Phase Data

Explanation of Parameters


     20 MAR 2013  ( 79)

     ot  = 16:24:36.07   +/-   0.93              NORTHERN COLOMBIA               
     lat =       6.617   +/-    8.5
     lon =     -72.775   +/-   14.8              MAGNITUDE 4.4 (GS)       
     dep =       170.3   +/-    7.1   

     69 km (43 miles) SE of Bucaramanga, Colombia (pop 553,000)
     129 km (80 miles) ESE of Barrancabermeja, Colombia (pop 187,000)
     136 km (85 miles) NNE of Tunja, Colombia (pop 115,000)
     266 km (165 miles) NNE of BOGOTA, Colombia

     nph =   70 of  74    se = 0.67    FE=099                            B   

     error ellipse = (115.5,  9.5, 24.9;217.9, 52.2, 11.8; 18.4, 36.1,  6.6)

 mb = 4.4 ( 61)  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     16:25:18.06   1.3    2.3 222                                   ROSC
      eSn     16:25:43.87  S res =  -4.3X
 BCIP ePn     16:26:16.58  -5.5X   7.4 290                                   BCIP
 OTAV ePn     16:26:35.08  -1.4    8.5 222                                   OTAV
 SDDR ePn     16:27:25.04  -1.7   12.4   7                                   SDDR
 MTDJ ePn     16:27:27.85   0.3   12.4 339                                   MTDJ
 JTS  ePn     16:27:34.22   4.8X  12.6 288                                   JTS 
 PB01 eP      16:30:00.58  -7.8X  27.7 173 b:1.2+1 .60 4.8                   PB01
 152A eP      16:30:13.39   0.5   28.2 338 b:1.2+1 .80 4.7                   152A
 Z50A eP      16:30:22.69   1.1   29.2 337 b:1.3+1 .80 4.7                   Z50A
 W52A eP      16:30:31.78   1.7   30.1 342 b:1.4+1 .85 4.7                   W52A
 X48A eP      16:30:35.81   1.1   30.7 336 b:1.1+1 .75 4.7                   X48A
 V48A eP      16:30:44.98   1.1   31.7 338 b:1.9+1 .85 4.9                   V48A
 WVT  eP      16:30:50.52   0.3   32.5 337 b:1.5+1 1.0 4.6                   WVT 
 X40A eP      16:30:57.84  -0.2   33.3 329 b:8.1+0 .90 4.4                   X40A
 Q51A eP      16:31:00.97   0.4   33.6 345 b:2.3+1 .95 4.8                   Q51A
 WHAR eP      16:31:01.04  -0.1   33.7 331 b:5.7+1 1.9 4.9                   WHAR
 O56A eP      16:31:02.73  -0.1   33.9 352 b:1.1+1 .90 4.5                   O56A
 P51A eP      16:31:02.89  -0.8   34.0 346 b:2.5+1 .55 5.1                   P51A
 PBMO eP      16:31:04.75   0.4   34.1 334 b:1.9+1 .75 4.9                   PBMO
 W39A eP      16:31:06.72  -0.3   34.4 329 b:8.7+0 .65 4.6                   W39A
 SIUC eP      16:31:07.09   0.2   34.4 337 b:2.1+1 .55 5.0                   SIUC
 FVM  eP      16:31:13.03   0.0   35.1 335 b:1.4+1 .65 4.8                   FVM 
 CCM  eP      16:31:16.37  -0.1   35.5 334 b:2.6+1 .65 5.1                   CCM 
 ABTX eP      16:31:19.70  -1.0   36.0 320 b:9.2+0 .90 4.5                   ABTX
 SFIN eP      16:31:21.12   0.5   36.0 341 b:2.6+1 .50 5.2                   SFIN
 WMOK eP      16:31:26.79  -1.3   36.8 323 b:4.7+0 .60 4.4                   WMOK
 TX31 eP      16:31:27.76  -0.5   36.9 312                                   TX31
 AMTX eP      16:31:43.52  -0.4   38.7 321 b:1.6+1 1.0 4.7                   AMTX
 MNTX eP      16:31:48.90  -0.2   39.4 314 b:2.4+1 1.4 4.7                   MNTX
 ANMO eP      16:32:09.79  -0.3   41.9 317 b:5.0+0 1.3 3.9                   ANMO
 ECSD eP      16:32:13.46  -0.9   42.5 334 b:2.1+1 1.5 4.5                   ECSD
 SDCO eP      16:32:18.49   0.1   42.9 321 b:5.7+0 .80 4.2                   SDCO
 ISCO eP      16:32:29.33   0.1   44.3 323 b:6.9+0 1.0 4.2                   ISCO
 X16A eP      16:32:36.24   0.4   45.1 313 b:2.5+0 .90 3.8                   X16A
 WUAZ eP      16:32:40.26   0.6   45.6 315 b:1.4+1 .95 4.5                   WUAZ
 O20A eP      16:32:43.69   0.5   46.1 322 b:2.0+1 1.7 4.4                   O20A
 U15A eP      16:32:48.89   0.6   46.7 315 b:9.6+0 1.1 4.2                   U15A
 SRU  eP      16:32:49.96   0.1   46.9 319 b:4.8+0 .82 4.1                   SRU 
 ULM  eP      16:32:53.93  -0.7   47.6 340 b:1.1+1 .85 4.5                   ULM 
 KNB  eP      16:32:54.04   0.7   47.4 316 b:9.4+0 .88 4.4                   KNB 
 LCMT eP      16:32:56.22   0.7   47.7 315 b:7.4+0 .94 4.3                   LCMT
 MSU  eP      16:32:56.26   0.4   47.7 318                                   MSU 
 TCRU eP      16:32:58.03   0.4   47.9 318 b:1.1+1 .84 4.5                   TCRU
 MPU  eP      16:32:59.49   0.3   48.1 320 b:6.0+0 .76 4.3                   MPU 
 NLU  eP      16:33:01.01  -0.1   48.4 319 b:3.3+0 .70 4.1                   NLU 
 PDAR eP      16:33:01.02  -0.6   48.4 324                                   PDAR
 PD31 eP      16:33:01.19  -0.4   48.4 324 b:9.9+0 1.3 4.3                   PD31
 BW06 eP      16:33:01.19  -0.4   48.4 324 b:1.1+1 1.3 4.3                   BW06
 TCUT eP      16:33:01.89  -0.9   48.6 321 b:2.2+1 .66 4.9                   TCUT
 PSUT eP      16:33:03.23  -1.3   48.8 317 b:4.6+0 1.0 4.0                   PSUT
 DUG  eP      16:33:05.31  -0.4   49.0 319 b:3.4+0 .85 4.0                   DUG 
 GSC  eP      16:33:08.49  -0.7   49.5 312 b:3.6+0 .80 4.0                   GSC 
 BGU  eP      16:33:09.68   0.0   49.5 320 b:7.8+0 .70 4.4                   BGU 
 TPAW eP      16:33:10.29  -0.8   49.7 324 b:3.8+0 .60 4.2                   TPAW
 MOOW eP      16:33:11.00  -0.3   49.7 324 b:3.2+0 .80 4.0                   MOOW
 HVU  eP      16:33:11.59  -0.4   49.8 321 b:2.7+0 .66 4.0                   HVU 
 FXWY eP      16:33:11.80  -0.3   49.8 324 b:2.2+0 .85 3.8                   FXWY
 TPNV eP      16:33:12.24   0.7   49.8 314 b:6.5+0 1.0 4.2                   TPNV
 IMW  eP      16:33:12.74  -0.2   49.9 324 b:4.4+0 .70 4.2                   IMW 
 R11A eP      16:33:13.07   0.2   49.9 316 b:2.9+0 .90 3.9                   R11A
 YHH  eP      16:33:16.86   0.3   50.4 325 b:2.4+0 .76 3.9                   YHH 
 ELK  eP      16:33:19.87   0.0   50.9 319 b:2.2+0 .90 3.8                   ELK 
 MCMT eP      16:33:25.82   0.6   51.6 324                                   MCMT
 HLID eP      16:33:27.08   0.3   51.8 322 b:3.0+0 .80 4.0                   HLID
 NV01 eP      16:33:27.11  -0.3   51.9 315                                   NV01
 KVN  eP      16:33:28.33   0.0   52.0 315 b:2.5+0 .84 3.9                   KVN 
 WVOR eP      16:33:42.36   0.2   53.9 319 b:9.1+0 1.1 4.4                   WVOR
 FCC  eP      16:33:45.85  -0.4   54.5 347 b:9.7+0 1.2 4.4                   FCC 
 F10A eP      16:33:48.21  -0.2   54.8 323 b:2.1+1 1.6 4.7                   F10A
 YKB5 eP      16:34:47.97  -0.3   63.6 340                                   YKB5
 YKW3 eP      16:34:48.51  -0.1   63.6 340 b:6.8+0 .70 4.6                   YKW3
 INK  eP      16:35:49.24   0.5   73.3 340 b:2.6+0 .70 4.1                   INK 
 DOT  eP      16:36:04.35   1.0   75.8 334 b:4.9+0 .68 4.4                   DOT 



 Generated 2013 MAR 20 at 18:29 UTC

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