Phase Data

Explanation of Parameters


     20 APR 2013  (110)

     ot  = 08:55:45.06   +/-   2.82              OFFSHORE EL SALVADOR            
     lat =      12.571   +/-   15.4
     lon =     -88.700   +/-   11.9              MAGNITUDE 4.5 (GS)       
     dep =        35.2   +/-    3.3   

     115 km (71 miles) SSW of San Miguel, El Salvador (pop 183,000)
     137 km (85 miles) SSE of SAN SALVADOR, El Salvador (pop 507,000)
     166 km (103 miles) SE of Acajutla, El Salvador
     1351 km (839 miles) ESE of MEXICO CITY, D.F., Mexico

     nph =   24 of  89    se = 1.39    FE=076                            A   

     error ellipse = (207.0,  0.0, 25.4;117.0,  1.0, 16.0;327.0, 88.0,  5.0)

 mb = 4.5 ( 80)  ML = 0.0 (  0)  mblg = 3.4 (  6)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 CSGN ePn     08:56:06.60   1.4    1.2  70 g:6.6-1 1.0 3.7                   CSGN
 TGUH ePn     08:56:18.47   1.6    2.0  43                                   TGUH
 ESTN ePn     08:56:21.89   0.8    2.3  77                                   ESTN
 JTS  ePn     08:56:48.90   0.6    4.3 121 g:1.0-1 1.1 3.5                   JTS 
 ESPN ePn     08:56:49.16   0.9    4.3  95 g:1.2-1 1.3 3.6                   ESPN
 CCIG ePn     08:56:59.54   2.1    5.0 318 g:5.0-2 1.1 3.2                   CCIG
 HDC  ePn     08:57:01.91   1.7    5.2 119 g:6.0-2 .80 3.3                   HDC 
 TLIG ePn     08:58:17.17   0.6   10.7 299                                   TLIG
 ZAIG ePn     08:59:35.38  -0.6   16.6 309 b:6.5+0 1.0 3.7                   ZAIG
 SDV  ePn     08:59:53.95  -0.4   18.1 100 b:6.6+0 .85 3.8                   SDV 
 HKT  eP      08:59:56.63  -1.8   18.5 340 b:5.4+0 1.1 3.7                   HKT 
 833A eP      08:59:57.15  -2.1   18.6 329 b:1.5+1 1.0 4.1                   833A
 BANI eP      08:59:59.63   0.1   18.6  70                                   BANI
 VBMS eP      09:00:09.65  -0.9   19.6 355 b:3.3+1 .75 4.7                   VBMS
 435B eP      09:00:10.00  -3.6X  19.9 337 b:4.5+1 .70 4.9                   435B
 NATX eP      09:00:12.97  -0.3   19.9 345 b:1.3+1 .60 4.4                   NATX
 147A eP      09:00:14.70  -0.1   20.0   1 b:4.2+1 .55 5.0                   147A
 JCT  eP      09:00:17.42  -3.5X  20.6 332 b:1.3+1 .80 4.3                   JCT 
 WHTX eP      09:00:21.30  -3.6X  20.9 339 b:1.5+1 .65 4.5                   WHTX
 Z41A eP      09:00:24.62  -0.1X  20.9 350 b:1.2+1 .55 4.5                   Z41A
 HPIG eP      09:00:26.46  -3.5X  21.4 314 b:5.4+0 .70 4.1                   HPIG
 GOGA eP      09:00:28.47  -0.1   21.3  12 b:1.3+1 .80 4.4                   GOGA
 WLAR eP      09:00:29.23  -0.6   21.4 350 b:1.6+1 .78 4.5                   WLAR
 TX31 eP      09:00:29.95  -3.7X  21.7 322                                   TX31
      eP      09:00:30.57  -2.9X
 CCAR eP      09:00:31.61   1.5X  21.4 353 b:3.4+1 .84 4.8                   CCAR
 X40A eP      09:00:36.05  -1.7X  22.1 351 b:5.4+0 .90 4.0                   X40A
 MIAR eP      09:00:36.75  -2.9X  22.3 349 b:3.4+1 .85 4.8                   MIAR
 ABTX eP      09:00:37.05  -2.9X  22.3 335 b:1.2+1 .70 4.5                   ABTX
 UALR eP      09:00:38.29  -1.7X  22.3 352 b:2.1+1 .80 4.6                   UALR
 W41B eP      09:00:42.60  -1.4X  22.7 353 b:1.7+1 1.0 4.4                   W41B
 WHAR eP      09:00:43.71  -1.5   22.8 352 b:2.1+1 .80 4.7                   WHAR
 W39A eP      09:00:44.30  -2.4X  23.0 349 b:2.0+1 .95 4.6                   W39A
 V48A eP      09:00:46.37  -1.8X  23.1   4 b:1.1+1 .65 4.5                   V48A
 TKL  eP      09:00:48.95  -2.2X  23.4  10 b:1.5+1 .80 4.5                   TKL 
 WMOK eP      09:00:52.14  -3.4X  23.9 339 b:6.0+0 .85 4.1                   WMOK
 V53A eP      09:00:52.35  -0.6X  23.6  12 b:1.1+1 .70 4.5                   V53A
 HHAR eP      09:00:53.74  -3.5X  24.1 350 b:1.2+1 .70 4.5                   HHAR
 TUL1 eP      09:00:53.97  -3.5X  24.1 346 b:1.0+1 .70 4.5                   TUL1
 PBMO eP      09:00:54.79  -3.1X  24.1 357 b:1.9+1 .70 4.7                   PBMO
 MNTX eP      09:00:56.47  -4.3X  24.5 324 b:3.6+0 1.1 3.8                   MNTX
 T47A eP      09:00:56.72  -3.0X  24.4   3 b:1.9+1 .65 4.8                   T47A
 T49A eP      09:00:59.02  -2.9X  24.6   6 b:9.8+0 .70 4.5                   T49A
 MSTX eP      09:01:00.22  -4.3X  24.9 331 b:1.3+1 .80 4.6                   MSTX
 CLNB eP      09:01:02.71   5.6X  24.0 327                                   CLNB
 AMTX eP      09:01:03.67  -3.4X  25.1 334 b:1.4+1 .65 4.7                   AMTX
 CCM  eP      09:01:06.53  -3.4X  25.5 355 b:4.2+1 .70 5.1                   CCM 
 WCI  eP      09:01:08.31  -3.1X  25.6   4 b:1.5+1 .60 4.8                   WCI 
 319A eP      09:01:21.50   0.8   26.6 318 b:5.2+0 1.0 4.1                   319A
 T25A eP      09:01:33.47  -1.5X  28.2 333 b:6.6+0 .80 4.4                   T25A
 TUC  eP      09:01:36.07   1.2   28.2 318 b:2.4+0 1.0 3.8                   TUC 
 L40A eP      09:01:42.35  -3.3X  29.5 356 b:1.5+1 .70 4.8                   L40A
 S22A eP      09:01:46.42  -3.0X  29.8 330 b:1.9+0 .70 4.0                   S22A
 I39A eP      09:01:57.80  -3.8X  31.3 356 b:2.0+1 1.1 4.8                   I39A
 PV03 eP      09:01:59.23  -2.5X  31.2 329 b:2.3+0 .86 4.0                   PV03
 PV12 eP      09:01:59.39  -2.5X  31.3 329 b:4.6+0 .72 4.4                   PV12
 PV17 eP      09:01:59.47  -2.9X  31.3 328 b:5.0+0 .78 4.4                   PV17
 I41A eP      09:01:59.55  -3.1X  31.4 358 b:2.0+1 .90 4.9                   I41A
 PV11 eP      09:01:59.88  -2.2X  31.3 329 b:4.0+0 .60 4.4                   PV11
 PV04 eP      09:02:00.15  -2.7X  31.4 329 b:4.1+0 .74 4.3                   PV04
 SPMN eP      09:02:10.35  -4.0X  32.7 355 b:3.7+1 .50 5.5                   SPMN
 MTPU eP      09:02:14.29  -2.0X  32.9 325 b:1.5+0 .74 4.0                   MTPU
 SRU  eP      09:02:14.57  -0.3X  32.8 328 b:2.3+0 .72 4.2                   SRU 
      eS      09:07:28.86  S res =  -0.7X
 P17A eP      09:02:15.61  -2.6X  33.1 328 b:3.9+0 .64 4.4                   P17A
 TCRU eP      09:02:20.77  -0.1X  33.4 325 b:4.3+0 .44 4.7                   TCRU
 RSSD eP      09:02:25.96  -0.6   34.1 340 b:5.7+0 .75 4.6                   RSSD
 EYMN eP      09:02:32.72  -4.3X  35.3 357 b:1.1+1 .70 4.9                   EYMN
 AGMN eP      09:02:39.61  -4.0X  36.1 352 b:1.2+1 .70 4.9                   AGMN
 REDW eP      09:02:40.96  -3.4X  36.1 332 b:6.5+0 .65 4.7                   REDW
 SNOW eP      09:02:41.41  -3.2X  36.2 332 b:7.0+0 .70 4.7                   SNOW
 MDND eP      09:02:41.97  -3.5X  36.3 348 b:2.6+1 .75 5.2                   MDND
 LOHW eP      09:02:42.01  -3.0X  36.2 333 b:3.2+0 .75 4.3                   LOHW
 TPAW eP      09:02:43.01  -2.6X  36.3 332 b:3.4+0 .75 4.3                   TPAW
 MOOW eP      09:02:43.19  -3.3X  36.4 333 b:1.4+0 .85 3.9                   MOOW
 IMW  eP      09:02:46.84  -1.4X  36.6 333 b:2.0+0 .65 4.2                   IMW 
 NV01 eP      09:02:47.40  -2.6   36.8 320                                   NV01
 YMR  eP      09:02:52.39  -1.1X  37.2 334 b:4.1+0 .92 4.3                   YMR 
 ULM  eP      09:02:55.22  -4.6X  38.0 353 b:5.4+0 .70 4.5                   ULM 
 MCMT eP      09:02:59.43  -2.2X  38.2 332                                   MCMT
 DGMT eP      09:02:59.54  -0.5X  38.0 343 b:1.6+1 .75 5.0                   DGMT
 EGMT eP      09:03:08.92  -3.2X  39.5 338 b:4.4+0 .75 4.3                   EGMT
 FFC  eP      09:03:39.94  -3.6X  43.3 349 b:3.5+0 .65 4.3                   FFC 
 FCC  eP      09:04:03.50  -3.4X  46.3 356 b:3.4+0 .85 4.3                   FCC 
 CBYP eSn     09:05:10.13   3.7X  22.7  73                                   CBYP
 RES  eP      09:05:59.09  -3.5X  62.2 358 b:1.2+0 .70 4.2                   RES 
 INK  eP      09:06:02.20  -4.0X  62.7 343 b:3.0+0 .95 4.4                   INK 
 IL1  eP      09:06:26.49   2.5   65.4 336                                   IL1 
 PHWY eS      09:07:23.24   2.8X  32.2 336                                   PHWY



 Generated 2013 APR 20 at 11:07 UTC

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