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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     19 JUL 2007  (200)

     ot  = 11:40:38.02   +/-   0.62              OFFSHORE EL SALVADOR            
     lat =      12.504   +/-    9.2
     lon =     -88.197   +/-    7.0              MAGNITUDE 4.6 (GS)       
     dep =        67.2  (depth phases)

     105 km (65 miles) S of San Miguel, El Salvador (pop 159,000)
     110 km (70 miles) W of Chinandega, Nicaragua (pop 97,000)
     170 km (105 miles) SE of SAN SALVADOR, El Salvador
     1395 km (870 miles) ESE of MEXICO CITY, D.F., Mexico

     nph =   54 of  60    se = 0.82    FE=076                            A   

     error ellipse = (205.9,  0.0, 12.8;115.9,  0.0,  8.1;  0.0,  0.0,  0.0)

 mb = 4.6 ( 19)  ML = 0.0 (  0)  mblg = 0.0 (  0)  md = 4.5 (  1)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 TGUH ePn     11:41:06.19  -0.6    1.8  30 d:2.3+2     4.5  L:6.9+0 .70 4.3X TGUH
 TEIG ePn     11:42:28.50   1.3    7.7 359                                   TEIG
 SDV  eP      11:44:39.78   0.3   17.6 100                                   SDV 
 JCT  eP      11:45:13.96  -0.7   20.9 331 b:2.1+1 .90 4.5                   JCT 
 GOGA eP      11:45:20.96   2.2   21.3  11                                   GOGA
 PLAL eP      11:45:28.66  -2.0   22.4   0 b:2.8+1 1.8 4.4                   PLAL
 MIAR eP      11:45:30.52  -1.2   22.5 348 b:1.8+1 .95 4.5                   MIAR
 TKL  eP      11:45:41.58   0.6   23.4   9                                   TKL 
 WMOK eP      11:45:46.72  -1.0   24.1 338 b:1.8+1 1.2 4.4                   WMOK
 TZTN eP      11:45:49.12  -0.1   24.3   9                                   TZTN
 GDL2 eP      11:45:51.98  -0.1   24.6 325                                   GDL2
 AMTX eP      11:45:58.68  -0.8   25.4 333 b:2.5+1 .75 4.8                   AMTX
 CCM  eP      11:45:59.74  -1.2   25.6 354                                   CCM 
      epP     11:46:16.36  depth =  72.0 
 BNM  eP      11:46:17.47   0.7   27.3 325                                   BNM 
 ANMO eP      11:46:21.44   0.3   27.8 327                                   ANMO
 LAZ  P       11:46:23.18   2.3   27.8 325                                   LAZ 
 TUC  eP      11:46:27.74  -0.4   28.6 317                                   TUC 
 SDCO eP      11:46:36.93   0.6   29.5 331                                   SDCO
 ISCO eP      11:46:51.95   0.3   31.2 334                                   ISCO
      epP     11:47:07.22  depth =  62.5 
 SMCO eP      11:46:52.94   0.2   31.3 331 b:1.3+1 1.2 4.6                   SMCO
 PHWY eP      11:47:01.79  -0.2   32.4 335                                   PHWY
 SRU  eP      11:47:07.50  -0.1   33.1 327                                   SRU 
 ARUT e       11:47:07.76  -6.0X  33.8 323                                   ARUT
      e       11:47:13.15  -0.7X
 RWWY eP      11:47:11.19   0.0   33.5 334 b:1.6+1 1.0 4.9                   RWWY
 DAU  eP      11:47:19.97   0.6   34.4 328                                   DAU 
 DUG  P       11:47:26.15   1.3   35.1 326 b:3.5+0 1.1 4.2                   DUG 
 BW06 eP      11:47:26.61  -1.0   35.4 332 b:7.5+0 1.3 4.4                   BW06
 AHID eP      11:47:34.04   0.4   36.1 331                                   AHID
 REDW eP      11:47:36.50  -0.1   36.4 332                                   REDW
 LOHW eP      11:47:37.03  -0.2   36.5 332 b:1.0+1 .70 4.9                   LOHW
 SNOW eP      11:47:37.03   0.1   36.5 332                                   SNOW
 TPAW eP      11:47:37.75  -0.1   36.6 332                                   TPAW
 MOOW eP      11:47:38.43  -0.3   36.7 332 b:6.1+0 .70 4.6                   MOOW
 RRI2 eP      11:47:38.65   0.2   36.6 331                                   RRI2
 IMW  eP      11:47:39.97  -0.6   36.9 332 b:6.7+0 .85 4.6                   IMW 
 FLWY eP      11:47:41.16   0.4   36.9 333 b:1.7+1 1.0 4.9                   FLWY
 RLMT eP      11:47:42.05  -0.2   37.1 335 b:9.6+0 .95 4.7                   RLMT
 YFT  eP      11:47:44.53   0.8   37.3 333                                   YFT 
 GCMT P       11:47:48.22  -0.2   37.9 335                                   GCMT
 QLMT eP      11:47:48.59   0.2   37.8 333                                   QLMT
 DGMT eP      11:47:52.39   0.8   38.2 343                                   DGMT
 HLID eP      11:47:52.47   0.1   38.3 329 b:3.8+1 2.4 4.9                   HLID
 BOZ  eP      11:47:54.25  -0.2   38.6 333 b:7.0+0 1.0 4.5                   BOZ 
 MCMT P       11:47:54.74   0.8   38.5 332                                   MCMT
 DLMT eP      11:47:56.40   0.2   38.8 332                                   DLMT
 LRM  eP      11:47:58.59  -0.2   39.1 333                                   LRM 
 HRY  eP      11:48:02.14   0.0   39.5 334                                   HRY 
 EGMT eP      11:48:04.02   0.1   39.7 337 b:1.2+1 .90 4.8                   EGMT
      epP     11:48:13.79  depth =  32.9X
 CHMT eP      11:48:07.90  -0.7   40.3 333                                   CHMT
 MSO  eP      11:48:10.00  -0.5   40.5 333 b:1.2+1 1.2 4.6                   MSO 
 OD2  P       11:48:31.99   0.0   43.2 330                                   OD2 
 HOOD eP      11:48:34.52   0.8   43.3 325 b:1.4+1 .88 4.8                   HOOD
 JCW  P       11:48:47.59  -1.6   45.3 328                                   JCW 
 GNW  eP      11:48:48.86  -0.8   45.4 327                                   GNW 
 NLWA         11:48:49.92  -3.4X  45.8 326                                   NLWA
 BDFB eP      11:49:15.20  -0.3   48.6 124                                   BDFB



 Generated 2007 JUL 19 at 12:05 UTC

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

 


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