Phase Data

Explanation of Parameters


     10 FEB 2013  ( 41)

     ot  = 07:08:30.50   +/-   1.16              ATACAMA, CHILE                  
     lat =     -27.005   +/-    8.1
     lon =     -70.143   +/-   14.8              MAGNITUDE 4.5 (GS)       
     dep =        66.7   +/-    9.1   

     44 km (28 miles) NNE of Copiapo, Atacama, Chile (pop 125,000)
     181 km (112 miles) S of Taltal, Antofagasta, Chile
     184 km (114 miles) NNE of Vallenar, Atacama, Chile
     716 km (445 miles) N of SANTIAGO, Region Metropolitana, Chile

     nph =   73 of  79    se = 0.57    FE=122                            A   

     error ellipse = ( 91.0,  5.0, 22.7;187.0, 50.0, 16.2;356.0, 39.0,  8.8)

 mb = 4.5 (  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
 GO02 ePn     07:09:02.45   1.4    1.9  15                                   GO02
 LCO  ePn     07:09:02.79  -0.3    2.1 194                                   LCO 
      eSn     07:09:27.96  S res =   0.0 
 GO04 ePn     07:09:18.51  -0.2    3.2 190                                   GO04
      eSn     07:09:55.76  S res =  -0.2 
 PB10 ePn     07:09:21.33  -1.1    3.5 354                                   PB10
 PB04 ePn     07:09:35.99  -2.4    4.7 360                                   PB04
 LVC  ePn     07:09:37.09   0.4    4.5  15                                   LVC 
 PB01 ePn     07:09:54.37  -2.0    6.0   6                                   PB01
 ROC1 ePn     07:09:55.16  -1.7    6.0 187                                   ROC1
 PEL  ePn     07:09:57.01  -1.6    6.1 184                                   PEL 
 PB11 ePn     07:10:13.78   0.1    7.2   4                                   PB11
 MNMC ePn     07:10:19.25  -3.1    7.9   4                                   MNMC
 LPAZ ePn     07:11:02.52  -0.8   10.8  10                                   LPAZ
 CPUP ePn     07:11:13.80   2.2   11.5  90                                   CPUP
 TRQA ePn     07:11:32.34   0.2   13.0 150                                   TRQA
 PLCA ePn     07:11:40.54  -1.1   13.7 181                                   PLCA
 SPB  eP      07:13:05.89  -0.7   20.8  86 b:8.6+0 1.0 4.0                   SPB 
 BDFB eP      07:13:33.75  -0.7   23.5  66 b:1.0+1 1.0 4.2                   BDFB
 PTGA eP      07:14:13.82  -0.5   27.9  22 b:2.6+1 1.4 4.7                   PTGA
 OTAV eP      07:14:16.09  -1.8   28.2 342 b:4.5+0 1.1 4.0                   OTAV
 SWET eP      07:18:53.28  -1.4   63.7 346                                   SWET
 JCT  eP      07:18:55.97   0.2   63.8 332 b:7.7+0 .70 4.8                   JCT 
 TX31 eP      07:19:00.96  -0.1   64.6 328                                   TX31
      eP      07:19:01.14   0.2 
 HHAR ee      07:19:09.86   0.0X  66.8 339 b:2.9+1 1.6 5.0                   HHAR
 MNTX eP      07:19:17.49  -1.1   67.4 328 b:6.3+0 .75 4.7                   MNTX
      epP     07:19:42.60  depth =   5.9X
 FVM  eP      07:19:17.73  -0.9   67.4 343 b:9.3+0 .70 4.9                   FVM 
 CCM  eP      07:19:19.70  -0.8   67.7 342 b:9.0+0 .95 4.7                   CCM 
 319A eP      07:19:29.59   0.4   69.0 325 b:6.7+0 .75 4.7                   319A
 ANMO eP      07:19:38.88   0.3   70.6 329 b:6.3+0 1.9 4.2                   ANMO
 X16A eP      07:19:50.75   0.2   72.5 325 b:2.0+1 1.9 4.7                   X16A
 MVCO eP      07:19:55.49   0.1   73.4 329 b:4.4+0 .90 4.4                   MVCO
 SMCO eP      07:20:01.23   0.2   74.3 331 b:5.7+0 1.1 4.4                   SMCO
 W13A eP      07:20:02.37   1.2   74.3 324 b:2.2+0 .70 4.2                   W13A
 KNB  eP      07:20:07.50   1.0   75.3 326 b:1.1+1 1.2 4.7                   KNB 
 LCMT eP      07:20:08.15   0.5   75.5 326 b:3.1+0 .96 4.2                   LCMT
 MTPU eP      07:20:09.47   0.0   75.8 327 b:3.7+0 .76 4.4                   MTPU
 SRU  eP      07:20:09.80   0.2   75.8 329 b:5.8+0 .72 4.6                   SRU 
 SZCU eP      07:20:10.15   0.3   75.9 326 b:4.4+0 1.1 4.3                   SZCU
 CCUT eP      07:20:10.74   0.3   76.0 326 b:6.1+0 .84 4.6                   CCUT
 MSU  eP      07:20:12.23   0.8   76.1 327                                   MSU 
 PSUT eP      07:20:16.83   0.7   77.0 326 b:4.1+0 .84 4.4                   PSUT
 MPU  eP      07:20:17.06   0.5   77.1 329 b:5.5+0 .94 4.5                   MPU 
 JLU  eP      07:20:19.20   0.4   77.4 329 b:4.6+0 .72 4.5                   JLU 
 CTU  eP      07:20:19.83   0.0   77.7 329 b:2.7+0 .78 4.3                   CTU 
 R11A eP      07:20:20.78   0.6   77.7 325 b:5.5+0 1.5 4.3                   R11A
 DUG  eP      07:20:21.22   0.8   77.8 328 b:4.2+0 .85 4.4                   DUG 
 TCUT eP      07:20:21.51   0.6   77.8 329 b:4.2+1 1.9 5.1                   TCUT
 PD31 eP      07:20:23.81   0.1   78.4 331                                   PD31
 PDAR eP      07:20:23.95   0.2   78.4 331                                   PDAR
 SPUT eP      07:20:24.58   0.2   78.5 329 b:6.9+0 .70 4.7                   SPUT
 HVU  eP      07:20:26.76  -0.4   79.0 329 b:6.0+0 .72 4.6                   HVU 
 AHID eP      07:20:27.46   0.1   79.0 331 b:6.7+0 .75 4.7                   AHID
 ELK  eP      07:20:29.04  -0.2   79.4 327 b:5.2+0 .85 4.5                   ELK 
 REDW eP      07:20:29.22  -0.2   79.4 331 b:1.8+1 1.7 4.7                   REDW
 TPAW eP      07:20:29.74  -0.5   79.5 331 b:6.5+0 1.0 4.5                   TPAW
 LOHW eP      07:20:29.74  -0.2   79.5 331 b:1.2+1 1.5 4.6                   LOHW
 KVN  eP      07:20:29.87  -0.3   79.5 324 b:6.6+0 1.3 4.4                   KVN 
 FXWY eP      07:20:30.70  -0.3   79.7 331 b:2.0+1 1.9 4.7                   FXWY
 IMW  eP      07:20:32.17   0.2   79.9 331 b:2.2+1 1.9 4.8                   IMW 
 RLMT eP      07:20:33.23  -0.3   80.2 333 b:3.7+0 .70 4.4                   RLMT
 TOA0 eP      07:20:33.69  -0.9   80.3  70 b:6.5+0 .60 4.7                   TOA0
      eP      07:20:35.03   0.4 
      epP     07:20:53.20  depth =  -0.2X
 PAHR eP      07:20:36.39   0.0   80.7 324 b:5.1+0 .94 4.4                   PAHR
 YMR  eP      07:20:36.52   1.2   80.5 332 b:1.1+1 .82 4.8                   YMR 
 HLID eP      07:20:39.00   0.3   81.1 329 b:4.2+0 .85 4.4                   HLID
 ORV  eP      07:20:42.49   0.9   81.7 322 b:5.3+0 1.2 4.4                   ORV 
 J08A eP      07:20:48.28   0.4   82.9 327 b:5.1+0 .70 4.6                   J08A
 C09A eP      07:21:03.51  -0.4   86.1 330 b:8.2+0 .55 5.0                   C09A
 AGP  eS      07:23:15.73  -1.8   45.3   4                                   AGP 
 PV03 eS      07:29:26.65  -3.8X  74.4 329                                   PV03
 PV12 eS      07:29:27.30  -3.6X  74.4 329                                   PV12
 PV13 eS      07:29:28.47  -1.1   74.3 329                                   PV13
 PV02 eS      07:29:28.86  -0.7   74.3 329                                   PV02
 PV21 eS      07:29:31.17  -2.8   74.7 329                                   PV21
 PV07 eS      07:29:35.01   3.8X  74.4 329                                   PV07



 Generated 2013 FEB 10 at 07:32 UTC

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