Data Report
Bulletin / 1997-07
Contributed by CUPWA
Date 1997-07-01
Origin Time 0606 11.82 +- 3.33
Zone 50
Easting 359.29 +- 10.17 Longitude 115.642
Northing 7630.84 +- 21.53 Latitude -21.419
Depth 5.00 +- 36.12 N
Arrival times = 8 S.D. = 0.527 Seismographs = 4
Nearest recorder = 198.8 km Gap = 220.4 deg Accuracy = C
Effects Code = Imax = 0 Fault =
30 km NW (301 deg) of LP05
WESTERN AUSTRALIA
141 km SW (233 deg) of Dampier
59 km NE ( 67 deg) of Onslow
Record Dur Sync Unc Resp Seismometer Recorder Pol
GIRL 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.2
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
GIRL i-P 41.60 0.10 1.19 41.95 -0.35 198.8 226 -42.2 42.2
GIRL e S 64.90 0.10 0.75 64.47 0.43 198.8 226 -40.3 40.3
MBL i-P 70.60 0.10 1.10 70.62 -0.02 435.8 86 -42.2 42.2
MBL e S 115.00 0.30 0.56 114.37 0.63 435.8 86 -40.3 40.3
MBL e SG 131.50 0.30 0.56 132.20 -0.70 435.8 86 0.7 0.7
MEEK e P 97.50 0.10 0.74 96.80 0.70 652.0 153 -42.2 42.2
MEEK e S 159.40 0.10 0.67 159.96 -0.56 652.0 153 -40.3 40.3
WARB w P 169.00 2.00 0.39 168.13 0.87 1242.0 117 -42.2 42.2
8 times used, S = 0.527
Deferred Data
MEEK e SG 188.50 0.30 0.54 191.94 -3.44 652.0 153 0.5 0.5
WARB e S 281.90 1.00 0.40 284.15 -2.25 1242.0 117 -40.3 40.3
Velocity Ratios
GIRL MBL MEEK
GIRL 1.78 1.73 1.69
0.01 0.03 0.01
MBL 1.73 1.76 1.65
0.03 0.01 0.03
MEEK 1.69 1.65 1.72
0.01 0.03 0.00
Date 1997-07-08
Origin Time 2134 38.56 +- 6.44
Zone 49
Easting 835.33 +- 23.30 Longitude 114.423
Northing 6850.90 +- 15.68 Latitude -28.425
Depth 5.00 +- 69.29 N
Arrival times = 13 S.D. = 1.183 Seismographs = 9
Nearest recorder = 177.2 km Gap = 201.3 deg Accuracy = C
Effects Code = Imax = 0 Fault =
176 km NW (299 deg) of MRWA
414 km N (340 deg) of PERTH
43 km NW (333 deg) of GERALDTON
22 km SW (248 deg) of NORTHAMPTON
Record Dur Sync Unc Resp Seismometer Recorder Pol
MRWA 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 4.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
MRWA e P 66.90 0.10 0.84 66.11 0.79 177.2 120 -42.2 42.2
BAL e P 84.20 1.00 0.50 84.40 -0.20 328.5 138 -42.2 42.2
MUN e P 95.10 0.10 0.77 96.73 -1.63 430.5 156 -42.2 42.2
MUN e S 142.00 1.00 0.44 140.02 1.98 430.5 156 -40.3 40.3
MEEK i-P 101.10 0.10 1.10 100.41 0.69 460.7 65 -42.2 42.2
MEEK e S 146.20 1.00 0.44 146.43 -0.23 460.7 65 -40.3 40.3
KLB e P 101.50 1.00 0.48 102.42 -0.92 477.5 138 -42.2 42.2
GIRL i+P 122.80 0.10 1.06 122.23 0.57 641.5 358 -42.2 42.2
WOOL e P 137.00 0.50 0.45 137.17 -0.17 764.8 114 -42.2 42.2
WARB e P 195.30 0.10 0.70 195.76 -0.46 1249.3 81 -42.2 42.2
WARB e S 313.80 0.20 0.55 312.43 1.37 1249.3 81 -40.3 40.3
FITZ e P 241.10 0.20 0.61 242.71 -1.61 1637.9 47 -42.2 42.2
FITZ e S 391.90 0.20 0.55 394.19 -2.29 1637.9 47 -40.3 40.3
13 times used, S = 1.183
Deferred Data
BAL e S 125.00 0.50 0.52 118.56 6.44 328.5 138 -40.3 40.3
MEEK e PMP 107.00 0.20 0.40 106.10 0.90 460.7 65 -31.2 31.2
MEEK e SG 170.70 0.30 0.55 165.83 4.87 460.7 65 0.7 0.7
GIRL e S 179.70 1.00 0.42 184.41 -4.71 641.5 358 -40.3 40.3
WARB e SG 384.40 1.00 0.40 383.66 0.74 1249.3 81 0.3 0.3
Velocity Ratios
MUN MEEK WARB FITZ
MUN 1.83 0.00 1.71 1.71
0.02 0.00 0.02 0.01
MEEK 0.00 1.72 1.78 1.75
0.00 0.02 0.02 0.01
WARB 1.71 1.78 1.76 1.71
0.02 0.02 0.00 0.02
FITZ 1.71 1.75 1.71 1.74
0.01 0.01 0.02 0.00
EXPECTED ARRIVAL TIMES
Code Dist Delta P PG S SG
MRWA 177.2 1.59 66.1 67.5 86.7 87.5
TOU 322.7 2.90 83.7 91.2 117.3 127.7
BAL 328.5 2.95 84.4 92.2 118.6 129.3
AZA 329.6 2.96 84.5 92.3 118.8 129.6
CMC 369.4 3.32 89.4 98.8 127.2 140.6
KALJ 369.6 3.32 89.4 98.9 127.2 140.7
EMMO 379.4 3.41 90.6 100.5 129.3 143.4
CAE 379.4 3.41 90.6 100.5 129.3 143.4
DOW 379.5 3.41 90.6 100.5 129.3 143.4
GOK 400.0 3.60 93.0 103.8 133.6 149.1
GOO 405.0 3.64 93.6 104.6 134.7 150.4
MUN 430.5 3.87 96.7 108.8 140.0 157.5
MBW 449.3 4.04 99.0 111.9 144.0 162.7
KBW 450.7 4.05 99.2 112.1 144.3 163.1
YK5 451.5 4.06 99.3 112.2 144.4 163.3
YK4 451.5 4.06 99.3 112.2 144.4 163.3
MBC 451.7 4.06 99.3 112.3 144.5 163.4
YK2 451.8 4.06 99.3 112.3 144.5 163.4
MBS 452.7 4.07 99.4 112.4 144.7 163.6
MBE 453.5 4.08 99.5 112.5 144.9 163.8
YK3 454.0 4.08 99.6 112.6 145.0 164.0
KBN 454.0 4.08 99.6 112.6 145.0 164.0
KBG 455.3 4.09 99.7 112.8 145.2 164.3
YK1 455.6 4.10 99.8 112.9 145.3 164.4
MEEK 460.7 4.14 100.4 113.7 146.4 165.8
KBS 460.9 4.15 100.4 113.8 146.4 165.9
KLB 477.5 4.29 102.4 116.5 149.9 170.5
QUW 481.7 4.33 102.9 117.2 150.8 171.6
QUA 483.0 4.34 103.1 117.4 151.1 172.0
NWAO 568.3 5.11 113.4 131.3 169.0 195.6
NWA 568.3 5.11 113.4 131.3 169.0 195.6
MUJA 586.3 5.27 115.6 134.2 172.8 200.5
GIRL 641.5 5.77 122.2 143.2 184.4 215.8
ONG2 709.1 6.38 130.4 154.2 198.7 234.5
ONG5 710.5 6.39 130.6 154.5 199.0 234.8
ONG1 710.7 6.39 130.6 154.5 199.0 234.9
ONG4 712.4 6.41 130.8 154.8 199.4 235.4
ONG3 712.8 6.41 130.9 154.9 199.5 235.5
RKG 725.7 6.53 132.4 157.0 202.2 239.0
WOOL 764.8 6.88 137.2 163.3 210.4 249.8
MBL 977.1 8.79 162.8 198.0 255.1 308.5
WARB 1249.3 11.24 195.8 242.4 312.4 383.7
FORT 1363.6 12.26 209.6 261.0 336.4 415.2
FITX 1637.6 14.73 242.7 305.7 394.1 490.9
FITZ 1637.9 14.73 242.7 305.8 394.2 491.0
ARG 1968.8 17.71 282.7 359.7 463.9 582.4
ASPA 2069.3 18.12 294.8 376.1 485.5 610.2
ASP 2069.3 18.12 294.8 376.1 485.5 610.2
KNA 2069.4 18.27 294.9 376.1 485.5 610.2
HKN 2076.8 18.20 295.7 377.4 487.0 612.3
HWK 2078.7 18.21 295.9 377.7 487.5 612.8
CLV 2239.7 19.62 313.1 403.9 523.5 657.3
WRG 2240.1 19.58 312.9 404.0 523.2 657.4
WSA 2244.6 19.62 313.3 404.7 524.1 658.6
WRB 2291.1 20.01 317.6 412.3 533.8 671.5
WB1 2291.1 20.01 317.6 412.3 533.8 671.5
WRA 2291.4 20.02 317.6 412.4 533.9 671.5
WR1 2291.4 20.02 317.6 412.4 533.9 671.5
WB2 2292.5 20.03 317.7 412.5 534.1 671.9
WR2 2293.6 20.03 317.8 412.7 534.3 672.1
WB3 2294.0 20.04 317.8 412.8 534.4 672.3
WB4 2295.5 20.05 317.9 413.0 534.7 672.7
WR3 2295.8 20.05 317.9 413.1 534.7 672.8
WR4 2297.6 20.07 318.1 413.4 535.1 673.3
WB5 2297.8 20.07 318.1 413.4 535.1 673.3
WB6 2299.0 20.08 318.2 413.6 535.3 673.7
WR5 2299.2 20.08 318.2 413.6 535.4 673.7
WB7 2301.0 20.10 318.4 413.9 535.7 674.2
WR6 2302.2 20.11 318.4 414.1 535.9 674.5
WB8 2302.7 20.11 318.5 414.2 536.0 674.7
WB9 2304.3 20.13 318.6 414.5 536.3 675.1
WR7 2304.3 20.12 318.6 414.5 536.3 675.1
WB0 2306.5 20.14 318.8 414.8 536.7 675.7
WB10 2306.5 20.14 318.8 414.8 536.8 675.7
WR8 2306.7 20.14 318.8 414.9 536.8 675.8
WR9 2308.1 20.15 318.9 415.1 537.0 676.1
WR10 2310.5 20.17 319.1 415.5 537.5 676.8
RPA 2316.4 20.24 319.6 416.4 538.7 678.4
NBK 2374.7 20.72 323.8 426.0 548.9 694.6
EDO 2383.3 20.79 324.4 427.4 550.3 696.9
PNA 2387.9 20.82 324.6 428.1 550.8 698.2
HTT 2477.2 21.58 331.3 442.7 566.0 722.9
ADE 2480.0 21.64 331.9 443.1 567.1 723.6
THS 2482.1 21.66 331.9 443.5 567.3 724.2
ADT 2482.1 21.66 332.0 443.5 567.4 724.2
UMB 2487.1 21.61 331.5 444.3 566.5 725.6
STR 2428.0 21.84 333.7 570.6
ARK 2423.0 21.79 333.3 569.8
KAKA 2551.2 22.94 344.7 590.8
WKA 2582.3 23.22 347.4 595.8
MGR 2639.0 23.73 352.4 604.8
STK 2637.9 23.72 352.3 604.6
ISQ 2677.5 24.08 355.8 610.8
QIS 2689.3 24.19 356.8 612.6
BFD 2794.2 25.13 365.9 628.5
CRNS 2914.7 26.21 376.0 646.5
GVLS 3008.4 27.06 383.8 660.4
PIAS 3023.7 27.19 385.0 662.6
ROYS 3042.5 27.36 386.6 665.3
TOO 3058.7 27.51 388.0 667.8
CMS 3039.7 27.34 386.4 665.0
SVR 3140.3 28.24 394.6 679.5
TOSS 3143.1 28.27 394.8 679.9
SFF 3223.2 28.99 401.2 691.4
STG 3250.5 29.23 403.5 695.5
DTMS 3215.9 28.92 400.6 690.3
TRR 3265.8 29.37 404.7 697.7
SPK 3278.1 29.48 405.7 699.4
SAV 3305.7 29.73 407.9 703.3
MOO 3328.6 29.94 409.7 706.6
TAU 3354.4 30.17 411.9 710.2
CAN 3341.7 30.05 410.9 708.6
KBH 3349.6 30.12 411.5 709.7
SPG 3350.0 30.13 411.6 709.7
OOL 3353.6 30.16 411.9 710.2
DAL 3354.4 30.17 411.9 710.3
AVL 3361.3 30.23 412.5 711.3
CNB 3374.8 30.35 413.6 713.3
CTAO 3348.8 30.12 411.4 709.5
CTA 3348.8 30.12 411.4 709.5
RMQ 3388.2 30.47 414.6 715.1
WERS 3481.9 31.31 421.9 728.3
AVOX 3485.5 31.35 422.2 728.8
PHDS 3517.9 31.64 424.8 733.4
RIV 3535.4 31.80 426.2 735.8
COO 3623.8 32.59 433.2 748.3
BRS 3760.3 33.82 443.8 767.4
MCQ 4596.7 41.34 506.9 881.8
MAW 5523.3 49.67 573.3 1001.4
Date 1997-07-11
Origin Time 0552 55.07 +- 0.61
Zone 50
Easting 504.49 +- 6.78 Longitude 117.047
Northing 6594.26 +- 6.43 Latitude -30.785
Depth 5.00 +- 8.68 N
Arrival times = 9 S.D. = 0.279 Seismographs = 5
Nearest recorder = 4.8 km Gap = 129.1 deg Accuracy = B
Effects Code = Imax = 0 Fault =
4 km W (278 deg) of CMC
WESTERN AUSTRALIA
172 km NE ( 42 deg) of PERTH
8 km W (259 deg) of Cadoux
Record Dur Sync Unc Resp Seismometer Recorder Pol
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.6
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
CMC i P 56.40 0.10 1.57 56.24 0.16 4.8 98 48.1 48.1
CMC i S 57.11 0.10 1.41 57.05 0.06 4.8 98 48.1 48.1
BAL i-P 61.10 0.10 1.36 61.35 -0.25 38.1 301 7.9 7.9
BAL i S 65.90 0.10 1.23 65.69 0.21 38.1 301 7.9 7.9
KLB e S 85.40 0.30 0.63 86.14 -0.74 112.3 143 2.7 2.7
MUN e P 79.50 0.50 0.62 79.49 0.01 154.5 210 -30.8 30.8
MUN e S 98.10 0.20 0.67 97.77 0.33 154.5 210 1.9 1.9
MRWA e P 85.00 1.00 0.52 85.50 -0.50 201.0 329 -42.2 42.2
MRWA e S 108.10 0.10 0.75 108.23 -0.13 201.0 329 -40.3 40.3
9 times used, S = 0.279
Velocity Ratios
CMC BAL MUN MRWA
CMC 1.54 1.87 1.77 1.78
0.21 0.13 0.06 0.08
BAL 1.87 1.80 1.75 1.77
0.13 0.05 0.08 0.09
MUN 1.77 1.75 1.76 0.00
0.06 0.08 0.05 0.00
MRWA 1.78 1.77 0.00 1.77
0.08 0.09 0.00 0.06
Date 1997-07-23
Origin Time 1617 41.83 +- 1.15
Zone 50
Easting 563.76 +- 11.87 Longitude 117.671
Northing 6518.37 +- 11.63 Latitude -31.468
Depth 5.00 +- 28.10 N
Arrival times = 7 S.D. = 0.218 Seismographs = 4
Nearest recorder = 16.1 km Gap = 181.8 deg Accuracy = B
Effects Code = Imax = 0 Fault =
2 km NE ( 58 deg) of KBS
WESTERN AUSTRALIA
181 km E ( 73 deg) of PERTH
19 km N (346 deg) of Kellerberrin
Record Dur Sync Unc Resp Seismometer Recorder Pol
KLB 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 1.7
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
KLB i-P 44.70 0.10 1.45 44.60 0.10 16.1 148 18.2 18.2
KLB e S 46.30 0.10 0.91 46.52 -0.22 16.1 148 18.2 18.2
BAL e P 63.00 0.20 0.75 63.18 -0.18 132.6 315 -30.8 30.8
BAL e S 78.40 0.20 0.67 78.48 -0.08 132.6 315 2.3 2.3
MUN e P 66.00 1.00 0.54 65.58 0.42 149.7 247 -30.8 30.8
MUN e S 83.10 0.30 0.62 83.21 -0.11 149.7 247 2.0 2.0
MRWA e PMP 87.00 1.00 0.30 86.53 0.47 296.8 326 -31.8 31.8
7 times used, S = 0.218
Deferred Data
MRWA e P 87.00 2.00 0.44 83.84 3.16 296.8 326 -42.2 42.2
Velocity Ratios
KLB BAL MUN
KLB 1.56 1.75 1.73
0.09 0.05 0.11
BAL 1.75 1.73 0.00
0.05 0.03 0.00
MUN 1.73 0.00 1.71
0.11 0.00 0.09
Date 1997-07-23
Origin Time 1829 47.98 +- 5.78
Zone 51
Easting 871.63 +- 14.90 Longitude 126.600
Northing 7557.83 +- 10.71 Latitude -22.045
Depth 5.00 +- 44.08 N
Arrival times = 16 S.D. = 1.798 Seismographs = 8
Nearest recorder = 448.3 km Gap = 110.8 deg Accuracy = C
Effects Code = Imax = 0 Fault =
447 km S (167 deg) of FITX
452 km N ( 0 deg) of WARBURTON
50 km E (105 deg) of TOBIN LAKE
Record Dur Sync Unc Resp Seismometer Recorder Pol
WARB 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.4
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
FITZ e P 110.40 0.50 0.56 108.29 2.11 448.3 346 -42.2 42.2
FITZ e S 155.10 0.50 0.50 153.17 1.93 448.3 346 -40.3 40.3
FITZ e SG 173.00 0.50 0.50 171.83 1.17 448.3 346 0.7 0.7
WARB e P 111.00 0.10 0.77 109.69 1.31 459.5 179 -42.2 42.2
WARB e S 158.50 0.10 0.69 155.59 2.91 459.5 179 -40.3 40.3
ASPA e P 146.90 0.10 0.73 147.99 -1.09 776.2 105 -42.2 42.2
ASPA e S 223.60 0.50 0.47 222.28 1.32 776.2 105 -40.3 40.3
WB2 e P 153.70 0.20 0.63 156.35 -2.65 845.4 75 -42.2 42.2
WB2 e S 236.50 0.20 0.56 236.84 -0.34 845.4 75 -40.3 40.3
MEEK e P 168.90 0.10 0.71 169.79 -0.89 956.6 236 -42.2 42.2
MEEK e S 259.40 0.10 0.64 260.24 -0.84 956.6 236 -40.3 40.3
KAKA e P 198.70 0.20 0.61 200.63 -1.93 1211.9 31 -42.2 42.2
KAKA e S 315.30 0.30 0.51 313.93 1.37 1211.9 31 -40.3 40.3
MRWA e P 212.30 0.50 0.51 214.80 -2.50 1328.9 230 -42.2 42.2
MRWA e S 338.60 0.20 0.55 338.60 0.00 1328.9 230 -40.3 40.3
MUN e S 374.00 1.00 0.40 376.26 -2.26 1507.9 220 -40.3 40.3
16 times used, S = 1.798
Deferred Data
BAL e S 344.00 0.50 0.46 347.07 -3.07 1369.2 223 -40.3 40.3
QIS e P 217.00 0.50 0.51 220.97 -3.97 1380.0 85 -42.2 42.2
Velocity Ratios
FITZ WARB ASPA WB2 MEEK KAKA MRWA
FITZ 1.72 0.00 1.88 1.88 1.78 1.81 1.80
0.02 0.00 0.06 0.05 0.03 0.02 0.02
WARB 0.00 1.75 1.81 1.83 1.74 1.79 1.78
0.00 0.00 0.03 0.02 0.01 0.01 0.01
ASPA 1.88 1.81 1.78 1.90 1.63 1.77 1.76
0.06 0.03 0.01 0.20 0.04 0.03 0.03
WB2 1.88 1.83 1.90 1.78 1.51 1.75 1.74
0.05 0.02 0.20 0.01 0.05 0.03 0.03
MEEK 1.78 1.74 1.63 1.51 1.75 1.88 1.82
0.03 0.01 0.04 0.05 0.00 0.03 0.03
KAKA 1.81 1.79 1.77 1.75 1.88 1.77 1.71
0.02 0.01 0.03 0.03 0.03 0.00 0.13
MRWA 1.80 1.78 1.76 1.74 1.82 1.71 1.77
0.02 0.01 0.03 0.03 0.03 0.13 0.01
EXPECTED ARRIVAL TIMES
Code Dist Delta P PG S SG
FITX 447.5 4.02 108.2 121.0 153.0 171.6
FITZ 448.3 4.03 108.3 121.1 153.2 171.8
WARB 459.5 4.13 109.7 122.9 155.6 174.9
ARG 622.5 5.60 129.4 149.5 189.9 220.0
MBL 707.4 6.36 139.6 163.4 207.7 243.4
KNA 732.4 6.59 142.7 167.5 213.0 250.3
ASPA 776.2 6.98 148.0 174.6 222.3 262.4
ASP 776.2 6.98 148.0 174.6 222.3 262.4
WRA 844.2 7.59 156.2 185.7 236.6 281.2
WR1 844.2 7.59 156.2 185.7 236.6 281.2
WRB 844.4 7.59 156.2 185.7 236.6 281.2
WB1 844.4 7.59 156.2 185.7 236.6 281.2
WB2 845.4 7.60 156.4 185.9 236.8 281.5
WB3 846.5 7.61 156.5 186.1 237.1 281.8
WR2 846.6 7.61 156.5 186.1 237.1 281.9
WB4 847.6 7.62 156.6 186.3 237.3 282.1
WR3 848.9 7.63 156.8 186.5 237.6 282.5
WB5 849.3 7.64 156.8 186.5 237.7 282.6
WB6 850.0 7.64 156.9 186.7 237.8 282.8
WR4 850.8 7.65 157.0 186.8 238.0 283.0
WB7 851.8 7.66 157.1 186.9 238.2 283.3
WR5 852.6 7.67 157.2 187.1 238.3 283.5
WB8 852.9 7.67 157.2 187.1 238.4 283.6
WB9 854.0 7.68 157.4 187.3 238.6 283.9
WR6 855.6 7.69 157.6 187.6 239.0 284.3
WB0 855.7 7.70 157.6 187.6 239.0 284.4
WB10 855.7 7.70 157.6 187.6 239.0 284.4
WR7 857.7 7.71 157.8 187.9 239.4 284.9
WR8 860.2 7.74 158.1 188.3 239.9 285.6
WR9 861.6 7.75 158.3 188.5 240.2 286.0
WR10 864.2 7.77 158.6 189.0 240.8 286.7
MEEK 956.6 8.60 169.8 204.0 260.2 312.2
FORT 980.0 8.81 172.6 207.9 265.1 318.7
WOOL 1113.7 10.02 188.8 229.7 293.3 355.6
KAKA 1211.9 10.90 200.6 245.7 313.9 382.8
HWK 1237.7 11.13 203.7 249.9 319.4 389.9
HKN 1240.5 11.16 204.1 250.4 320.0 390.7
MBE 1268.8 11.41 207.5 255.0 325.9 398.5
MBC 1271.9 11.44 207.9 255.5 326.6 399.3
MBS 1272.7 11.45 208.0 255.6 326.8 399.6
MBW 1273.4 11.45 208.1 255.7 326.9 399.7
GIRL 1277.9 11.49 208.6 256.4 327.8 401.0
MRWA 1328.9 11.95 214.8 264.8 338.6 415.1
KALJ 1348.0 12.12 217.1 267.9 342.6 420.4
AZA 1348.8 12.13 217.2 268.0 342.8 420.6
CMC 1355.3 12.19 218.0 269.1 344.1 422.4
TOU 1356.7 12.20 218.1 269.3 344.4 422.8
CAE 1361.4 12.24 218.7 270.1 345.4 424.0
EMMO 1361.4 12.24 218.7 270.1 345.4 424.0
KBN 1362.8 12.26 218.9 270.3 345.7 424.4
BAL 1369.2 12.31 219.7 271.3 347.1 426.2
ISQ 1371.8 12.34 220.0 271.8 347.6 426.9
KBS 1372.7 12.35 220.1 271.9 347.8 427.2
KBG 1373.1 12.35 220.1 272.0 347.9 427.3
KBW 1374.5 12.36 220.3 272.2 348.2 427.7
KLB 1374.6 12.36 220.3 272.2 348.2 427.7
QIS 1380.0 12.41 221.0 273.1 349.3 429.2
DOW 1380.0 12.41 221.0 273.1 349.3 429.2
GOK 1414.2 12.72 225.1 278.7 356.5 438.6
GOO 1418.6 12.76 225.6 279.4 357.5 439.9
WRG 1437.6 12.93 227.9 282.5 361.5 445.1
QUW 1438.4 12.94 228.0 282.6 361.6 445.3
QUA 1439.5 12.95 228.2 282.8 361.9 445.6
WSA 1443.8 12.98 228.7 283.5 362.7 446.8
YK2 1472.0 13.24 232.1 288.1 368.7 454.6
YK5 1472.8 13.25 232.2 288.2 368.9 454.8
YK4 1472.9 13.25 232.2 288.3 368.9 454.9
YK1 1473.3 13.25 232.3 288.3 369.0 455.0
YK3 1474.7 13.26 232.4 288.6 369.3 455.4
MUN 1507.9 13.56 236.4 294.0 376.3 464.5
NWA 1519.3 13.66 237.8 295.8 378.7 467.7
NWAO 1519.3 13.66 237.8 295.8 378.7 467.7
ONG3 1539.0 13.84 240.2 299.0 382.8 473.1
ONG5 1541.1 13.86 240.5 299.4 383.3 473.7
ONG1 1542.1 13.87 240.6 299.5 383.5 474.0
ONG2 1543.0 13.88 240.7 299.7 383.7 474.2
ONG4 1544.1 13.89 240.8 299.9 383.9 474.5
UMB 1564.8 14.07 243.3 303.3 388.3 480.2
ARK 1584.7 14.25 245.7 306.5 392.5 485.7
PNA 1607.2 14.45 248.4 310.2 397.2 492.0
RPA 1608.1 14.46 248.5 310.3 397.3 492.2
MUJA 1618.6 14.56 249.8 312.0 399.6 495.1
CLV 1629.2 14.65 251.1 313.8 401.8 498.0
EDO 1640.9 14.76 252.5 315.7 404.3 501.3
NBK 1646.7 14.81 253.2 316.6 405.5 502.9
RKG 1675.6 15.07 256.7 321.3 411.6 510.9
HTT 1768.9 15.91 268.0 336.5 431.3 536.6
THS 1861.9 16.75 279.2 351.7 450.8 562.3
STK 1870.7 16.82 280.3 353.1 452.6 564.7
ADE 1876.1 16.87 281.0 354.0 453.8 566.2
ADT 1877.6 16.89 281.2 354.3 454.2 566.7
STR 1906.6 17.15 284.6 359.0 460.2 574.7
WKA 2099.1 18.63 308.0 390.4 501.9 627.8
CTAO 2112.5 18.45 309.2 392.6 504.3 631.5
CTA 2112.5 18.45 309.2 392.6 504.3 631.5
MGR 2222.8 19.73 322.1 410.6 531.6 662.0
CMS 2225.6 19.55 321.4 411.0 530.4 662.8
BFD 2308.2 20.44 330.3 424.5 550.1 685.6
RMQ 2373.7 20.67 332.8 435.2 557.5 703.7
CRNS 2396.0 21.17 337.1 438.9 567.0 709.9
GVLS 2461.5 22.14 346.2 585.6
PIAS 2477.0 22.28 347.5 588.1
ROYS 2489.6 22.39 348.7 590.2
TOO 2498.8 22.47 349.6 591.8
TOSS 2579.9 23.20 356.7 604.8
DTMS 2575.0 23.16 356.2 604.0
SPG 2607.9 23.45 359.2 609.4
DAL 2610.2 23.47 359.4 609.7
OOL 2611.6 23.49 359.5 610.0
AVL 2617.5 23.54 360.0 610.9
CAN 2626.2 23.62 360.8 612.3
KBH 2636.4 23.71 361.7 613.9
CNB 2655.3 23.88 363.3 616.9
WERS 2691.5 24.21 366.4 622.3
COO 2687.8 24.17 366.2 621.9
AVOX 2713.3 24.40 368.3 625.6
PHDS 2720.2 24.46 368.9 626.7
SVR 2771.3 24.92 373.4 634.5
BRS 2707.0 24.35 367.8 624.8
RIV 2735.7 24.60 370.3 629.1
SFF 2825.4 25.41 378.0 642.6
TRR 2908.0 26.15 385.0 655.1
SAV 2908.4 26.16 385.0 655.0
STG 2920.2 26.26 386.0 656.8
SPK 2955.7 26.58 388.9 662.1
MOO 2962.7 26.65 389.5 663.1
TAU 3006.3 27.04 393.0 669.5
Date 1997-07-29
Origin Time 0742 58.77 +- 3.72
Zone 51
Easting 749.92 +- 56.91 Longitude 125.547
Northing 6873.47 +- 62.74 Latitude -28.241
Depth 5.00 +- 30.51 N
Arrival times = 10 S.D. = 0.853 Seismographs = 6
Nearest recorder = 252.2 km Gap = 203.3 deg Accuracy = B
Effects Code = Imax = 0 Fault =
251 km SW (205 deg) of WARB
255 km SW (203 deg) of WARBURTON
Record Dur Sync Unc Resp Seismometer Recorder Pol
KLB 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 4.1
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
WARB e P 95.50 0.20 0.71 95.40 0.10 252.2 25 -42.2 42.2
WOOL e P 124.80 0.30 0.61 123.97 0.83 488.6 228 -42.2 42.2
WOOL e SG 193.50 0.50 0.50 193.74 -0.24 488.6 228 0.6 0.6
KLB e P 167.00 0.50 0.52 166.30 0.70 838.7 241 -42.2 42.2
KLB e S 246.00 0.50 0.47 246.17 -0.17 838.7 241 -40.3 40.3
BAL e P 173.00 0.50 0.52 173.40 -0.40 897.4 250 -42.2 42.2
BAL e S 260.00 0.50 0.47 258.53 1.47 897.4 250 -40.3 40.3
MRWA e P 178.00 0.50 0.52 178.56 -0.56 940.1 261 -42.2 42.2
MUN e P 183.00 0.50 0.51 184.74 -1.74 991.2 242 -42.2 42.2
MUN e S 278.00 0.50 0.46 278.27 -0.27 991.2 242 -40.3 40.3
10 times used, S = 0.853
Velocity Ratios
KLB BAL MUN
KLB 1.73 0.00 0.00
0.01 0.00 0.00
BAL 0.00 1.76 0.00
0.00 0.01 0.00
MUN 0.00 0.00 1.76
0.00 0.00 0.01
EXPECTED ARRIVAL TIMES
Code Dist Delta P PG S SG
WARB 252.2 2.27 95.4 99.9 122.7 128.4
FORT 372.3 3.35 109.9 119.5 148.0 161.6
WOOL 488.6 4.39 124.0 138.5 172.5 193.7
MEEK 708.1 6.37 150.5 174.3 218.7 254.4
MBE 755.8 6.80 156.3 182.1 228.7 267.6
MBC 759.2 6.83 156.7 182.6 229.4 268.5
MBS 759.4 6.83 156.7 182.7 229.5 268.6
MBW 761.5 6.85 157.0 183.0 229.9 269.1
KBN 837.3 7.53 166.1 195.4 245.9 290.1
KLB 838.7 7.54 166.3 195.6 246.2 290.5
KBS 843.7 7.59 166.9 196.4 247.2 291.8
KBG 846.4 7.61 167.2 196.8 247.8 292.6
KBW 849.5 7.64 167.6 197.4 248.5 293.5
KALJ 860.4 7.74 168.9 199.1 250.8 296.5
CMC 866.9 7.80 169.7 200.2 252.1 298.3
EMMO 867.9 7.81 169.8 200.4 252.3 298.5
CAE 867.9 7.81 169.8 200.4 252.3 298.5
AZA 879.3 7.91 171.2 202.2 254.7 301.7
DOW 884.7 7.96 171.9 203.1 255.9 303.2
TOU 889.2 8.00 172.4 203.8 256.8 304.4
BAL 897.4 8.07 173.4 205.2 258.5 306.7
QUW 899.4 8.09 173.6 205.5 259.0 307.2
QUA 900.0 8.09 173.7 205.6 259.1 307.4
GOK 908.3 8.17 174.7 206.9 260.8 309.7
GOO 910.5 8.19 175.0 207.3 261.3 310.3
ONG3 926.0 8.33 176.9 209.8 264.6 314.6
ONG5 929.0 8.35 177.2 210.3 265.2 315.4
ONG1 930.0 8.36 177.3 210.5 265.4 315.7
ONG2 931.4 8.38 177.5 210.7 265.7 316.1
ONG4 931.6 8.38 177.5 210.7 265.7 316.1
MRWA 940.1 8.45 178.6 212.1 267.5 318.5
YK1 945.1 8.50 179.2 213.0 268.6 319.9
YK2 945.2 8.50 179.2 213.0 268.6 319.9
YK5 946.2 8.51 179.3 213.1 268.8 320.1
YK4 946.3 8.51 179.3 213.1 268.8 320.2
YK3 947.1 8.52 179.4 213.3 269.0 320.4
NWAO 951.6 8.56 180.0 214.0 269.9 321.7
NWA 951.6 8.56 180.0 214.0 270.0 321.7
HKN 964.6 8.67 181.5 216.1 272.6 325.2
HWK 965.3 8.68 181.6 216.3 272.8 325.4
MBL 973.7 8.76 182.6 217.6 274.6 327.7
ASPA 982.7 8.84 183.8 219.1 276.5 330.2
ASP 982.7 8.84 183.8 219.1 276.5 330.2
MUN 991.2 8.91 184.7 220.5 278.3 332.6
MUJA 1054.4 9.48 192.4 230.8 291.6 350.0
RKG 1072.8 9.65 194.6 233.8 295.5 355.1
FITX 1122.7 10.10 200.6 241.9 305.9 368.9
FITZ 1123.4 10.10 200.7 242.0 306.1 369.1
WRG 1140.0 10.25 202.7 244.7 309.6 373.7
WSA 1145.1 10.30 203.3 245.6 310.7 375.1
CLV 1216.2 10.94 211.9 257.2 325.6 394.7
RPA 1252.1 11.26 216.3 263.0 333.2 404.7
WRB 1289.2 11.59 220.8 269.1 341.0 414.9
WB1 1289.2 11.59 220.8 269.1 341.1 414.9
WRA 1290.1 11.60 220.9 269.2 341.2 415.2
WR1 1290.1 11.60 220.9 269.2 341.2 415.2
WB2 1290.9 11.61 221.0 269.4 341.4 415.4
WR2 1291.5 11.62 221.1 269.5 341.5 415.5
WB3 1292.9 11.63 221.2 269.7 341.8 415.9
WR3 1293.1 11.63 221.3 269.7 341.9 416.0
WR4 1294.4 11.64 221.4 269.9 342.1 416.3
WB4 1294.8 11.64 221.5 270.0 342.2 416.4
WR5 1295.2 11.65 221.5 270.1 342.3 416.6
PNA 1297.1 11.67 221.7 270.4 342.7 417.1
WB5 1297.5 11.67 221.8 270.4 342.8 417.2
WR6 1297.6 11.67 221.8 270.4 342.8 417.2
GIRL 1297.9 11.67 221.8 270.5 342.8 417.3
WR7 1299.0 11.68 222.0 270.7 343.1 417.6
WB6 1299.3 11.69 222.0 270.7 343.2 417.7
WR8 1300.8 11.70 222.2 271.0 343.5 418.1
WB7 1301.4 11.70 222.3 271.1 343.6 418.3
WR9 1301.7 11.71 222.3 271.1 343.7 418.4
WR10 1303.4 11.72 222.5 271.4 344.0 418.8
WB8 1303.7 11.73 222.6 271.4 344.1 418.9
NBK 1303.7 11.73 222.5 271.5 344.1 418.9
WB9 1305.8 11.74 222.8 271.8 344.5 419.5
EDO 1306.8 11.75 222.9 271.9 344.7 419.8
WB0 1308.4 11.77 223.1 272.2 345.1 420.2
WB10 1308.5 11.77 223.1 272.2 345.1 420.2
ARG 1313.2 11.81 223.7 273.0 346.0 421.5
UMB 1353.2 12.17 228.5 279.5 354.5 432.6
ARK 1374.4 12.36 231.1 283.0 359.0 438.4
HTT 1416.1 12.74 236.2 289.8 367.8 450.0
KNA 1422.8 12.80 236.9 290.9 369.1 451.8
THS 1461.2 13.14 241.6 297.1 377.2 462.4
ADE 1467.1 13.19 242.3 298.1 378.5 464.0
ADT 1468.9 13.21 242.6 298.4 378.9 464.6
STR 1494.1 13.44 245.5 302.5 384.1 471.5
STK 1620.4 14.57 260.8 323.1 410.7 506.4
ISQ 1667.8 15.00 266.6 330.8 420.8 519.5
WKA 1676.3 15.08 267.6 332.2 422.5 521.8
QIS 1682.2 15.13 268.3 333.2 423.8 523.5
MGR 1770.9 15.93 279.0 347.7 442.4 548.0
KAKA 1872.3 16.84 291.3 364.2 463.7 576.0
BFD 1898.6 17.08 294.5 368.5 469.3 583.2
CRNS 2009.9 17.79 307.9 386.6 492.7 614.0
CMS 2032.6 17.89 310.7 390.4 497.6 620.3
GVLS 2117.5 18.72 320.8 404.2 516.8 643.7
PIAS 2134.1 18.86 322.8 406.9 520.6 648.3
ROYS 2151.5 19.01 324.8 409.8 524.7 653.1
TOO 2165.8 19.13 326.4 412.1 528.1 657.1
TOSS 2255.6 19.89 335.5 426.7 548.7 681.9
DTMS 2301.0 20.25 339.5 434.1 557.7 694.4
CTAO 2348.6 20.54 342.5 441.9 565.3 707.5
CTA 2348.6 20.54 342.5 441.9 565.3 707.5
SVR 2349.3 20.80 344.6 442.0 569.2 707.8
RMQ 2370.9 20.69 343.8 445.5 568.4 713.7
SPG 2408.6 21.11 347.4 451.7 577.2 724.1
CAN 2409.1 21.12 347.6 451.8 577.5 724.3
OOL 2412.7 21.14 347.7 452.4 577.8 725.2
DAL 2412.7 21.14 347.7 452.4 577.8 725.3
KBH 2418.6 21.20 348.2 453.3 579.0 726.9
AVL 2420.4 21.20 348.2 453.6 579.1 727.4
SFF 2423.0 21.41 350.1 454.0 582.7 728.1
CNB 2443.9 21.41 350.1 457.4 583.1 733.9
STG 2488.7 22.02 355.8 464.8 594.3 746.3
TRR 2490.2 22.02 355.8 465.0 594.3 746.7
SAV 2466.2 22.18 357.4 597.2
SPK 2481.4 22.32 358.8 599.7
WERS 2463.6 22.16 357.1 596.7
AVOX 2473.8 22.25 358.1 598.4
MOO 2507.6 22.55 361.1 604.0
PHDS 2497.7 22.46 360.2 602.3
TAU 2544.5 22.88 364.4 609.9
RIV 2514.8 22.62 361.7 605.1
COO 2563.6 23.06 366.1 613.2
BRS 2678.0 24.09 376.1 631.1
MCQ 3971.4 35.72 480.2 816.8
MAW 5988.3 53.86 625.1 1079.0
Date 1997-07-29
Origin Time 2303 46.87 +- 1.91
Zone 52
Easting 153.49 +- 54.60 Longitude 125.473
Northing 6882.20 +- 57.90 Latitude -28.140
Depth 5.00 +- 34.20 N
Arrival times = 11 S.D. = 0.594 Seismographs = 6
Nearest recorder = 246.0 km Gap = 199.1 deg Accuracy = C
Effects Code = Imax = 0 Fault =
245 km SW (207 deg) of WARB
WESTERN AUSTRALIA
Record Dur Sync Unc Resp Seismometer Recorder Pol
BAL 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 2.9
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
WARB e P 82.20 0.10 0.81 82.76 -0.56 246.0 28 -42.2 42.2
WARB e S 110.20 0.10 0.73 109.53 0.67 246.0 28 -40.3 40.3
WOOL e PG 127.40 0.10 0.76 127.16 0.24 492.1 227 0.6 0.6
WOOL e SG 183.50 0.10 0.69 182.82 0.68 492.1 227 0.6 0.6
KLB e P 154.00 0.10 0.72 154.87 -0.87 842.6 240 -42.2 42.2
KLB e S 235.50 0.50 0.47 235.09 0.41 842.6 240 -40.3 40.3
BAL e S 247.00 0.50 0.47 247.24 -0.24 900.3 249 -40.3 40.3
MRWA e P 167.00 0.30 0.57 166.84 0.16 941.6 260 -42.2 42.2
MRWA e S 256.00 0.50 0.46 255.93 0.07 941.6 260 -40.3 40.3
MUN e P 173.00 1.00 0.45 173.51 -0.51 996.7 242 -42.2 42.2
MUN e S 267.00 1.00 0.40 267.54 -0.54 996.7 242 -40.3 40.3
11 times used, S = 0.594
Deferred Data
WOOL e P 113.90 0.10 0.76 112.50 1.40 492.1 227 -42.2 42.2
BAL e P 165.00 2.00 0.39 161.85 3.15 900.3 249 -42.2 42.2
RKG e P 177.00 0.10 0.70 183.79 -6.79 1081.7 226 -42.2 42.2
RKG e S 284.00 0.10 0.63 285.44 -1.44 1081.7 226 -40.3 40.3
Velocity Ratios
WARB KLB MRWA MUN
WARB 1.79 1.75 1.72 1.73
0.01 0.01 0.02 0.03
KLB 1.75 1.76 1.58 1.66
0.01 0.01 0.13 0.19
MRWA 1.72 1.58 1.74 0.00
0.02 0.13 0.01 0.00
MUN 1.73 1.66 0.00 1.75
0.03 0.19 0.00 0.02
Date 1997-07-31
Origin Time 1914 10.56 +- 92.84
Zone 51
Easting 530.13 +- 213.29 Longitude 123.284
Northing 8085.31 +- 859.54 Latitude -17.317
Depth 5.00 +- 395.93 N
Arrival times = 5 S.D. = 0.827 Seismographs = 3
Nearest recorder = 264.5 km Gap = 257.8 deg Accuracy = D
Effects Code = Imax = 0 Fault =
264 km W (288 deg) of FITZ
WESTERN AUSTRALIA
37 km W (270 deg) of Derby
Record Dur Sync Unc Resp Seismometer Recorder Pol
ASPA 0.00 Seismograph details unknown
FITZ 0.00 Seismograph details unknown
MAGNITUDES
Code R ML MD MB MS MW MN
No magnitudes known Assign ML 3.0
DATA USED
Code Wave AT +- WT CT DT Dist Azim Ad Ae
FITZ e P 48.20 0.20 0.70 48.64 -0.44 264.5 109 -42.2 42.2
FITZ e S 76.20 0.50 0.53 77.03 -0.83 264.5 109 -40.3 40.3
FITZ e SG 84.20 0.50 0.53 83.65 0.55 264.5 109 1.1 1.1
WB2 e P 164.50 1.00 0.44 163.02 1.48 1210.1 105 -42.2 42.2
MRWA e P 200.00 0.50 0.51 199.93 0.07 1515.4 207 -42.2 42.2
5 times used, S = 0.827
Deferred Data
KNA e S 155.40 0.50 0.49 150.05 5.35 611.2 74 -40.3 40.3
KNA e SG 181.50 1.00 0.42 179.41 2.09 611.2 74 0.5 0.5
KAKA e S 259.00 2.00 0.35 255.67 3.33 1112.9 63 -40.3 40.3
WB2 e S 274.90 0.50 0.46 276.18 -1.28 1210.1 105 -40.3 40.3
ASPA w P 178.50 2.00 0.39 176.12 2.38 1318.3 124 -42.2 42.2
ASPA e S 295.20 1.00 0.40 298.99 -3.79 1318.3 124 -40.3 40.3
MRWA e S 330.80 0.50 0.46 340.44 -9.64 1515.4 207 -40.3 40.3
Velocity Ratios
FITZ
FITZ 1.74
0.02