Phase Data

Explanation of Parameters


     19 MAR 2013  ( 78)

     ot  = 11:41:56.10   +/-   1.85              ATACAMA, CHILE                  
     lat =     -27.892   +/-    7.6
     lon =     -69.463   +/-   15.6              MAGNITUDE 4.7 (GS)       
     dep =        10.0  (geophysicist)

     104 km (64 miles) SE of Copiapo, Atacama, Chile (pop 125,000)
     148 km (92 miles) ENE of Vallenar, Atacama, Chile (pop 43,000)
     241 km (150 miles) W of Belen, Catamarca, Argentina
     627 km (389 miles) N of SANTIAGO, Region Metropolitana, Chile

     nph =   30 of  43    se = 0.91    FE=123                            A   

     error ellipse = (280.0,  0.0, 20.8; 10.0,  1.0,  9.5;169.0, 88.0,  2.9)

 mb = 4.7 ( 24)  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
 LCO  ePn     11:42:23.86  -0.3    1.6 224                                   LCO 
      eSn     11:42:44.04  S res =  -0.5 
 GO04 ePn     11:42:39.36   1.5    2.6 207                                   GO04
      eSn     11:43:12.05  S res =   2.9 
 GO02 ePn     11:42:40.66   0.5    2.7 358                                   GO02
      eSn     11:43:16.85  S res =   3.5 
 PB10 ePn     11:43:03.98   0.0    4.5 347                                   PB10
 ROC1 ePn     11:43:15.45   0.7    5.2 194                                   ROC1
 LVC  ePn     11:43:16.48   1.1    5.3   6                                   LVC 
 PEL  ePn     11:43:17.91   2.0    5.3 191                                   PEL 
 PB04 ePn     11:43:19.18  -0.1    5.6 353                                   PB04
 PB01 ePn     11:43:36.32   0.0    6.8 360                                   PB01
 GO05 ePn     11:43:44.45   0.2    7.4 196                                   GO05
 PB11 ePn     11:43:52.40  -1.5    8.1 359                                   PB11
 MNMC ePn     11:44:01.24  -1.4    8.7 359                                   MNMC
 CPUP ePn     11:44:34.10   1.6   10.9  85                                   CPUP
 LPAZ ePn     11:44:42.41  -0.2   11.6   6                                   LPAZ
 GO06 ePn     11:44:44.57   0.2   11.8 188                                   GO06
 GO07 ePn     11:45:35.46  -0.1   15.6 192 b:1.0+2 .85 5.1                   GO07
 EFI  eP      11:47:20.70  -1.6   25.3 163 b:6.1+1 .95 5.3                   EFI 
 GO10 eP      11:47:21.82  -0.6   25.3 182 b:7.3+1 1.3 5.2                   GO10
 PTGA eP      11:47:50.11  -1.7   28.5  20 b:1.4+1 1.2 4.6                   PTGA
 SNAA eP      11:51:36.82  -1.0   56.5 160 b:1.3+1 1.0 4.9                   SNAA
 QSPA eP      11:52:18.89   0.4   62.3 180 b:2.9+1 .85 5.5                   QSPA
 DBIC eP      11:53:14.98  -0.3   71.1  72 b:1.8+1 1.0 5.1                   DBIC
 U15A eP      11:53:43.87   2.3X  75.6 326 b:8.1+0 1.6 4.5                   U15A
 KNB  eP      11:53:48.49   2.9X  76.3 326 b:8.0+0 1.2 4.7                   KNB 
 SRU  eP      11:53:49.20   0.6   76.9 328 b:3.9+0 1.0 4.4                   SRU 
 O20A eP      11:53:49.35   1.8X  76.7 330 b:1.9+1 1.5 4.9                   O20A
 MTPU eP      11:53:50.38   1.8X  76.8 327 b:2.7+0 1.0 4.3                   MTPU
 CCUT eP      11:53:52.16   2.6X  77.0 326 b:3.2+0 .94 4.4                   CCUT
 PSUT eP      11:53:57.14   2.0X  78.0 326 b:3.1+0 .82 4.4                   PSUT
 DUG  eP      11:54:00.34   1.0   78.8 328 b:3.9+0 1.2 4.3                   DUG 
 R11A eP      11:54:01.07   2.0X  78.8 325 b:8.5+0 1.6 4.5                   R11A
 TOA0 eP      11:54:04.27  -2.0   80.0  70                                   TOA0
      eP      11:54:05.72  -0.5 
 AHID eP      11:54:07.44   1.2X  80.1 330 b:3.3+0 .80 4.4                   AHID
 ELK  eP      11:54:09.32   1.2X  80.4 326 b:1.4+0 .75 4.0                   ELK 
 PNTR eP      11:54:14.66   1.2   81.4 323 b:3.4+0 .68 4.5                   PNTR
 YMR  eP      11:54:16.12   2.1X  81.6 331 b:1.4+1 1.5 4.8                   YMR 
 YHH  eP      11:54:16.27   1.9X  81.6 332 b:1.4+1 1.6 4.8                   YHH 
 HLID eP      11:54:19.10   1.7X  82.2 329 b:8.9+0 1.6 4.6                   HLID
 SMRT eS      11:57:05.12  -1.1X  46.1   9                                   SMRT



 Generated 2013 MAR 19 at 12:00 UTC

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