USGS EVENT

Middle American Seismograph Consortium


USGS Solution

7 APR 2002 ( 97) AAAM ot = 18:34:37.42 +/- 0.70 REVILLA GIGEDO ISLANDS REGION lat = 19.644 +/- 8.3 lon = -109.289 +/- 6.1 MAGNITUDE 4.9 (GS) dep = 10.0 (geophysicist) nph = 74 of 82 se = 0.99 A error ellipse = ( 24.6,114.6, 0.0; 0.0, 0.0, 0.0; 11.5, 7.0, 0.0) mb = 4.9 ( 33) ML = 0.0 ( 0) mblg = 3.7 ( 21) md = 0.0 ( 0) MS = 4.4 ( 3 sta phase arrival res dist azm amp per mag amp per mag sta LTX eP 18:37:16.90 0.1 10.9 27 g:2.8-2 1.2 3.4 b:2.7+0 1.2 4.5X LTX TUC eP 18:37:40.99 0.3 12.7 354 g:4.8-2 1.3 3.7 b:2.0+0 1.0 4.3X TUC JCT eP 18:37:56.89 1.6 13.8 37 g:1.6-2 .95 3.4 b:6.2+2 2.5 6.0X JCT GLA eP 18:38:01.69 0.4 14.2 341 GLA BAR eP 18:38:04.59 -1.0 14.6 334 BAR PFO eP 18:38:15.67 0.4 15.3 337 g:5.2-2 1.0 4.0 b:5.2+1 1.0 4.8 PFO ANMO eP 18:38:18.61 1.4 15.5 9 g:1.9-2 1.0 3.5 b:6.2+0 1.7 3.6X ANM HKT eP 18:38:22.55 -0.8 15.9 47 g:1.6-1 1.7 4.3X b:1.6+2 1.7 4.9 HKT WUAZ eP 18:38:24.61 1.3 15.9 354 g:2.9-2 .98 3.8 b:1.9+2 1.8 4.9 WUA MWC eP 18:38:31.49 1.0 16.5 334 MWC PAS qP 18:38:32.90 2.8X 16.5 333 g:2.5-2 1.0 3.7 b:1.7+2 2.0 4.8 PAS MTPC eP 18:38:33.59 0.1 16.7 342 MTP GSC eP 18:38:35.48 -0.8 17.0 338 GSC ABL eP 18:38:42.54 -1.0 17.5 332 ABL WMOK eP 18:38:45.05 -0.4 17.7 30 g:1.5-2 1.0 3.5 b:3.2+2 2.5 5.0 WMO TPNV eP 18:38:52.58 -0.2 18.3 342 g:2.5-2 .90 3.8 b:2.4+2 1.9 5.0 TPN PV01 eP 18:38:54.45 -0.5 18.4 2 PV0 PV10 eP 18:38:57.34 -0.5 18.7 1 PV1 RW3 eP 18:38:58.16 1.2 18.6 4 RW3 PTRM eP 18:38:59.63 2.5X 18.6 331 PTR MSU eP 18:39:02.98 1.5 19.0 353 MSU MVU qP 18:39:05.87 4.4X 19.0 353 MVU MTUM eP 18:39:06.14 -0.8 19.4 337 MTU SRU eP 18:39:06.53 -0.6 19.4 357 SRU SAO eP 18:39:14.05 -0.2 20.1 331 g:9.6-2 1.7 4.2X b:7.6+0 .95 4.0 SAO ISCO eP 18:39:15.94 -1.0 20.3 8 g:2.0-2 1.2 3.7 b:1.4+2 2.0 5.0 ISC NLU eP 18:39:17.23 -0.1 20.4 354 NLU MPU eP 18:39:17.64 0.1 20.4 355 MPU CMB eP 18:39:19.13 -1.4 20.7 335 g:9.3-3 1.0 3.5 b:3.1+1 1.6 4.4 CMB DUG eP 18:39:19.73 -0.8 20.7 352 g:3.8-2 1.0 4.0 b:3.3+2 1.9 5.4 DUG DAU eP 18:39:20.96 -0.5 20.8 356 DAU JLU eP 18:39:21.74 -1.7 21.0 355 JLU CTU eP 18:39:24.87 0.4 21.1 355 CTU LKC eP 18:39:25.45 0.1 21.2 331 LKC BGU eP 18:39:27.24 -1.0 21.5 352 BGU ELK eP 18:39:29.70 -0.5 21.6 348 g:5.4-2 1.5 4.1X b:1.1+2 1.9 5.0 ELK SPUT eP 18:39:31.87 0.5 21.8 354 SPU BMN eP 18:39:32.11 0.4 21.8 344 g:6.5-2 1.5 4.1X BMN HWUT eP 18:39:33.38 -0.1 22.0 355 g:2.2-2 1.1 3.8 b:7.8+1 1.6 4.9 HWU HVU eP 18:39:36.42 0.1 22.3 353 HVU AHID eP 18:39:45.92 1.3 23.1 357 g:1.3-2 .95 3.7 b:9.4+1 1.9 5.0 AHI KIPM eP 18:39:50.34 1.8 23.5 332 KIP REDW eP 18:39:50.61 0.3 23.7 357 RED CCM eP 18:39:52.59 -1.8 24.1 37 g:1.1-2 1.0 3.6 b:4.2+0 1.1 3.9 CCM HAYW eP 18:39:52.88 0.0 23.9 358 HAY PLAL eP 18:39:54.52 -0.4 24.2 46 g:5.6-2 1.4 4.2X b:5.6+1 1.4 5.0 PLA MOD eP 18:39:55.87 1.8 24.1 340 g:6.2-2 1.4 4.2 b:3.8+1 1.2 4.8 MOD HLID eP 18:39:56.53 1.0 24.2 351 g:3.9-2 1.3 4.0 b:3.9+1 1.3 4.8 HLI WVT eP 18:40:03.07 0.3 25.0 44 g:1.1-2 1.0 3.6 b:7.7+1 1.9 5.1 WVT YMR eP 18:40:03.94 1.0 25.0 357 YMR SLM qP 18:40:05.04 1.2 25.1 37 SLM MCMT eP 18:40:07.97 2.2 25.3 354 MCM SWET eP 18:40:10.06 -0.3 25.8 48 SWE BOZ eP 18:40:11.95 -0.4 26.0 356 g:7.8-3 1.0 3.5 b:4.3+0 1.2 4.0 BOZ PINOReP 18:40:12.14 0.3 26.0 341 PIN LCCM eP 18:40:14.53 0.3 26.2 356 LCC HSO qP 18:40:19.18 2.5X 26.5 337 HSO MYNC eP 18:40:20.89 -0.7 27.0 50 g:3.7-2 1.1 4.2 b:3.7+1 1.1 5.0 MYN HRY eP 18:40:21.99 -0.2 27.1 356 HRY WCI eP 18:40:22.76 -0.1 27.2 42 g:1.1-2 .90 3.8 b:7.9+0 .60 4.6 WCI CHMT eP 18:40:24.90 -0.2 27.4 354 CHM SCCK qP 18:40:32.35 3.4X 27.8 51 SCC NEW eP 18:40:41.09 -0.6 29.2 349 g:2.5-2 1.5 4.0X b:2.5+1 1.5 4.8 NEW LR 18:48:31.26 S:1.5+0 20. 4.6 NLW eP 18:40:43.84 -2.4 29.7 345 NLW FCC eP 18:42:17.56 -1.2 40.6 12 b:2.1+1 1.1 4.8 FCC DLBC eP 18:42:29.07 2.1 41.6 344 DLB YKW3 eP 18:42:38.02 -0.6 43.0 356 YKW PMR eP 18:43:35.77 0.3 50.2 337 b:2.3+1 1.4 5.0 PMR LR 18:58:29.86 S:4.1-1 22. 4.4 INK eP 18:43:40.04 -0.8 51.0 349 b:3.1+1 1.1 5.1 INK SPU eP 18:43:42.35 0.1 51.1 335 SPU MCK eP 18:43:44.59 -0.7 51.5 339 b:2.3+1 1.8 4.8 MCK PTGA eP 18:43:53.66 1.1 52.4 107 b:1.1+1 1.2 4.6 PTG LR 18:59:31.61 S:4.0-1 22. 4.4 TTA eP 18:44:00.60 -0.6 53.6 336 b:4.6+0 .80 4.5 TTA IMA eP 18:44:06.43 -1.5 54.6 339 b:4.8+1 1.2 5.4 IMA RES eP 18:44:13.83 -1.4 55.6 5 b:6.1+0 1.1 4.5 RES TNA eP 18:44:42.02 -0.6 59.5 336 b:2.6+0 .68 4.5 TNA BDFB eP 18:45:50.20 0.2 69.7 116 b:1.3+1 1.3 4.9 BDF BILL eP 18:45:50.37 0.2 69.9 337 BIL YAK qP 18:47:22.13 1.9 86.2 336 b:6.1+0 .50 5.0 YAK Generated 2002 APR 7 at 20:39 UTC


Epicentral Map


Waveforms


20020407183437.42.USGS