Phase Data

Explanation of Parameters


      9 MAR 2013  ( 68)

     ot  = 04:38:38.12   +/-   1.07              NORTHERN COLOMBIA               
     lat =       7.386   +/-   16.6
     lon =     -74.558   +/-   21.4              MAGNITUDE 4.5 (GS)       
     dep =        76.8   +/-   10.6   

     85 km (53 miles) WNW of Barrancabermeja, Colombia (pop 187,000)
     145 km (90 miles) SW of Aguachica, Colombia (pop 69,000)
     160 km (100 miles) W of Bucaramanga, Colombia (pop 553,000)
     312 km (194 miles) N of BOGOTA, Colombia

     nph =   26 of  28    se = 0.53    FE=099                            B   

     error ellipse = (252.0, 11.0, 33.8;157.0, 22.0, 26.9;  6.0, 64.0, 11.6)

 mb = 4.5 ( 14)  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
 ROSC ePn     04:39:17.52   0.2    2.5 175                                   ROSC
 SDV  ePn     04:39:43.99   4.6X   4.2  69                                   SDV 
 BCIP ePn     04:39:52.84  -4.9X   5.5 289                                   BCIP
 OTAV ePn     04:40:34.43   1.0    8.1 209                                   OTAV
 BANI ePn     04:41:23.34   1.3   11.7  20                                   BANI
 SJG  ePn     04:41:46.90   1.2   13.4  37                                   SJG 
 HUMP ePn     04:41:49.88   1.5   13.7  38                                   HUMP
 CBYP ePn     04:41:50.72   1.0   13.7  37                                   CBYP
 MTP  ePn     04:41:50.88   0.6   13.8  39                                   MTP 
 CDVI ePn     04:41:53.49  -0.4   14.1  42                                   CDVI
 CUPR ePn     04:41:54.99   0.4   14.1  39                                   CUPR
 PTGA ePn     04:42:26.89   0.2   16.6 118 b:7.1+0 .85 3.9                   PTGA
 V48A eP      04:44:44.87   2.0   30.4 340 b:8.7+0 .90 4.5                   V48A
 FVM  eP      04:45:12.02   0.2   33.7 337 b:1.8+1 .65 5.1                   FVM 
 CCM  eP      04:45:15.14   0.0   34.1 336 b:1.3+1 .60 5.0                   CCM 
 SDCO eP      04:46:15.88   0.0   41.2 322 b:1.7+1 1.9 4.6                   SDCO
 AGMN eP      04:46:42.42  -0.2   44.6 340 b:4.7+0 .65 4.5                   AGMN
 MDND eP      04:46:50.00  -0.7   45.6 337 b:1.2+1 .50 5.0                   MDND
 ULM  eP      04:46:55.49  -0.5   46.3 341 b:4.3+0 .65 4.5                   ULM 
 PDAR eP      04:46:59.49  -0.9   46.8 325                                   PDAR
 BW06 eP      04:47:00.12  -0.2   46.8 325 b:5.7+0 1.3 4.3                   BW06
 PD31 eP      04:47:00.15  -0.2   46.8 325 b:5.2+0 1.3 4.3                   PD31
 TCUT eP      04:47:01.23   0.0   46.9 322 b:7.9+0 .64 4.8                   TCUT
 REDW eP      04:47:08.62  -0.4   47.9 324 b:9.1+0 1.1 4.6                   REDW
 MCMT eP      04:47:24.41  -0.1   49.9 325                                   MCMT
 LLLB eP      04:48:24.28   0.3   58.2 327 b:9.2+0 1.4 4.7                   LLLB
 UCC  ePcP    04:50:34.63   0.0   77.3  40                                   UCC 
 BWN  epP     04:50:41.38  -0.1   76.8 334                                   BWN 



 Generated 2013 MAR  9 at 04:57 UTC

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