Phase Data

Explanation of Parameters


     31 MAR 2013  ( 90)

     ot  = 01:43:37.50   +/-   0.81              TARAPACA, CHILE                 
     lat =     -20.557   +/-    8.9
     lon =     -68.887   +/-   14.1              MAGNITUDE 4.4 (GS)       
     dep =        90.8   +/-    7.6   

     139 km (86 miles) ESE of Iquique, Tarapaca, Chile (pop 164,000)
     211 km (131 miles) N of Calama, Antofagasta, Chile
     215 km (134 miles) W of Uyuni, Bolivia
     1439 km (893 miles) N of SANTIAGO, Region Metropolitana, Chile

     nph =   55 of  64    se = 0.40    FE=124                            A   

     error ellipse = (258.0,  8.0, 22.0;165.0, 20.0, 13.3; 11.0, 67.0, 10.9)

 mb = 4.4 ( 53)  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     01:43:54.51  -0.1    0.7 229                                   PB01
 PB11 ePn     01:43:58.84   0.6    1.1 318                                   PB11
 MNMC ePn     01:44:05.94   1.5    1.6 335                                   MNMC
 PB04 ePn     01:44:10.91  -0.6    2.1 213                                   PB04
 LVC  ePn     01:44:12.83   2.1    2.0 181                                   LVC 
 PB10 ePn     01:44:26.09  -1.4X   3.3 207                                   PB10
 LPAZ ePn     01:44:44.80   3.5X   4.3  10                                   LPAZ
 LCO  ePn     01:45:43.94   4.8X   8.6 191                                   LCO 
 CPUP ePn     01:46:27.00   0.8   12.1 121                                   CPUP
 PLCA eP      01:48:05.55   0.9   20.2 184 b:1.9+1 .90 4.4                   PLCA
 BDFB eP      01:48:08.00   0.2   20.4  80 b:5.8+1 1.7 4.6                   BDFB
 PTGA eP      01:48:17.92  -1.7   21.5  25 b:1.1+1 .80 4.3                   PTGA
 TKL  eP      01:53:17.90  -0.5   57.7 346 b:1.5+1 1.2 4.9                   TKL 
 SWET eP      01:53:18.60  -0.7   57.8 344 b:4.9+0 .52 4.8                   SWET
 T47A eP      01:53:32.15  -0.8   59.8 343 b:1.7+1 1.3 5.0                   T47A
 TX31 eP      01:53:33.18  -0.9   59.9 325                                   TX31
 PARMOeP      01:53:35.08  -1.0   60.2 341 b:1.2+1 .70 5.1                   PARM
 FVM  eP      01:53:45.90   0.2   61.6 341 b:7.3+0 .90 4.8                   FVM 
 P45A eP      01:53:48.28  -1.9   62.3 344 b:9.3+0 .80 4.9                   P45A
 N49A eP      01:53:52.75  -0.6X  62.8 347 b:1.7+1 1.0 5.0                   N49A
 SNAA eP      01:53:55.26  -0.3   63.2 161 b:5.8+0 .70 4.7                   SNAA
 MSTX eP      01:53:55.34  -0.3   63.1 329 b:8.1+0 1.0 4.6                   MSTX
 ERPA eP      01:53:56.17   0.2X  63.2 351 b:1.1+1 .60 5.0                   ERPA
 BGNE eP      01:54:22.39  -0.5   67.4 337 b:2.5+1 .80 5.2                   BGNE
 SDCO eP      01:54:24.32   0.4X  67.5 329 b:2.3+0 .85 4.1                   SDCO
 X16A eP      01:54:27.66   0.2   68.0 323 b:3.9+0 1.2 4.2                   X16A
 DBIC eP      01:54:30.17  -0.2   68.5  74 b:1.7+1 .90 4.9                   DBIC
 WUAZ eP      01:54:32.68   0.5   68.8 324 b:4.9+0 .85 4.4                   WUAZ
 U15A eP      01:54:39.52   0.0   70.0 324 b:3.7+0 .75 4.3                   U15A
 PFO  eP      01:54:42.15   0.0   70.4 319 b:3.2+0 .85 4.2                   PFO 
 XPFO eP      01:54:42.42   0.3   70.4 319 b:3.4+0 .85 4.3                   XPFO
 KNB  eP      01:54:43.64  -0.1   70.7 324 b:9.8+0 1.0 4.6                   KNB 
 LDFC eP      01:54:43.97   0.2   70.7 321 b:5.7+0 .90 4.4                   LDFC
 LCMT eP      01:54:45.30   0.2   70.9 324 b:3.2+0 .94 4.2                   LCMT
 SRU  eP      01:54:45.85   0.2   71.0 327 b:3.8+0 .84 4.3                   SRU 
 MTPU eP      01:54:46.46   0.1   71.1 325 b:1.9+0 .80 4.0                   MTPU
 P17A eP      01:54:48.34   0.4   71.4 327 b:6.3+0 .96 4.4                   P17A
 CCUT eP      01:54:48.85   0.9   71.4 324 b:5.5+0 .80 4.5                   CCUT
 MSU  eP      01:54:49.10   0.8   71.4 325                                   MSU 
 SHPR eP      01:54:49.83   0.3   71.6 322 b:3.3+0 .90 4.2                   SHPR
 PSUT eP      01:54:53.39  -0.4   72.3 324 b:3.8+0 .72 4.4                   PSUT
 TPNV eP      01:54:55.03  -0.1   72.6 322 b:5.7+0 1.0 4.4                   TPNV
 ISA  eP      01:54:57.69   0.0   73.0 320 b:4.1+0 .70 4.4                   ISA 
 R11A eP      01:54:58.68   0.1   73.2 323 b:3.7+0 1.3 4.1                   R11A
 SPUT eP      01:55:00.95  -0.3   73.6 327 b:5.0+0 .98 4.3                   SPUT
 BGU  eP      01:55:01.15  -0.1   73.6 327 b:3.3+0 1.0 4.1                   BGU 
 HVU  eP      01:55:04.60   0.4X  74.1 327 b:7.4+0 1.2 4.4                   HVU 
 OMMB eP      01:55:07.65   0.3   74.6 321 b:4.7+0 .90 4.3                   OMMB
 MDPB eP      01:55:07.86   0.2   74.7 321 b:2.7+0 .88 4.1                   MDPB
 NV01 eP      01:55:08.04   0.0   74.8 322                                   NV01
 IMW  eP      01:55:08.06  -0.2   74.8 330 b:3.2+0 1.0 4.1                   IMW 
 FLWY eP      01:55:08.90   0.5   74.9 330 b:5.1+0 .85 4.4                   FLWY
 KVN  eP      01:55:09.64  -0.1   75.1 322 b:3.3+0 1.0 4.1                   KVN 
 YMR  eP      01:55:11.63   0.0   75.4 330 b:6.3+0 1.0 4.4                   YMR 
 YHH  eP      01:55:11.85  -0.1   75.5 331 b:6.1+0 1.1 4.4                   YHH 
 YHB  eP      01:55:13.27   0.7   75.6 330 b:7.4+0 .96 4.5                   YHB 
 HLID eP      01:55:16.15  -0.2   76.3 328 b:3.9+0 .95 4.3                   HLID
 PAHR eP      01:55:16.38   0.0   76.3 322 b:5.2+0 .74 4.5                   PAHR
 MCMT eP      01:55:17.75   0.4   76.4 329                                   MCMT
 TOA0 eP      01:55:20.57  -0.5   77.0  71 b:1.3+1 1.0 4.8                   TOA0
 BMO  eP      01:55:30.08   0.6   78.6 327 b:2.9+0 .90 4.1                   BMO 
 C09A eP      01:55:43.82   0.8X  81.2 329 b:4.4+0 .60 4.5                   C09A
 YKB5 eP      01:56:27.34  -0.5X  90.3 341                                   YKB5
 YKW3 eP      01:56:27.99  -0.1   90.4 341 b:9.8+0 1.0 5.0                   YKW3



 Generated 2013 MAR 31 at 02:17 UTC

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