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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     12 JUL 2007  (193)

     ot  = 20:47:38.07   +/-   0.35              COQUIMBO, CHILE                 
     lat =     -30.831   +/-    7.2
     lon =     -71.198   +/-   10.1              MAGNITUDE 4.9 (GS)       
     dep =        60.9  (depth phases)

     90 km (55 miles) N of Illapel, Chile (pop 21,000)
     100 km (60 miles) S of Coquimbo, Chile (pop 148,000)
     250 km (155 miles) N of Valparaiso, Chile
     295 km (185 miles) N of SANTIAGO, Chile

     nph =   42 of  61    se = 0.78    FE=135                            A   

     error ellipse = ( 64.2,  0.0, 14.2;154.2,  0.0,  8.0;  0.0,  0.0,  0.0)

 mb = 4.9 ( 30)  ML = 0.0 (  0)  mblg = 0.0 (  0)  md = 4.9 (  1)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 LCO  eP      20:48:08.84   0.9    1.9  14 d:3.4+2     4.9  L:6.5+0 .30 4.3X LCO 
                                           g:3.1+0 .70 4.6X
 TRQA eP      20:50:05.26  -0.2   10.5 136 g:6.1-2 .80 3.9X b:6.1+1 .80 5.7X TRQA
 LPAZ eP      20:51:04.63   0.8   14.7  12 g:1.3-2 .95 3.4X b:9.8+0 .68 4.2X LPAZ
 SDV  eP      20:55:02.15  -0.9   39.5   1 b:1.6+1 .85 4.9                   SDV 
 SJG  eP      20:56:17.20  -0.8   48.9   6 b:4.8+1 1.1 5.4                   SJG 
 JCT  P       20:58:23.39   0.4   66.8 333 b:2.2+1 1.0 5.1                   JCT 
 TKL  eP      20:58:24.11  -1.5   67.2 349                                   TKL 
 SWET P       20:58:25.16  -0.2   67.1 347                                   SWET
 OXF  P       20:58:25.36  -0.4   67.2 344 b:4.8+1 .88 5.5                   OXF 
 PLAL P       20:58:25.62  -1.1   67.4 345 b:1.5+1 1.2 4.8                   PLAL
      e       20:58:49.62  depth =  93.8X
 WVT  P       20:58:32.63  -0.6   68.4 346 b:2.7+1 .90 5.2                   WVT 
      e       20:58:50.03  depth =  64.3 
 MIAR P       20:58:32.82  -0.2   68.4 340 b:1.6+1 1.3 4.8                   MIAR
      e       20:58:40.47  depth =  24.5X
 WCI  P       20:58:42.61  -1.3   70.1 347 b:6.7+0 .60 4.7                   WCI 
 WMOK P       20:58:43.69  -0.7   70.2 336 b:1.6+0 .65 4.1                   WMOK
 SIUC P       20:58:44.26  -0.2   70.2 345 b:4.1+1 1.0 5.3                   SIUC
 BNM  P       20:59:00.88   0.8   72.8 330                                   BNM 
 LPM  P       20:59:01.56   0.7   72.9 330                                   LPM 
 LAZ  P       20:59:03.60   1.0   73.2 330                                   LAZ 
 LONY P       20:59:08.12  -5.4X  75.2 358 b:2.6+1 .98 5.1                   LONY
 LBNH P       20:59:12.32   1.3   74.7 359 b:3.4+1 .95 5.3                   LBNH
 FFD  P       20:59:14.96   8.5X  73.9 360 b:2.4+1 .80 5.2                   FFD 
 JFWS P       20:59:15.04  -0.2   75.4 346 b:6.3+0 .43 4.9                   JFWS
 MAW  P       20:59:18.50   0.2   76.0 164 b:1.1+1 1.0 4.7                   MAW 
 WUAZ P       20:59:20.02   1.0   76.0 327 b:1.1+1 1.0 4.7                   WUAZ
 SMCO P       20:59:26.64   0.9   77.2 332 b:2.0+1 .98 5.1                   SMCO
      e       20:59:43.76  depth =  62.0 
 ECSD P       20:59:27.89  -0.5   77.8 341 b:3.1+1 .98 5.3                   ECSD
      e       20:59:44.59  depth =  60.1 
 SRU  P       20:59:33.69   0.3   78.6 330 b:5.4+0 .92 4.5                   SRU 
      e       20:59:51.31  depth =  63.9 
 MVU  e       20:59:34.08  -0.8   78.9 328 b:2.8+0 1.0 4.2                   MVU 
 CCUT P       20:59:34.85   1.3   78.6 327                                   CCUT
 TPNV P       20:59:39.36   0.9   79.5 325 b:5.3+0 1.0 4.4                   TPNV
 DAU  P       20:59:41.45   0.3   80.0 330                                   DAU 
 RSSD eP      20:59:43.12   0.1   80.4 337 b:8.1+0 1.0 4.6                   RSSD
 AGMN eP      20:59:49.41  -0.7   81.8 344 b:3.7+0 .50 4.6                   AGMN
      epP     21:00:06.03  depth =  59.2 
 HVU  eP      20:59:50.09  -0.3   81.8 330 b:5.2+0 .90 4.5                   HVU 
 ELK  eP      20:59:51.77  -0.1   82.1 328 b:5.4+0 .93 4.5                   ELK 
      epP     21:00:08.84  depth =  61.1 
 TOA0 eP      20:59:54.58   0.0   82.5  70                                   TOA0
      epP     21:00:09.49  depth =  51.9 
 HLID eP      21:00:01.72   0.2   83.9 330 b:3.8+0 1.0 4.4                   HLID
 DGMT eP      21:00:03.03   0.1   84.3 339 b:3.2+1 .93 5.4                   DGMT
      epP     21:00:19.70  depth =  59.0 
 MCMT e       21:00:03.88   0.4   84.3 332                                   MCMT
      e       21:00:22.34  depth =  66.5 
 BMO  e       21:00:12.52  -0.3   86.2 329 b:2.6+0 1.1 4.3                   BMO 
 WALA P       21:00:21.70  -0.5   88.2 333 b:2.8+1 1.6 5.2                   WALA
 LSZ  P       21:00:33.58   1.5   90.1 108 b:9.4+0 1.0 5.0                   LSZ 
 BRVK P       21:07:05.35  -1.5  144.4  40                                   BRVK
 YAK  ePKPdf  21:07:09.16  -0.1  146.0 343                                   YAK 
      epPKPdf 21:07:26.40  -0.7X
 KURK P       21:07:21.24   4.9X 150.0  40                                   KURK
 EKS2 P       21:07:21.57   5.2X 149.8  57                                   EKS2
      e       21:07:39.55  -4.5X
 AML  P       21:07:21.92   5.1X 149.8  58                                   AML 
 ZAA0 P       21:07:23.57   5.6X 151.2  30                                   ZAA0



 Generated 2007 JUL 12 at 23:16 UTC

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

 


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