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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     21 JUL 2007  (202)

     ot  = 20:40:53.49   +/-   0.46              PACIFIC-ANTARCTIC RIDGE         
     lat =     -54.999   +/-   14.9
     lon =    -129.375   +/-   12.2              MAGNITUDE 5.7 (GCMT)     
     dep =        10.0  (geophysicist)

     4500 km (2790 miles) SSE of PAPEETE, Tahiti, French Polynesia

     nph =   28 of  38    se = 1.33    FE=691                            B   

     error ellipse = (148.3,  0.0, 21.5; 58.3,  0.0, 13.4;  0.0,  0.0,  0.0)

 mb = 5.1 ( 22)  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
 SBA  eP      20:47:14.36  -0.6   31.5 201 b:2.6+1 1.3 5.0                   SBA 
 VNDA eP      20:47:23.93   0.0   32.5 202 b:8.4+0 1.0 4.6                   VNDA
 PMSA eP      20:47:29.45   4.0X  32.7 134 b:9.5+1 1.7 5.4                   PMSA
 QSPA eP      20:47:48.84   1.6   35.2 180 b:4.0+1 1.0 5.2                   QSPA
 PLCA eP      20:48:33.06  -1.1   40.7  95 b:3.7+1 1.4 4.9                   PLCA
 SNAA eP      20:49:33.05  -0.3   48.2 160 b:1.2+1 1.0 4.9                   SNAA
 CASY eP      20:49:57.45   3.3X  50.9 207 b:1.9+1 1.0 4.9                   CASY
 LVC  eP      20:50:25.20   0.7   54.9  79 b:3.3+1 1.2 5.2                   LVC 
 CPUP eP      20:50:51.19   0.3   58.7  92 b:4.5+1 1.2 5.4                   CPUP
 LPAZ eP      20:51:04.85   1.2   60.4  76 b:3.6+1 1.1 5.4                   LPAZ
 STKA qP      20:51:27.81   0.6   64.0 251 b:1.1+1 1.1 4.9                   STKA
 OTAV eP      20:52:00.49   1.4   68.9  56 b:1.9+1 1.4 5.1                   OTAV
 CTAO qP      20:52:10.23   1.3   70.6 263 b:1.9+1 1.1 5.1                   CTAO
 WRAB eP      20:52:49.75   0.9   77.4 253 b:2.2+1 1.1 5.1                   WRAB
 SDV  eP      20:53:03.34  -1.0   80.2  59 b:2.2+1 1.4 4.9                   SDV 
 TEIG qP      20:53:17.43   0.3   82.7  38 b:2.8+1 1.0 5.3                   TEIG
 FITZ eP      20:53:20.57  -1.6   83.6 248 b:4.9+1 1.2 5.6                   FITZ
 MBWA qP      20:53:30.48   5.6X  84.2 241 b:3.6+1 1.5 5.4                   MBWA
 TUC  qP      20:53:48.09   2.8X  88.4  16 b:6.8+0 1.1 4.9                   TUC 
 JCT  qP      20:53:50.48   3.1X  88.8  25 b:1.9+1 1.2 5.2                   JCT 
 HKT  qP      20:53:54.95   5.2X  89.4  29 b:1.1+1 1.4 4.9                   HKT 
 ANMO eP      20:54:05.00   4.1X  91.7  19 b:6.2+0 .98 4.9                   ANMO
 IMA2 ePKPdf  20:59:46.91   0.0  122.1 349                                   IMA2
 CHTO qPKPdf  21:00:03.80   3.0X 128.7 245                                   CHTO
 TAM  ePKPdf  21:00:17.09   6.8X 133.6 115                                   TAM 
 TIXI ePKPdf  21:00:26.41  -1.6  144.3 328                                   TIXI
 LSA  ePKPdf  21:00:36.00  10.9X 141.6 246                                   LSA 
 TLY  ePKPbc  21:00:38.72  -1.4  148.8 286                                   TLY 
 BNI  ePKPbc  21:00:43.49  -1.2  150.5  91                                   BNI 
 CEL  ePKPbc  21:00:45.15  -1.4  151.3 111                                   CEL 
 TUE  ePKPbc  21:00:47.89  -2.2  152.9  91                                   TUE 
 GVD  ePKPbc  21:00:48.60  -1.3  152.7 127                                   GVD 
 TIP  ePKPbc  21:00:49.24   0.2  152.4 111                                   TIP 
 ECH  ePKPbc  21:00:50.18   1.1  152.5  86                                   ECH 
 CUC  ePKPbc  21:00:51.75   2.6  152.5 108                                   CUC 
 STU  ePKPbc  21:00:53.41   1.2  154.0  87                                   STU 
 KWP  ePKPdf  21:00:55.85   1.8  162.2  96                                   KWP 
 AQU  ePKPab  21:00:59.01  -1.5  152.7 102                                   AQU 



 Generated 2007 JUL 25 at 20:04 UTC

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

 


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