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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     21 MAR 2008  ( 81)

     ot  = 02:29:52.78   +/-   0.74              GULF OF CALIFORNIA              
     lat =      23.267   +/-    7.9
     lon =    -108.703   +/-    7.4              MAGNITUDE 4.3 (GS)       
     dep =        10.0  (geophysicist)

     130 km (80 miles) ENE of Cabo San Lucas, Baja Calif. Sur, Mexico (pop 37,00
     190 km (120 miles) ESE of La Paz, Baja California Sur, Mexico
     215 km (135 miles) SW of Culiacan, Sinaloa, Mexico
     1080 km (670 miles) WNW of MEXICO CITY, D.F., Mexico

     nph =   69 of  77    se = 1.09    FE=049                            A   

     error ellipse = (219.3,  0.0, 11.6;129.3,  0.0,  8.0;  0.0,  0.0,  0.0)

 mb = 4.2 ( 44)  ML = 0.0 (  0)  mblg = 3.2 ( 16)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 TXAR Pn      02:31:39.80  -3.2    7.5  36                                   TXAR
      Pg      02:32:06.81 -10.5X
      Lg      02:33:44.03
 MNTX ePn     02:31:57.01  -4.5X   8.9  19 d:2.7+2     7.4X L:2.3-2 1.7 3.9X MNTX
                                           g:1.3-2 1.1 2.9  b:1.3+1 1.1 5.2X
 TUC  ePn     02:32:04.76  -0.8    9.2 349                                   TUC 
 JCT  ePn     02:32:27.29   1.0   10.7  46                                   JCT 
 BNM  ePn     02:32:29.53  -0.9   11.0   9 g:2.0-3 .82 2.4  b:1.9+0 .72 4.5X BNM 
 LAZ  ePn     02:32:31.76  -1.1   11.2   7 g:4.0-3 1.1 2.6  b:4.0+0 1.1 4.6X LAZ 
 ANMO ePn     02:32:41.53   0.1   11.8   9                                   ANMO
 WUAZ ePn     02:32:50.09   0.2   12.4 350                                   WUAZ
 LDFC ePn     02:32:59.44   1.4   13.0 336                                   LDFC
 HKT  ePn     02:33:01.65   0.1   13.3  57                                   HKT 
 MVCO ePn     02:33:12.08   2.1   13.9   1                                   MVCO
 SHPR ePn     02:33:18.19   2.3   14.3 339                                   SHPR
 CCUT ePn     02:33:23.32   1.1   14.8 345                                   CCUT
 SDCO ePn     02:33:27.80   6.9X  14.7  10                                   SDCO
 MSU  ePn     02:33:30.71  -0.8   15.5 350 g:4.4-3 1.0 2.9  b:1.2+1 1.4 4.0  MSU 
 SRU  ePn     02:33:36.47   0.0   15.9 355 g:5.1-3 .98 3.0  b:1.3+1 1.3 3.9  SRU 
 TMUT ePn     02:33:41.33   1.5   16.1 353 b:3.1+1 1.6 4.2                   TMUT
 ISCO ePn     02:33:48.49   1.4   16.7   8 b:1.9+1 1.3 4.1                   ISCO
 DAU  ePn     02:33:53.98   0.1   17.2 353                                   DAU 
 NVAR Pn      02:33:54.67   1.3   17.2 334                                   NVAR
 DUG  ePn     02:33:55.63   1.9   17.2 349 b:1.4+1 1.2 4.0                   DUG 
 CBKS ePn     02:33:56.60   2.4   17.3  24 b:1.2+1 .75 4.1                   CBKS
 JLU  ePn     02:33:57.22   0.8   17.4 353 b:3.0+1 1.7 4.1                   JLU 
 MPU  eP      02:33:57.84   8.4X  16.9 352 b:1.7+1 1.1 4.1                   MPU 
 WAKR ePn     02:34:01.69   1.6   17.7 331                                   WAKR
 BGU  eP      02:34:02.76  -0.3   18.0 349 g:1.2-3 1.0 2.5  b:9.2+0 1.7 3.6  BGU 
 ELK  eP      02:34:05.78  -1.0   18.3 344 g:5.3-3 1.0 3.1  b:5.3+0 1.0 3.7  ELK 
 M13A eP      02:34:10.72   0.2   18.6 347 b:9.2+0 1.2 3.8                   M13A
 HVU  eP      02:34:11.65  -0.6   18.8 351 b:1.4+1 .98 4.1                   HVU 
      ePn     02:34:18.00   5.3X
 PDAR P       02:34:18.60  -1.3   19.5 358                                   PDAR
 BW06 eP      02:34:18.69  -1.2   19.5 358 b:7.7+0 .95 4.0                   BW06
 RRI2 eP      02:34:26.84  -0.6   20.1 354 b:1.5+1 1.0 4.3                   RRI2
 REDW eP      02:34:27.31   0.2   20.1 355 b:2.8+1 1.5 4.4                   REDW
 TPAW eP      02:34:28.10  -0.5   20.3 355 b:1.2+1 1.1 4.1                   TPAW
 SNOW eP      02:34:28.31   0.2   20.2 356 b:8.2+0 .75 4.1                   SNOW
 LOHW eP      02:34:28.89  -0.7   20.4 356 b:8.0+1 2.4 4.6                   LOHW
 IMW  eP      02:34:32.18  -0.8   20.7 355 g:1.5-2 1.1 3.6  b:1.5+1 1.1 4.2  IMW 
 HLID eP      02:34:33.42  -0.8   20.8 348 b:1.0+1 1.2 4.1                   HLID
 WVOR eP      02:34:33.47  -1.2   20.8 339 g:1.4-2 1.3 3.5  b:1.4+1 1.3 4.1  WVOR
 MOD  eP      02:34:36.21   0.1   21.0 335                                   MOD 
 RSSD eP      02:34:37.67  -0.6   21.2   9 b:3.7+0 .90 3.8                   RSSD
 LKWY eP      02:34:40.38   0.6   21.3 357 b:2.1+1 1.1 4.4                   LKWY
 YNR  eP      02:34:42.07   0.5   21.5 356 b:2.2+1 1.3 4.4                   YNR 
 QLMT eP      02:34:44.03   0.7   21.6 355                                   QLMT
 RLMT eP      02:34:44.53  -0.4   21.8 359 b:1.0+1 1.0 4.2                   RLMT
 MCMT eP      02:34:45.22   0.3   21.8 352 g:4.6-3 1.0 3.2  b:5.8+0 1.1 3.9  MCMT
 WVT  eP      02:34:49.86   1.1   22.1  50 b:6.4+0 .85 4.1                   WVT 
 GCMT eP      02:34:51.54  -0.9   22.5 358 g:1.0-2 1.0 3.5  b:1.0+1 1.0 4.3  GCMT
 BOZ  eP      02:34:52.03  -0.1   22.5 355 b:1.8+1 1.6 4.3                   BOZ 
 DLMT eP      02:34:53.04   2.9X  22.3 353 b:8.7+0 1.2 4.1                   DLMT
 BMO  eP      02:34:53.17  -1.0   22.7 344 b:3.8+0 1.0 3.8                   BMO 
 LRM  eP      02:34:53.78  -1.1   22.7 353 g:1.4-2 1.0 3.7  b:2.1+1 1.2 4.5  LRM 
 ECSD eP      02:34:55.14   0.4   22.7  23 b:7.4+1 2.1 4.8                   ECSD
 LAO  eP      02:35:01.39  -1.2   23.5   4 g:1.7-2 1.0 3.8  b:1.3+1 .95 4.5  LAO 
 HRY  eP      02:35:03.48   0.1   23.5 355                                   HRY 
 CHMT eP      02:35:05.68  -1.0   23.9 352 g:3.1-3 1.1 3.0  b:1.1+1 1.5 4.2  CHMT
 MSO  eP      02:35:06.82   0.1   23.9 351 b:5.6+0 1.1 4.1                   MSO 
 SLMT eP      02:35:08.55  -1.3   24.2 352 g:1.0-2 1.2 3.5  b:2.5+1 1.6 4.6  SLMT
 CPCT eP      02:35:12.90   2.9X  24.3  55                                   CPCT
 EGMT eP      02:35:13.50  -0.7   24.7 358 b:7.0+1 2.1 5.0                   EGMT
 TKL  P       02:35:17.95   2.1   24.9  55                                   TKL 
 NEW  eP      02:35:23.79  -0.5   25.8 347 b:2.5+0 .82 3.9                   NEW 
 COWI eP      02:35:41.60   0.1   27.7  30 g:1.7-2 1.1 3.9  b:1.7+1 1.1 4.7  COWI
 EYMN eP      02:35:45.47   0.0   28.2  25 b:2.7+1 1.4 4.8                   EYMN
 FCC  eP      02:37:01.42  -0.6   37.0  13 b:6.4-1 1.3 3.2                   FCC 
 DLBC P       02:37:14.40   0.9   38.3 342                                   DLBC
 YKA  P       02:37:21.40  -1.1   39.4 356                                   YKA 
 SCHQ P       02:38:02.42   0.3   44.2  34                                   SCHQ
 INK  P       02:38:28.30   0.2   47.5 348                                   INK 
 TRF  eP      02:38:37.50   0.2   48.7 337 b:5.9+0 .68 4.8                   TRF 
 KTH  eP      02:38:37.95  -1.4   49.0 337 b:5.0+0 .83 4.6                   KTH 
 RES  P       02:39:00.75  -0.9   52.0   5                                   RES 
 LCO  eP      02:40:23.12  -0.9   63.6 143 b:2.9+1 1.4 5.2X                  LCO 
 PLCA P       02:41:23.88   1.8   72.9 151                                   PLCA



 Generated 2008 APR  6 at 05:52 UTC

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver


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