Phase Data

Explanation of Parameters


      9 MAR 2013  ( 68)

     ot  = 01:17:51.34   +/-   1.28              ANTOFAGASTA, CHILE              
     lat =     -21.897   +/-    8.6
     lon =     -68.530   +/-   11.3              MAGNITUDE 4.5 (GS)       
     dep =        99.8   +/-    4.4   

     75 km (47 miles) NNE of Calama, Antofagasta, Chile (pop 126,000)
     174 km (108 miles) E of Tocopilla, Antofagasta, Chile
     238 km (148 miles) SW of Uyuni, Bolivia
     1297 km (805 miles) N of SANTIAGO, Region Metropolitana, Chile

     nph =   54 of  54    se = 0.63    FE=124                            A   

     error ellipse = (257.0, 19.0, 18.5;166.0,  4.0, 12.9; 64.0, 70.0,  3.0)

 mb = 4.5 ( 40)  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
 LVC  ePn     01:18:09.69  -0.4    0.8 206                                   LVC 
 PB01 ePn     01:18:12.87  -1.6    1.2 314                                   PB01
 PB04 ePn     01:18:16.46  -2.1    1.6 254                                   PB04
 PB11 ePn     01:18:27.44  -1.5    2.4 334                                   PB11
 PB10 ePn     01:18:29.34  -0.7    2.5 229                                   PB10
 MNMC ePn     01:18:35.23  -1.2    2.9 340                                   MNMC
 GO02 ePn     01:18:41.47  -1.2    3.4 197                                   GO02
 LPAZ ePn     01:19:14.01   1.4    5.6   4                                   LPAZ
 LCO  ePn     01:19:31.68  -4.6    7.4 195                                   LCO 
 GO04 ePn     01:19:46.87  -4.8    8.5 193                                   GO04
 ROC1 ePn     01:20:26.50  -2.8   11.3 191                                   ROC1
 CPUP ePn     01:20:27.43  -0.1   11.1 116                                   CPUP
 TRQA ePn     01:21:43.95   0.2   17.1 162 b:1.9+1 1.2 4.2                   TRQA
 GO06 eP      01:21:51.67  -0.5   17.8 187 b:1.4+1 .95 4.2                   GO06
 SPB  eP      01:22:11.36   0.2   19.5  99 b:1.9+1 .80 4.5                   SPB 
 BDFB eP      01:22:20.11  -0.4   20.4  76 b:1.2+1 .84 4.2                   BDFB
 PTGA eP      01:22:42.47  -1.8   22.6  23 b:1.0+1 .55 4.4                   PTGA
 OTAV eP      01:22:57.25  -0.5   24.0 335 b:9.3+0 .70 4.3                   OTAV
 SDV  eP      01:23:54.84  -1.9   30.7 356 b:1.5+1 1.4 4.5                   SDV 
 OBIP eP      01:25:12.11  -2.2   39.7   3 b:2.1+1 .80 5.0                   OBIP
 SJG  eP      01:25:12.72  -2.4   39.8   4 b:1.3+1 .65 4.9                   SJG 
 TX31 eP      01:27:55.27  -0.3   61.2 325 b:8.3+0 1.6 4.5                   TX31
 SNAA eP      01:27:58.48  -0.8   61.8 161 b:6.1+0 .80 4.7                   SNAA
 CPRX eP      01:28:19.10   3.3   64.2 327                                   CPRX
 DBIC eP      01:28:43.69   0.2   68.5  73 b:9.6+0 .75 4.8                   DBIC
 SDCO eP      01:28:45.11   0.1   68.8 329 b:1.5+1 1.6 4.6                   SDCO
 U15A eP      01:29:00.15   0.1   71.2 324 b:3.9+0 .80 4.3                   U15A
 KNB  eP      01:29:04.61   0.3   72.0 324 b:6.9+0 .86 4.5                   KNB 
 SRU  eP      01:29:06.28   0.0   72.3 327 b:5.2+0 .78 4.4                   SRU 
 MTPU eP      01:29:07.03   0.1   72.4 325 b:2.6+0 .78 4.1                   MTPU
 P18A eP      01:29:08.16   0.2   72.6 327 b:5.8+0 .74 4.5                   P18A
 P17A eP      01:29:08.66   0.1   72.7 327 b:6.0+0 .92 4.4                   P17A
 MSU  eP      01:29:09.20   0.4   72.7 325                                   MSU 
 CCUT eP      01:29:09.33   0.9   72.6 324 b:6.5+0 .84 4.5                   CCUT
 PSUT eP      01:29:14.83   0.7   73.6 324 b:3.0+0 .70 4.2                   PSUT
 TCUT eP      01:29:17.77  -0.1   74.3 328 b:7.5+0 .60 4.7                   TCUT
 REDW eP      01:29:26.42   0.4   75.7 330 b:4.6+0 1.0 4.3                   REDW
 NV01 eP      01:29:28.15   0.1   76.0 322                                   NV01
 FLWY eP      01:29:29.02   0.3   76.2 330 b:8.6+0 .85 4.6                   FLWY
 KVN  eP      01:29:29.76   0.1   76.3 322 b:1.5+1 1.8 4.5                   KVN 
 YHH  eP      01:29:32.88   0.6   76.8 330 b:7.4+0 1.0 4.4                   YHH 
 YHB  eP      01:29:33.21   0.3   76.9 330 b:5.7+0 .86 4.4                   YHB 
 TOA0 eP      01:29:33.80  -0.8   77.2  70                                   TOA0
      eP      01:29:34.47  -0.1 
 PAHR eP      01:29:36.39   0.1   77.5 322 b:5.9+0 .86 4.4                   PAHR
 HLID eP      01:29:36.98   0.5   77.6 328 b:5.5+0 .75 4.5                   HLID
 MCMT eP      01:29:38.10   0.6   77.7 329                                   MCMT
 MOD  eP      01:29:47.45   0.3   79.5 323 b:4.3+0 .90 4.3                   MOD 
 TSUM eP      01:29:48.20   0.0   79.6 107 b:9.3+0 .70 4.7                   TSUM
 BMO  eP      01:29:49.40   0.0   79.9 327 b:3.9+0 .80 4.3                   BMO 
 F10A eP      01:29:53.44   0.1   80.7 328 b:7.5+0 1.1 4.4                   F10A
 PINE eP      01:29:56.33   0.5   81.1 324 b:6.0+0 .75 4.5                   PINE
 TAM  eP      01:30:14.69   0.0   84.7  63 b:1.4+1 2.0 4.5                   TAM 
 YKB5 eP      01:30:46.29  -0.6   91.7 340                                   YKB5



 Generated 2013 MAR  9 at 01:42 UTC

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