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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     11 MAY 2008  (132)

     ot  = 14:53:38.00   +/-   0.23              NORTHERN COLOMBIA               
     lat =       6.706   +/-    3.9
     lon =     -72.912   +/-    4.3              MAGNITUDE 4.3 (GS)       
     dep =       164.1  (depth phases)

     50 km (35 miles) SSE of Bucaramanga, Colombia (pop 553,000)
     110 km (70 miles) ESE of Barrancabermeja, Colombia (pop 187,000)
     140 km (85 miles) SSW of Cucuta, Colombia (pop 682,000)
     265 km (165 miles) NNE of BOGOTA, Colombia

     nph =   57 of  74    se = 0.72    FE=099                            A   

     error ellipse = ( 63.2,  0.0,  5.8;153.2,  0.0,  4.9;  0.0,  0.0,  0.0)

 mb = 4.3 ( 27)  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     14:54:17.84  -0.2    2.3 218                                   ROSC
      eSn     14:54:49.38  S res =   0.4X
 SDV  iPnd    14:54:27.95   0.2    3.1  46 L:1.4+0 .50 4.4X                  SDV 
      eSn     14:55:05.24  S res =  -1.1X
 OTAV ePn     14:55:36.00  -2.1    8.5 221                                   OTAV
      eSn     14:57:09.69  S res =  -3.2X
 PCRV P       14:55:42.66  -0.5    8.9  67                                   PCRV
      S       14:57:18.81  S res =  -3.3X
 JTS  ePn     14:56:31.06   1.5   12.4 287                                   JTS 
 SJG  P       14:56:36.91  -1.4   13.1  30                                   SJG 
 CMIG P       14:58:31.80  -4.4X  23.8 298                                   CMIG
 LPAZ P       14:58:33.49   1.1   23.3 168                                   LPAZ
      pP      14:59:05.35  depth = 160.5 
 SIV  P       14:58:51.58   0.9   25.4 153                                   SIV 
      pP      14:59:25.06  depth = 165.2 
 BLO  eP      15:00:11.82   0.7   34.6 341 b:1.4+1 .70 4.8                   BLO 
 FVM  eP      15:00:14.56   0.2   35.0 335 b:2.2+1 1.2 4.7                   FVM 
 CPUP P       15:00:25.20   0.5   36.2 156                                   CPUP
 WMOK eP      15:00:27.62  -1.7   36.7 323 b:3.4+0 .65 4.2                   WMOK
 TXAR P       15:00:28.73  -0.7   36.7 312                                   TXAR
      PcP     15:02:50.13   1.5X
 CPRX eP      15:00:47.13  -0.6   38.9 316 b:3.3+0 .34 4.5                   CPRX
 ANMO eP      15:01:12.21   0.9   41.7 317 b:1.5+1 2.0 4.2                   ANMO
 LAZ  eP      15:01:13.04   0.4   41.9 316 b:3.3+0 1.0 3.9                   LAZ 
 ECSD eP      15:01:14.69  -1.1   42.3 334 b:1.1+2 3.0 4.9                   ECSD
 SDCO eP      15:01:19.85   0.1   42.8 321 b:3.3+0 .70 4.0                   SDCO
 ISCO eP      15:01:31.24   0.7   44.1 323 b:5.5+0 .95 4.1                   ISCO
 MVCO eP      15:01:33.02   0.5   44.4 318 b:9.9+0 1.3 4.2                   MVCO
 SMCO eP      15:01:34.59   0.5   44.6 322 b:3.3+1 2.7 4.4                   SMCO
 WUAZ eP      15:01:41.76   0.8   45.4 315 b:1.1+1 .90 4.4                   WUAZ
 SRU  eP      15:01:51.25   0.1   46.8 319 b:4.8+0 .82 4.1                   SRU 
 PLCA P       15:01:53.64  -1.1   47.3 178                                   PLCA
 ULM  eP      15:01:55.05  -1.1   47.5 340 b:5.5+0 .70 4.3                   ULM 
 MSU  eP      15:01:57.77   0.6   47.5 318                                   MSU 
 MPU  eP      15:02:00.69   0.1   48.0 320 b:7.3+0 .98 4.3                   MPU 
 DAU  eP      15:02:00.83   0.3   48.0 320                                   DAU 
 PDAR P       15:02:02.25  -0.7   48.3 324                                   PDAR
      PcP     15:03:26.75  -0.5X
 BW06 eP      15:02:02.29  -0.7   48.3 324 b:8.5+0 1.4 4.2                   BW06
 SCHQ P       15:02:02.47   0.4   48.2   5                                   SCHQ
 HWUT eP      15:02:06.46  -0.5   48.8 322 b:3.6+0 .70 4.1                   HWUT
 REDW eP      15:02:10.86  -0.6   49.4 324 b:6.5+0 .55 4.5                   REDW
 DGMT eP      15:02:11.00   0.4   49.3 333 b:2.1+1 .52 5.0                   DGMT
 LOHW eP      15:02:11.59   0.1   49.4 324 b:4.0+0 .60 4.3                   LOHW
 SNOW eP      15:02:11.80   0.3   49.4 324 b:7.5+0 1.0 4.3                   SNOW
 TPAW eP      15:02:12.68   0.2   49.5 324 b:6.9+0 1.3 4.2                   TPAW
 RRI2 eP      15:02:13.73   0.2   49.7 324 b:7.1+0 .70 4.4                   RRI2
 M13A eP      15:02:18.09  -0.2   50.3 320 b:6.0+0 .70 4.4                   M13A
 HLID eP      15:02:28.20   0.0   51.7 322 b:2.8+0 .85 4.0                   HLID
 NVAR P       15:02:28.55  -0.2   51.7 315                                   NVAR
      PcP     15:03:39.80  -0.2X
 LRM  eP      15:02:29.49   0.2   51.8 325                                   LRM 
 HRY  eP      15:02:30.89   0.4   52.0 327                                   HRY 
 EDM  eP      15:03:04.47  -0.8   56.8 332                                   EDM 
 YKA  P       15:03:49.49  -0.5   63.4 340                                   YKA 
 DBIC P       15:04:17.58   0.4   67.5  86                                   DBIC
      pP      15:04:57.41  depth = 166.6 
 SUMG eP      15:04:26.69   0.6   69.1  11 b:1.3+2 2.8 5.2                   SUMG
 INK  eP      15:04:51.00   0.4   73.2 340 b:1.9+1 1.8 4.5                   INK 
 TORD P       15:04:53.28  -0.7   73.6  78                                   TORD
 GERESP       15:05:44.29   0.4   82.8  42                                   GERE
 ZALV PKP     15:12:03.33   0.6  116.7  15                                   ZALV
 MKAR PKP     15:12:13.61  -0.3  122.4  20                                   MKAR
 SONM PKP     15:12:20.82   0.4  125.7   1                                   SONM
 ASAR PKP     15:13:03.93   0.3  149.2 234                                   ASAR
      PKPbc   15:13:07.63  -0.4X
      pPKP    15:13:47.36   0.4X
      pPKPbc  15:13:50.93  -0.1X
 WRA  PKP     15:13:05.74   0.0  150.5 241                                   WRA 
      PKPbc   15:13:10.89  -0.3X
      pPKP    15:13:49.46   0.4X
      pPKPbc  15:13:52.79  -1.4X
 WB2  ePKPbc  15:13:10.82  -0.3  150.5 241                                   WB2 
 CMAR PKPbc   15:13:18.99   0.4  153.7  18                                   CMAR



 Generated 2008 MAY 26 at 13:17 UTC

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


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