri 42.06500 139.44333 35.0 Open Hiyama,Japan JOSM Okushiri--Matsue 42.08267 139.47517 79.0 Hiyama,Japan JOR Okushj 42.06667 139.44500 33.0 Closed Hiyama,Japan OKY Okuyama 35.22733 138.42119 620.0 Open Yamanashi,Japan OLAR Ola 59.60780 150.99930 350.0 Closed Magadanskaya Oblast',Russia R33A Olander Ranch, Little River 38.30810 -97.98420 497.0 Closed Kansas,U.S.A. OLAS OLAS 26.24800 37.62900 952.0 Saudi Arabia NCR25 Olathe, N25 38.64320 -108.00900 1612.0 Colorado OLB Olbia 40.92670 9.49556 5.0 Sardinia,Italy OLDB Oldbury-Upon-Severn 51.66090 -2.55150 6.0 Open England,United Kingdom F28M Old Crow 67.61360 -139.87170 564.0 Open Yukon Territories,Canada YPOF Old Faithful 44.45250 -110.84131 2260.0 Closed Wyoming,U.S.A. YFT Old Faithful 44.45131 -110.83581 2292.0 Wyoming,U.S.A. I58A Old Forge 43.69010 -74.97330 599.0 Open New York,U.S.A. OGTN Old Graveyard 36.42000 -89.48600 91.0 Closed Tennessee,U.S.A. OHAK Old Harbor 57.22250 -153.28750 77.5 Open Kodiak Island,U.S.A. M46A Old House Field, Plymouth 41.40790 -86.35240 242.0 Open Indiana,U.S.A. OMM Old Mammoth Mine 37.61230 -119.00040 2750.0 Closed California,U.S.A. OMMB Old Mammoth Mine - surface 37.61311 -119.00050 2768.0 California,U.S.A. OMDBO OLD MILL DISTRICT, BEND, OREGON 44.04410 -121.30930 1118.0 0.0 Open Oregon,U.S.A. OLDO Ol Doinyo Lengai -2.70870 35.90550 1138.0 1.0 Open Tanzania MW36 Oldoinyo Lengai SS -3.01580 35.99810 847.0 Closed Tanzania OLDS OLDS 56.61900 16.49900 5.0 Sweden IOLF Oldufell 63.75170 -18.84080 472.0 Open Iceland PR62 Oldupai Boma -2.98340 35.37360 1454.0 Closed Tanzania OWUT Old Woman Plateau 38.78000 -111.42400 2568.0 Open Utah,U.S.A. OLFT Oleftalsperre 50.49390 6.42020 470.0 0.0 Open Nordrhein-Westfalen,Germany OLMR Olekminsk 60.37560 120.46290 45.0 Open Sakha,Russia NOLM Olema 38.03970 -122.79300 30.0 Open California,U.S.A. OLC Olema 38.03970 -122.79300 30.0 NOLM Closed California,U.S.A. MW41 Ole Sokoine -3.23050 36.44480 2001.0 Closed Tanzania OLG Olintepeque 14.89767 -91.50767 2855.0 Closed Guatemala L42A Oliver, Polo 42.00400 -89.66700 257.0 Closed Illinois,U.S.A. OLK Olkaria -0.88800 36.32400 1751.0 Closed Kenya OLWK Olkaria West -0.83800 36.26400 1780.0 Closed Kenya OLL Ollague -21.17500 -68.37170 4000.0 Closed Tarapaca,Chile AOLM OLMEDO, CENTRO DE SALUD -1.39570 -80.20440 59.0 0.5 Open Ecuador UOLM Olmeto 42.98880 12.33980 300.0 1.0 Open Italy I59A Olmsteadville 43.79570 -73.87440 390.0 Open New York,U.S.A. OLCH Olmue -32.99389 -71.17278 173.0 Valparaiso,Chile OLIL Olney 38.73381 -88.09911 150.0 Illinois,U.S.A. OLF Olofstrom 56.30800 14.47000 118.0 Closed Sweden VSALE Olo Olo -15.64600 166.82990 142.0 Vanuatu OLT Olot 42.14430 2.47433 700.0 Closed Spain OLOS Olot 42.18140 2.48930 436.0 0.0 Open Spain SOLS Olten Spital, SO 47.35540 7.90470 398.1 0.5 Open Switzerland EOLT Oltu 40.54520 41.97280 1275.0 Closed Turkey EXOR Olula del Rio 37.35300 -2.29700 520.0 Spain OCP Olym-Cheeka Pk 48.29786 -124.62519 487.0 Washington,U.S.A. OFR Olym-F Res Ctr 47.93314 -124.39603 152.0 Washington,U.S.A. OLW Olympia 47.07280 -122.92200 37.0 Open Washington,U.S.A. OPC Olympic Penn College CREST BB SMO 48.10010 -123.41290 90.0 Open Washington,U.S.A. OBC Olympics--Bonidu Creek 48.03530 -124.07800 938.0 Open Washington,U.S.A. OBH Olympics--Burnt Hill 47.32630 -123.86600 383.0 Washington,U.S.A. OFK Olympics--Forks 47.95000 -124.35800 134.0 Open Washington,U.S.A. OLQ Olympics--Lake Quinault 47.51614 -123.80875 121.0 Washington,U.S.A. ONR Olympics--North River 46.87710 -123.77100 257.0 Closed Washington,U.S.A. ON2 Olympics--North River 46.88078 -123.78106 257.0 Washington,U.S.A. OSR Olympics--Salmon Ridge 47.50560 -123.96200 815.0 Open Washington,U.S.A. OSD Olympics--Snow Dome 47.82080 -123.70200 2010.0 Washington,U.S.A. OSP Olympics--Sooes Peak 48.28490 -124.59000 585.0 Open Washington,U.S.A. OTR Olympics--Tyee Ridge 48.08330 -124.34400 712.0 Washington,U.S.A. OLY Olyphant 35.50300 -91.47000 236.0 Open Arkansas,U.S.A. OMA Omae zaki 34.60169 138.21669 -165.0 Shizuoka,Japan OUZ Omahuta -35.21970 173.59615 63.0 Open North Island,New Zealand OMW Omak 48.48030 -119.56100 421.0 Open Washington,U.S.A. OMRZ Omania -38.10621 176.37172 566.0 0.0 Open North Island,New Zealand OMNC Omanovac 45.41743 17.24839 654.0 0.0 Closed Croatia OCHR Omchak 61.66528 147.86667 820.0 Magadanskaya Oblast',Russia OMEGA Omega 80.78410 47.73220 24.0 Open Arkhangel'skaya Oblast' WLFM Omesuri Atau Wulandoni -8.53110 123.45000 76.1 2.0 Open Indonesia OME Ometepe 11.53767 -85.68367 181.0 Nicaragua OHM Omihachiman 35.17381 136.08350 120.0 Shiga,Japan OOM Omiya 35.21670 138.63300 Yamanashi,Japan MCPR OMME Coamo 18.07708 -66.36237 130.0 0.0 Open Caribbean Sea OMOL Omolon, Chukotka 65.23200 160.53600 260.0 Closed Magadanskaya Oblast',Russia EVMP OMP - Tarbes 43.22406 0.04931 306.0 Open Midi-Pyrenees OMS Omsukchan 62.51500 155.77500 527.0 Magadanskaya Oblast',Russia ONA Onahama 36.94500 140.90700 5.0 Fukushima,Japan E04A Onalaska 46.59340 -122.72040 215.2 Closed Washington,U.S.A. ONSM Onan Ganjang, Sumatera Utara 2.15990 98.63010 1158.0 Open Indonesia JOB Onbets 42.90333 143.83467 60.0 Kushiro,Japan ONCR Oncesti 46.46430 27.26720 234.0 Open Romania UGON Onchagaon 28.31000 77.91000 237.0 Open Uttar Pradesh,India ONTN Oneida 36.48150 -84.44330 635.0 Tennessee,U.S.A. K31A O'Neill 42.62290 -98.75460 580.0 Closed Nebraska,U.S.A. ONE Onerahi -35.77398 174.36269 30.0 Closed North Island,New Zealand ONS2 Onesti 46.24870 26.75990 216.0 Open Romania ONGER Ongerup, WA -33.86370 118.39560 340.0 1.0 Open Western Australia ONG Ongoro -15.89903 -72.47319 880.0 Peru OGRR Ongureny 53.64333 107.59500 495.0 Irkutskaya Oblast',Russia ONI Oni 42.59030 43.45250 836.0 2.0 Open Georgia,Georgia H29A Onida 44.62610 -100.21250 548.0 Closed South Dakota,U.S.A. ODSE Onioshidashi 36.42194 138.52194 1710.0 Gumma,Japan MI03 Onna 42.32740 13.47570 581.0 0.0 Closed Italia ONO Onokovtsy 48.66400 22.33300 168.0 Open Carpathian Mountains ONAU Onsala 57.39650 11.91770 16.0 Open Sweden ONSU Onsala 57.39660 11.92600 4.0 Closed Sweden ONTR Ontario (NY) 43.27380 -77.30670 84.0 New York,U.S.A. WORM Onyx Ranch 35.69564 -118.24247 795.0 California,U.S.A. OOD Oodnadatta -27.79440 135.68800 111.0 Open South Australia,Australia OHRN Oohira 35.48775 137.19458 330.0 Closed Gifu,Japan K09 Ooide 39.47417 141.51139 446.0 Iwate,Japan OKAH Ooka 19.49431 -154.92400 180.0 Hawaii,U.S.A. OLO Oologah 36.45730 -95.71080 196.0 Closed Oklahoma,U.S.A. U36A Oologah 36.39270 -95.73250 187.0 Closed Oklahoma,U.S.A. KV05 Oonami East 31.92167 130.85861 1300.0 Kagoshima,Japan KV03 Oonami West 31.92167 130.84250 1188.0 Kagoshima,Japan K10 Oonodaira 39.49583 141.51472 616.0 Iwate,Japan OOS Ooshika 35.57967 138.04875 805.0 Nagano,Japan OOT Ootomari 46.65000 142.76700 36.0 Sakhalinskaya Oblast',Russia OPL Opal Mound 38.48170 -112.87200 1766.0 Utah,U.S.A. OPA Opana 21.68719 -158.00969 138.0 Open Hawaii,U.S.A. OPWS Opawa School -43.55619 172.66429 18.0 Open South Island,New Zealand 151A Opelika 32.52690 -85.32670 211.0 Closed Alabama,U.S.A. OPI Opi 41.77630 13.83020 1170.0 Open Italy BOPT Opiter 51.11180 5.63500 51.0 Open Belgium OPLO Oploo 51.58881 5.81211 0.0 Netherlands SOEO Opoqueri -18.56310 -67.88680 3765.0 0.0 Open Bolivia OPCS Opotiki College -38.01414 177.28922 9.0 Open North Island,New Zealand OPPE Oppeano 45.30820 11.17240 20.0 Open Italy OPP Oppenau 48.49612 8.18559 424.0 3.0 Open Baden-Wurttemberg,Germany D155 Oppenburg 47.42580 14.28900 1149.0 Open Austria OPPI Oppido Mamertina 38.26750 16.01000 770.0 0.0 Open Italy OPSS Opunake Primary School -39.45002 173.85502 34.0 Open North Island,New Zealand OPU Opuwo -18.06670 13.84870 1214.0 Namibia 117A Oracle 32.57160 -110.73930 1544.0 Closed Arizona,U.S.A. ORD1 Oradea 47.05360 21.93220 129.0 Open Romania OREA Oraiokastro 40.72700 22.91450 260.0 Greece USTO Oran 35.73330 -0.55000 0.0 Algeria ORA Oran 55.92500 113.66900 705.0 Buryatiya,Russia ORNG Orange -33.30190 149.09370 850.0 Open New South Wales,Australia OSB Orangeburg 33.54720 -80.84440 91.0 Open South Carolina,U.S.A. OSC Orangeburg 33.53969 -80.82500 60.0 South Carolina,U.S.A. OHS Orange Hill 13.31700 -61.14800 274.0 St Vincent,Saint Vincent and the Grenadines 557A Orange Park 30.01600 -81.72910 24.0 Open Florida,U.S.A. ORSA Oratoire Sainte Anne ISOLA 44.20870 7.11000 1717.0 0.0 Open Provence-Cote d'Azur IRZU Oratorio 9.89750 -83.83850 1811.0 Open Costa Rica CMA07 Oratorio Salesiani, Corso Carlo Alberto, Ancona 43.60570 13.50370 5.0 0.0 Open Italy SROR Oratorio, Santa Rosa 14.23110 -90.19840 1180.0 Open Guatemala ORB Orbe 46.71670 6.51667 Closed Switzerland ORBT Orbita 59.72340 151.00820 148.0 Closed Magadanskaya Oblast',Russia ORCD Orcadas -60.73806 -44.73611 South Orkney Islands OMCO Orchard Mesa 39.02700 -108.51700 1460.0 Colorado,U.S.A. CORC Orchilla, El Hierro 27.70470 -18.14480 97.0 Open Canary Islands,Spain ORDF Ordiarp 43.21350 -0.93569 270.0 Open Aquitaine,France ORD Ordubad 38.92800 45.99400 945.0 Open Azerbaijan ORDU Ordu-Boztepe 40.99100 37.85710 526.0 Open Turkey AOHM Oregon House 39.37530 -121.25600 457.0 Open California,U.S.A. ORR Orenburg 51.61840 54.75300 91.0 Open Orenburgskaya Oblast',Russia OR2 Orenburg-2 51.73560 55.03190 87.0 3.0 Open Orenburgskaya Oblast',Russia OR3 Orenburg-3 51.90050 54.40980 192.5 4.0 Open Orenburgskaya Oblast',Russia OREN Orenkoy-Mersin 36.20770 33.45860 54.0 Open Turkey ORPS Orepuki -46.28680 167.76512 71.0 Open South Island,New Zealand ORHR Oreshnoe 55.30200 93.66500 444.0 Open Krasnoyarskiy Kray,Russia ORTZ Oretz Creek 30.97633 35.26051 1.0 Open Israel IIO Organos 19.59150 -98.72250 2940.0 Tlaxcala,Mexico 214A Organ Pipe National Monument, Ajo 31.95590 -112.81150 543.0 Open Arizona,U.S.A. CORG Organya 42.23031 1.31761 716.0 Spain ORG Organya 42.22781 1.33219 740.0 Closed Spain ORGV Orgiva 36.85717 -3.43217 1600.0 Spain ORLT Orhaneli 40.04600 28.89600 649.0 Turkey ORHG Orhangazi 40.51330 29.29870 175.0 1.0 Open Turkey ORH Orhaniye 40.86020 30.07070 320.0 Open Turkey ORIA Oriahovo 43.72630 23.96640 231.0 Open Bulgaria ORCC Oricopia Mountain 33.56617 -115.76917 1087.0 California,U.S.A. ORY Orie 55.00310 95.10890 378.0 Open Krasnoyarskiy Kray,Russia OR1 Oriolo Calabro 40.06350 16.44920 375.0 ORI Italy ORI Oriolo Calabro 40.06350 16.44920 375.0 Italy ORIF Oris-en-Rattier 44.91833 5.88000 1082.0 Open Rhone-Alpes,France CORI Orista 41.97350 2.04990 331.0 Open Spain ORIV Oritupano 9.07000 -63.40900 123.0 Open Venezuela TRE03 Orivesi, Finland 61.61620 24.21130 131.0 Open Finland OZST Orizaba 18.86070 -97.09420 1251.0 Veracruz E007 Orjiva, Granada 36.86050 -3.42910 1289.0 Closed Spain ORK Orkelljunga 56.26800 13.26200 96.0 Closed Sweden OR- Orlando 28.46694 -81.22139 20.0 OR-FL Closed Florida,U.S.A. OR-FL Orlando 28.46694 -81.22139 20.0 Closed Florida,U.S.A. ORHO Orleans, Heritage Park 45.45630 -75.53670 51.0 Open Ontario,Canada ORIO Orleans, Innes Road, Ontario 45.45150 -75.51100 74.0 Open Ontario,Canada KOMM Orleans Mountain 41.27880 -123.45200 1181.0 California,U.S.A. ORL Orlik 52.53889 99.81000 1360.0 Buryatiya,Russia OCLP Ormoc 11.05100 124.60900 130.0 Leyte,Philippines G58A Ormstown 45.14920 -74.05400 53.0 Open Quebec,Canada QCM15 Ormstown 45.12710 -73.99770 44.0 Open Quebec I61A Oroboro, Fairlee 43.93230 -72.20870 287.0 Open Vermont,U.S.A. CHOHN Orocuina 13.47990 -87.15844 1000.0 Open Choluteca,Honduras OTW Orongorongo Tunnel -41.27578 175.00439 220.0 Closed North Island,New Zealand ORNO Orono 44.89200 -68.67200 100.0 Open Maine,U.S.A. ORX Oropa 45.63250 7.98167 1250.0 Italy ORO Oropa 45.62750 7.98139 1160.0 Italy OROT Orotina 9.91200 -84.52600 229.0 Costa Rica ORTS Orotukan 62.26000 151.34000 470.0 Closed Magadanskaya Oblast',Russia ORV Oroville 39.55450 -121.50036 334.7 Open California,U.S.A. EORO Oroz-Betelu 42.89260 -1.30950 880.0 Open Spain M3A16 Orpen Rest Camp, 3A16 -24.47720 31.38960 452.0 South Africa ORRS Orr Springs 39.27220 -123.43430 588.5 Open California ORP Orsara di Puglia 41.27920 15.26490 717.0 Open Italy FG5 Orsara di Puglia 41.28250 15.26778 660.0 Italy ORS ORSARA DI PUGLIA 39.79800 15.90660 130.0 Open Italy OTUK Ortayu 48.24450 72.33780 602.0 0.0 Open Kazakhstan ORTG Ortega, Santa Cruz, Guanacaste 10.36230 -85.45900 760.0 Open Costa Rica ORTC Ortega, Tolima 3.90900 -75.24600 446.0 Open Colombia ORTE Orte (VT) 42.46070 12.38450 130.0 Open Italy ORTH Orthonies,Zakynthos,Greece 37.85110 20.69630 450.0 0.0 Open Greece OII Orti 38.15330 15.68920 Italy PL07 Orti Farnesiani 1 - Parco del Palatino, Rome 41.89050 12.48685 0.0 0.0 Open Italy PL09 Orti Farnesiani 2 - Parco del Palatino, Rome 41.89065 12.48581 0.0 0.0 Open Italy FX01 Ortigia (SR) 37.05860 15.29640 50.0 0.0 Closed Italy OTZ Ortiz Mountain 35.76030 -106.17300 2091.0 Open New Mexico,U.S.A. V23A Ortiz Mt. (NFS), Santa Fe National Forest 35.74520 -106.18330 1991.0 Closed New Mexico,U.S.A. G33A Ortonville 45.19460 -96.43830 338.0 Closed Minnesota,U.S.A. OTK Orto-Tokoy 42.34600 76.01700 1700.0 Kyrgyzstan ORZI Orzinuovi 45.40560 9.93070 83.0 Open Italy OSGS Os 60.19000 5.46000 30.0 Open Norway OSK Osaka 34.61170 135.66000 472.0 Osaka,Japan OSA Osaka 34.67830 135.52200 13.0 Osaka,Japan OSAC Osaka (C) 34.65300 135.43200 678.0 ,Japan OSAK Osaka (K) 34.65300 135.53400 678.0 ,Japan JOFO Osakifurukawaosaki 38.60220 140.91120 29.0 Open Miyagi,Japan OSBY Osborn 41.36030 -73.92390 212.0 New York,U.S.A. OSKI Oschiri 40.82100 9.10830 896.0 Open Italy OSG Oseberg A Platform 60.49700 2.87600 -100.0 Closed Norway OHH Osh 40.52400 72.78500 980.0 Kyrgyzstan OSHJ Oshima 34.74670 139.36700 76.0 Open Bonin Islands,Japan OSH Oshima 34.76167 139.37833 191.0 Closed Bonin Islands,Japan JIM O shima 2 34.76167 139.37667 190.0 Bonin Islands,Japan JIM2 Oshima 3 34.71750 139.43117 405.0 Bonin Islands,Japan JOMM Oshimamatsumae 41.52480 140.00690 27.0 Open Hokkaido,Japan MOSM Osimo 43.49000 13.49400 118.0 1.0 Open Italy AD06 Osimo (AN) 43.49440 13.43660 112.0 Open Italy T1714 Osimo (AN) 43.47640 13.38790 117.0 0.0 Open Italy OSI Osito Audit: Castaic Lake Dam, Castaic 34.61450 -118.72350 718.0 Open California,U.S.A. OSKU Oskarshamn 57.19470 16.09940 100.0 Open Sweden OO-NW Oslo 61.05472 10.86611 555.0 Norway OO- Oslo 61.05472 10.86611 555.0 OO-NW Norway OSL Oslo 59.93717 10.72267 70.0 Norway OSMA OSMANCIK-CORUM 40.99390 34.76050 418.0 Open Turkey KAMA Osmaniye 37.18610 36.66770 983.0 Open Turkey OSMT Osmaniye 40.60220 29.70020 820.0 Open Turkey OSML Os-Marcillon 43.38917 -0.59278 105.0 Aquitaine,France GCG4 OSOP 14.58730 -90.53253 1502.0 Open Guatemala EOSO Osorio 28.07181 -15.55250 760.0 Spain OSCH Osorno -40.57581 -73.12764 45.0 Valdivia,Chile USP Ospenovka 43.26689 74.49969 740.0 Kazakhstan NR16 Osservatorio Astronomico di Roma 41.92320 12.45260 137.0 0.0 Closed Italy OSSC Osservatorio Polifunzionale del Chianti 43.52360 11.24580 450.0 Italy OSSF Osses 43.25600 -1.26181 240.0 Open Aquitaine,France OSNY Ossining 41.21170 -73.82830 122.0 New York,U.S.A. OSSR Ossora 59.25000 163.06000 5.0 Kamchatskaya Oblast',Russia OSTC Ostas 50.55650 16.21560 556.0 2.0 Open Czech Republic BOST Ostende 51.23820 2.93870 3.0 Open Belgium OVD Ostervraa, Denmark 57.31730 10.20630 50.0 0.0 Open Denmark MIR07 Ostiglia (MN) 45.08100 11.13010 13.0 0.0 Open Italy OKC Ostrava-Krasne 49.83750 18.14722 272.0 Open Czech Republic OSMR Ostromysovka 47.24500 143.01000 30.0 Open Sakhalinskaya Oblast',Russia OSCM Ostuacan 17.40556 -93.33472 Chiapas,Mexico OSM Ostula 18.49722 -103.47194 Michoacan,Mexico OSWG Oswego 43.51700 -76.41620 84.0 New York,U.S.A. OT011 OT011 45.39390 -75.71490 94.0 Open Ontario,Canada OTNZ Otaenga -35.59020 173.82510 142.0 Open New Zealand ODZ Otahua Downs -45.04397 170.64462 274.0 Open South Island,New Zealand OGWZ Otaki Gorge -40.81667 175.17035 206.0 0.0 Open North Island,New Zealand OTKS Otaki School -40.75488 175.14384 9.0 Open North Island,New Zealand JFT Otama 37.51817 140.33667 350.0 Fukushima,Japan JOTO OTAMA OYAMA 37.55980 140.33370 434.1 0.0 Open Fukushima OTAZ Otara -36.94940 174.92490 140.0 Closed North Island,New Zealand AOTA Otavalo 0.24010 -78.25570 2529.0 Open Ecuador OTAV Otavalo 0.23761 -78.45081 3492.0 Ecuador OLP Otay Lakes Park 32.60770 -116.93020 159.0 Open California OTP Otepa -18.16750 -140.85700 2.0 Open Tuamotu,French Polynesia OTL3 Oterleek 52.62890 4.82270 -4.0 150.0 Open Netherlands OTL Oterleek 52.62989 4.82261 -3.0 Netherlands OTL4 Oterleek 52.62890 4.82270 -4.0 200.0 Open Netherlands OTL1 Oterleek 52.62890 4.82270 -4.0 50.0 Open Netherlands OTL2 Oterleek 52.62890 4.82270 -4.0 100.0 Open Netherlands OTH Othello 46.73900 -119.21600 384.0 Open Washington,U.S.A. OT2 Othello 46.72140 -119.23500 355.0 Closed Washington,U.S.A. OT3 Othello 3 46.66900 -119.23300 322.0 Washington,U.S.A. OTI Otiai 47.33330 142.78300 Sakhalinskaya Oblast',Russia I63A Otisfield 44.05050 -70.58090 177.0 Open Maine,U.S.A. OTOC Otocac 44.87220 15.23058 452.0 Open Croatia OTV Ottaviano, Vesuvio (NA), Italy 40.83920 14.46630 363.0 Open Italy OTT Ottawa 45.39420 -75.71670 77.0 Open Ontario,Canada ONN06 Ottawa 45.35226 -75.85811 Open Ontario,Canada OTAO Ottawa Anderson Road 45.40690 -75.55260 21.0 0.0 Open Ontario ONN12 Ottawa-Fire-Stn-94 45.22000 -75.67400 61.0 Open Ontario OTTER Otterbach 47.57780 7.60380 298.0 Open Switzerland OTER1 Otterbach 1 (BS) 47.57770 7.60370 274.0 480.0 Open Switzerland OTER2 Otterbach 2 (BS) 47.57910 7.60460 257.0 2744.0 Open Switzerland S35A Otter Creek Ranch, Eureka 37.68210 -96.31900 334.0 Closed Kansas,U.S.A. F55A Otter Lake 45.83380 -76.35100 218.0 Open Quebec,Canada OTRO Otter Rapids 50.18181 -81.62861 109.0 Ontario,Canada OTVZ Oturere -39.16311 175.66510 1506.0 Open North Island,New Zealand OAHZ Ouaha Hills -38.84580 176.04750 662.0 Open New Zealand OUA Ouanaham -20.77470 167.24400 29.0 Loyalty Islands,New Caledonia ODK Oud Koma 11.59320 42.49010 100.0 Open Djibouti COAT Oued Athmania 36.23400 6.28400 840.0 Algeria,Algeria OFD Oued Fodda 36.06670 1.60000 377.0 Closed Algeria EOFD Oued Fodda 36.04700 1.61000 529.0 Algeria,Algeria EKMS Oued Kramis 36.31400 0.64200 192.0 Algeria,Algeria OUENC Ouen Island, New Caledonia -22.41830 166.84160 115.0 0.0 Open New Caledonia ONTNC Ouen Toro -22.30731 166.45400 107.0 New Caledonia OUJ Oujda 34.65700 -1.90100 600.0 Morocco OUK Oukaimeden 31.20700 -7.86600 2831.0 Morocco OUFX Oulainen 64.36450 24.70310 90.0 Open Finland OLKF Oulanka, Finland 66.32060 29.40030 315.0 5.0 Open Finland ABSD Ouled Sidi Brahim 35.43450 4.19850 520.0 Algeria,Algeria OLHC Oulhaca 35.25000 -1.42000 600.0 Open Algeria OUL Oulu 65.08590 25.89260 60.0 0.0 Finland OAR Oum El Arais 34.53170 8.39683 475.0 Tunisia ORJ Oura 35.51714 136.11969 150.0 Closed Shiga,Japan OUR Ouranopolis 40.33440 23.98190 60.0 Open Greece SCR05 Ourey, S05 38.11520 -107.74430 2184.0 Colorado JIO Ouri 38.45433 141.34883 40.0 Miyagi,Japan FABR Ouro Preto, Brazil -20.41920 -43.91330 1454.0 0.0 Open Minas Gerais OHSS Ouruhia School -43.44460 172.66050 13.0 Open South Island,New Zealand AODM Outingdale 38.61480 -120.72800 520.0 Open California,U.S.A. OTJO Outjo -20.01800 15.97990 1327.0 Namibia OUT Outlet 19.38970 -155.28200 1038.0 Open Hawaii,U.S.A. YUK6 Outpost Mountain 60.94321 -138.36264 2233.0 Open Yukon Territory,Canada OUZM OUZ 30.90900 -6.76000 1216.0 Morocco OVA Ovalau -17.68619 178.78369 439.0 Open Fiji OVCH Ovalle -30.60800 -71.20100 222.0 Coquimbo,Chile OVMT Ovando 47.06433 -112.99667 1494.0 Montana,U.S.A. OVAR Ovaro 46.48470 12.86470 581.0 Open Italy OSS Ova Spin 46.68680 10.14370 1700.0 Closed Switzerland OCN Over Castle Rock 43.88480 -74.52930 701.0 Closed New York,U.S.A. OVE Overton 36.53110 -114.44200 395.0 Closed Nevada,U.S.A. DSI13 Ovnat, DS13 31.67200 35.43100 169.0 Closed Israel OWA Owase 34.06670 136.19500 17.0 Mie,Japan OCA Owens Crossroads 34.61380 -86.43520 250.0 Alabama,U.S.A. W26A Owens Ranch, Tucumcari 35.08910 -103.76560 1314.0 Closed New Mexico,U.S.A. ORC Owens River 37.63530 -118.65600 2301.0 Open California,U.S.A. L16K Owhat River 61.71050 -159.47470 227.0 Open Alaska,U.S.A. SOA Owia 13.37350 -61.14860 40.0 St Vincent,Saint Vincent and the Grenadines OHTN Owl Hoot 36.15000 -89.52000 82.0 Tennessee,U.S.A. E63A Oxbow 46.42200 -68.42200 238.0 Open Maine,U.S.A. OMWY Oxenhope Moor 53.79090 -1.97989 438.0 England,United Kingdom 757A Oxford 28.94130 -82.06850 22.0 Open Florida,U.S.A. U58A Oxford 36.39440 -78.54930 169.0 Open North Carolina,U.S.A. OXZ Oxford -43.32589 172.03827 319.0 Open South Island,New Zealand OXF Oxford 34.51180 -89.40920 101.0 Open Mississippi,U.S.A. OXD Oxford 51.76670 -1.25000 61.0 England,United Kingdom OXFO Oxfordhalvoya, Svalbard 79.77070 21.72350 95.0 Open Norway OXMT Ox Mountain 37.49939 -122.42431 14.8 California,U.S.A. OXM Oxtotitlan 19.29720 -99.68830 2700.0 Mexico D.F.,Mexico OYT Oya 1 35.33394 134.66450 260.0 Closed Hyogo,Japan OYT2 Oya 2 35.32181 134.66578 230.0 Hyogo,Japan OYM Oyama 35.42010 139.24300 600.0 Open Kanagawa,Japan OZLJ Ozalj 45.61530 15.46730 0.2 Open Croatia FCAR Ozark Folk Center 35.88981 -92.12419 190.0 Arkansas,U.S.A. AY2S Ozernaya 63.75000 146.11000 875.0 Closed Sakha,Russia OZE Ozernaya 56.30000 113.97500 620.0 Buryatiya,Russia OZRR Ozero (Kronotsky) 54.69200 160.39200 391.0 Kamchatskaya Oblast',Russia OZHR Ozhidaevo 47.04000 143.39000 -111.0 Sakhalinskaya Oblast',Russia OJD4 Ozhidaevo 47.02860 142.39890 230.0 Open Sakhalinskaya Oblast',Russia OZOL Ozolo 46.40450 11.05170 1231.0 0.0 Open Trentino,Italy OZNA Ozona 30.92195 -101.12708 770.8 Open Texas,U.S.A.
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 |