Phase Data

Explanation of Parameters


     31 MAR 2013  ( 90)

     ot  = 05:40:12.16   +/-   2.04              TARAPACA, CHILE                 
     lat =     -20.668   +/-    5.8
     lon =     -69.042   +/-   15.3              MAGNITUDE 4.3 (GS)       
     dep =       105.6   +/-    7.1   

     128 km (79 miles) ESE of Iquique, Tarapaca, Chile (pop 164,000)
     197 km (123 miles) NE of Tocopilla, Antofagasta, Chile
     199 km (124 miles) N of Calama, Antofagasta, Chile
     1425 km (885 miles) N of SANTIAGO, Region Metropolitana, Chile

     nph =   45 of  54    se = 1.01    FE=123                            A   

     error ellipse = (279.0,  8.0, 23.9;177.0, 54.0, 12.1; 15.0, 33.0,  4.9)

 mb = 4.3 (  1)  ML = 0.0 (  0)  mblg = 0.0 (  0)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 PB01 ePn     05:40:29.56   0.5    0.6 228                                   PB01
      eSn     05:40:42.52  S res =   0.7 
 PB11 ePn     05:40:32.96  -1.0    1.1 327                                   PB11
      eSn     05:40:49.82  S res =  -0.6 
 GO01 ePn     05:40:34.31   0.7    1.0 352                                   GO01
      eSn     05:40:50.35  S res =   0.6 
 MNMC ePn     05:40:40.50   0.1    1.6 341                                   MNMC
      eSn     05:41:01.79  S res =  -0.1 
 LVC  ePn     05:40:44.60   0.0X   1.9 176                                   LVC 
      eSn     05:41:13.46  S res =   4.2X
 PB04 ePn     05:40:44.96   0.4    2.0 212                                   PB04
      eSn     05:41:08.48  S res =  -0.8 
 PB10 ePn     05:40:59.36  -0.9    3.2 206                                   PB10
 GO02 ePn     05:41:18.75   0.2    4.5 186                                   GO02
 LPAZ ePn     05:41:20.47   2.5    4.4  11                                   LPAZ
 GO03 ePn     05:41:52.17   0.3    7.0 189                                   GO03
      eSn     05:43:07.22  S res =  -2.7 
 GO04 ePn     05:42:24.52  -3.0    9.6 189                                   GO04
 CPUP ePn     05:43:01.51   0.1   12.1 120                                   CPUP
 GO06 eP      05:44:27.42   2.1   19.0 186 b:1.1+1 .95 4.2                   GO06
 PLCA eP      05:44:37.13   0.2   20.0 183 b:1.0+1 1.0 4.1                   PLCA
 BDFB eP      05:44:42.13  -0.9   20.6  79 b:1.2+1 .84 4.3                   BDFB
 PTGA eP      05:44:52.94  -1.9   21.7  25 b:8.3+0 .35 4.5                   PTGA
 MNTX eP      05:50:24.46  -1.1   62.6 325 b:3.7+0 1.2 4.2                   MNTX
 X43A epP     05:50:24.70  -0.5X  58.7 339                                   X43A
 319A eP      05:50:38.13  -0.2   64.6 322 b:6.1+0 .80 4.6                   319A
 SDCO eP      05:50:56.81  -0.3   67.5 329                                   SDCO
      epP     05:51:19.25  depth =  -4.5X
 DBIC eP      05:51:03.49  -0.9   68.6  74 b:9.8+0 .75 4.8                   DBIC
 WUAZ eP      05:51:05.36   0.2   68.8 324 b:5.0+0 .90 4.4                   WUAZ
 SMCO eP      05:51:08.39  -0.2   69.3 329 b:5.8+0 1.5 4.2                   SMCO
      eS      06:00:10.31  S res =   3.2X
 U15A eP      05:51:12.63   0.1   70.0 324 b:3.7+0 .85 4.2                   U15A
 SRU  eP      05:51:17.50  -1.3   71.0 327 b:4.3+0 .78 4.3                   SRU 
 LCMT eP      05:51:17.99  -0.1   70.9 324 b:2.3+0 .94 4.0                   LCMT
 KNB  eP      05:51:18.23   1.4   70.7 324 b:1.1+1 1.1 4.6                   KNB 
 MTPU eP      05:51:18.71  -0.7   71.1 325 b:9.6+0 1.6 4.4                   MTPU
 CCUT eP      05:51:20.55  -0.4   71.4 324 b:4.3+0 .84 4.3                   CCUT
 P17A eP      05:51:21.30   0.2   71.4 327 b:3.8+0 .90 4.2                   P17A
 MSU  eP      05:51:22.59   1.3   71.4 326                                   MSU 
 PSUT eP      05:51:27.66   0.9   72.3 325 b:2.2+0 .64 4.1                   PSUT
 TPNV eP      05:51:29.40   1.3   72.6 322 b:5.4+0 1.2 4.2                   TPNV
 IMW  eP      05:51:41.03  -0.4   74.8 330 b:1.8+1 2.0 4.6                   IMW 
 FLWY eP      05:51:42.56   1.1   74.9 330 b:2.9+1 1.9 4.8                   FLWY
 YHH  eP      05:51:46.46   1.4   75.5 331 b:4.8+0 1.0 4.2                   YHH 
 PAHR eP      05:51:48.08  -1.3   76.3 322 b:4.9+0 .92 4.3                   PAHR
 HLID eP      05:51:49.89   0.4   76.3 328 b:2.6+0 .95 4.0                   HLID
 TOA0 eP      05:51:54.00  -1.0   77.2  71                                   TOA0
      eP      05:51:54.68  -0.3 
      epP     05:52:23.82  depth =   0.6X
 JCC  eP      05:52:11.74   3.7X  79.7 321 b:2.0+2 1.8 5.6                   JCC 
 YKB5 eP      05:53:00.52  -0.5   90.4 341                                   YKB5
      epP     05:53:28.44  depth =  -1.1X
 BANI eS      05:53:20.13   2.6X  38.8 358                                   BANI



 Generated 2013 MAR 31 at 07:06 UTC

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