Phase Data

Explanation of Parameters


      9 MAR 2013  ( 68)

     ot  = 05:47:52.14   +/-   3.25              POTOSI, BOLIVIA                 
     lat =     -21.785   +/-    9.0
     lon =     -65.975   +/-    7.3              MAGNITUDE 4.2 (GS)       
     dep =       272.4   +/-    7.7   

     46 km (28 miles) SW of Tupiza, Bolivia (pop 23,000)
     107 km (66 miles) NNW of Abra Pampa, Jujuy, Argentina (pop 7,400)
     130 km (81 miles) WSW of Tarija, Bolivia (pop 170,000)
     628 km (390 miles) SSE of LA PAZ, Bolivia

     nph =   45 of  45    se = 1.60    FE=125                            A   

     error ellipse = (319.0, 20.0, 15.8;203.0, 49.0, 12.8; 63.0, 32.0,  6.0)

 mb = 4.2 ( 21)  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     05:48:45.18   0.3    2.8 253                                   LVC 
 PB01 ePn     05:48:50.12   0.2    3.3 282                                   PB01
      eS      05:49:34.52  S res =  -1.4 
 PB04 ePn     05:48:55.94  -0.2    3.9 261                                   PB04
      eS      05:49:44.11  S res =  -3.1 
 PB11 ePn     05:48:57.14   0.1    4.0 300                                   PB11
      eS      05:49:46.51  S res =  -2.2 
 MNMC ePn     05:49:01.49   0.8    4.3 307                                   MNMC
      eS      05:49:54.57  S res =  -0.8 
 PB10 ePn     05:49:03.00  -0.6    4.6 247                                   PB10
      eS      05:49:56.86  S res =  -3.8 
 GO02 ePn     05:49:05.78   0.0    4.7 224                                   GO02
      eS      05:50:02.18  S res =  -2.4 
 LPAZ ePn     05:49:20.64   1.3    5.8 339                                   LPAZ
 LCO  ePn     05:49:47.76  -2.7    8.4 210                                   LCO 
      eS      05:51:21.69  S res =  -4.5 
 GO04 ePn     05:50:01.64  -1.7    9.4 206                                   GO04
 ROC1 ePn     05:50:34.43  -1.1   12.0 201                                   ROC1
 GO05 eP      05:51:02.09   0.6   14.2 200                                   GO05
 TRQA eP      05:51:26.71  -1.2   16.6 169 b:2.9+0 .70 3.8                   TRQA
 BDFB eP      05:51:45.45   1.0   18.1  73 b:1.2+1 1.2 4.3                   BDFB
 GO06 eP      05:51:48.33   1.1   18.3 194 b:1.2+1 .80 4.4                   GO06
 PLCA eP      05:51:57.84   0.7   19.3 191 b:6.3+0 1.1 4.0                   PLCA
 PTGA eP      05:52:21.14  -0.9   21.7  16 b:5.1+0 .65 4.1                   PTGA
 EFI  eP      05:53:40.95   1.3   30.5 170 b:2.3+1 1.0 4.7                   EFI 
 SDV  eP      05:53:45.31   1.9   30.8 351 b:3.6+0 .90 4.0                   SDV 
 RCBR eP      05:54:03.95   0.5   33.1  66 b:1.1+1 1.0 4.4                   RCBR
 GRGR eP      05:54:10.53   0.0   34.0   8 b:1.0+2 1.0 5.4                   GRGR
 FDF  eP      05:54:32.59  -0.3   36.6   8 b:2.4+1 1.1 4.6                   FDF 
 OBIP eP      05:54:56.49  -1.1   39.6 359 b:1.2+1 1.0 4.3                   OBIP
 MTP  eP      05:54:56.94  -1.1   39.6   1 b:1.2+1 1.1 4.2                   MTP 
 SMRT eP      05:54:57.56  -0.9   39.7   4 b:1.5+1 1.1 4.3                   SMRT
 CBYP eP      05:54:59.29  -0.2   39.8   0 b:7.6+0 1.0 4.0                   CBYP
 HUMP eP      05:54:59.55   1.2   39.7   0 b:7.2+0 1.1 4.0                   HUMP
 BANI eP      05:55:04.10   1.6   40.2 354                                   BANI
 EMPR ePcP    05:56:57.13  -3.2   40.0 360                                   EMPR
 WVT  eP      05:57:38.93   0.5   61.2 340 b:1.9+0 .95 3.7                   WVT 
 SNAA eP      05:57:39.56   2.0   61.1 161 b:4.9+0 .80 4.1                   SNAA
 DBIC eP      05:58:10.17  -1.3   66.2  72                                   DBIC
 TOA0 eP      05:59:02.49  -1.2   74.9  69                                   TOA0
      eP      05:59:03.73   0.0 
 BOSA eP      05:59:37.18   0.5   80.9 117 b:4.7+0 1.1 4.2                   BOSA
 AS01 ePKPdf  06:06:33.28   1.4  130.8 204                                   AS01
 MK31 ePKPdf  06:06:56.16   0.6  144.2  38                                   MK31
 MK01 ePKPdf  06:06:56.35   0.8  144.2  39                                   MK01



 Generated 2013 MAR 10 at 12:05 UTC

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