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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     22 JUL 2007  (203)

     ot  = 03:47:46.45   +/-   0.37              MID-INDIAN RIDGE                
     lat =     -14.315   +/-   12.9
     lon =      66.088   +/-   15.9                                       
     dep =        10.0  (geophysicist)

     660 km (410 miles) NNE of Rodrigues Island, Mauritius
     1035 km (640 miles) SW of Diego Garcia, Chagos Archipelago
     1125 km (690 miles) NE of PORT LOUIS, Mauritius
     2790 km (1740 miles) SSW of COLOMBO, Sri Lanka

     nph =   27 of  33    se = 0.55    FE=429                            B   

     error ellipse = (117.7,  0.0, 22.2;207.7,  0.0, 15.2;  0.0,  0.0,  0.0)

 mb = 4.3 (  3)  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
 LSZ  eP      03:54:53.77   0.2   36.6 264 b:5.2+0 1.1 4.2                   LSZ 
 KURK eP      03:58:31.07   0.2   65.7   9 b:2.1+0 1.0 4.3                   KURK
 ARU  eP      03:59:02.51  -0.1   70.8 356 b:1.7+0 .63 4.3                   ARU 
 QSPA eP      03:59:32.06  -0.3   75.8 180 b:7.3+1 2.1 5.4X                  QSPA
 ULM  ePKPdf  04:07:17.27  -0.2  141.3 341                                   ULM 
 JFWS ePKPbc  04:07:22.43  -1.0  145.0 329                                   JFWS
 DGMT ePKPbc  04:07:23.79   0.4  145.0 349                                   DGMT
 EGMT ePKPbc  04:07:26.68  -0.6  146.2 355                                   EGMT
 NEW  ePKPbc  04:07:26.77   0.0  146.0   4                                   NEW 
 OLIL ePKPbc  04:07:28.98   0.1  146.7 322                                   OLIL
 MSO  ePKPdf  04:07:29.01   0.3  147.6   0                                   MSO 
      ePKPbc  04:07:31.11  -0.2X
 OD2  ePKPbc  04:07:29.03   0.1  146.8   6                                   OD2 
 ECSD ePKPbc  04:07:29.04  -1.1  147.2 337                                   ECSD
 BOZ  ePKPdf  04:07:30.56  -0.1  148.7 357                                   BOZ 
      ePKPbc  04:07:34.32  -0.1X
 RLMT ePKPdf  04:07:31.45   0.5  149.0 354                                   RLMT
      ePKPbc  04:07:35.66   0.7X
 RSSD ePKPdf  04:07:31.54   0.1  149.1 346                                   RSSD
      ePKPbc  04:07:35.39  -0.2X
 CCM  ePKPdf  04:07:31.92   0.8  149.0 324                                   CCM 
      ePKPbc  04:07:34.65  -0.4X
 GCMT ePKPbc  04:07:33.93   0.3  148.4 354                                   GCMT
 MCMT ePKPbc  04:07:35.87  -0.8  149.6 359                                   MCMT
 HLID ePKPbc  04:07:38.93  -0.8  150.9   1                                   HLID
 HUMO ePKPbc  04:07:39.54   0.3  150.7  14                                   HUMO
 MOOW ePKPbc  04:07:39.58   0.5  150.5 355                                   MOOW
 LOHW ePKPbc  04:07:39.90   0.5  150.7 355                                   LOHW
      ePKPab  04:07:46.35   0.2X
 SNOW ePKPbc  04:07:40.18   0.4  150.8 355                                   SNOW
 TPAW ePKPbc  04:07:40.19   0.4  150.8 356                                   TPAW
 REDW ePKPbc  04:07:40.43   0.4  150.9 355                                   REDW
 BW06 ePKPbc  04:07:40.44  -0.7  151.4 353                                   BW06



 Generated 2007 JUL 24 at 23:05 UTC

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

 


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