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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      7 JUL 2007  (188)

     ot  = 15:02:46.12   +/-   0.40              EASTER ISLAND REGION            
     lat =     -26.673   +/-    7.1
     lon =    -114.550   +/-   10.1              MAGNITUDE 4.9 (GS)       
     dep =        10.0  (geophysicist)

     510 km (315 miles) W of Hanga Roa, Easter Island
     4260 km (2650 miles) W of SANTIAGO, Chile

     nph =   70 of  75    se = 0.86    FE=685                            A   

     error ellipse = ( 72.9,  0.0, 13.6;162.9,  0.0,  8.8;  0.0,  0.0,  0.0)

 mb = 4.9 ( 48)  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
 LCO  qP      15:10:09.60  -1.0X  38.7 104                                   LCO 
 PLCA eP      15:10:10.93  -0.2   38.8 123 b:7.3+1 2.0 5.0                   PLCA
 LVC  eP      15:10:35.30   1.2   41.5  95 b:1.1+1 1.2 4.5                   LVC 
 OTAV eP      15:10:54.20   0.8   43.9  58 b:1.1+1 1.2 4.5                   OTAV
 LPAZ eP      15:10:56.24  -0.2   44.2  86 b:7.7+0 1.4 4.3                   LPAZ
 TEIG eP      15:12:04.17   0.0   53.1  31 b:3.6+1 1.4 5.1                   TEIG
 SDV  eP      15:12:20.63  -0.2   55.4  56 b:2.1+1 1.1 5.1                   SDV 
 JCT  eP      15:12:43.49   0.5   58.6  15 b:2.3+1 .83 5.3                   JCT 
 TUC  eP      15:12:45.38   0.9   58.8   4 b:5.5+0 1.1 4.6                   TUC 
 HKT  eP      15:12:46.39  -0.2   59.1  19 b:1.2+1 1.1 4.9                   HKT 
 BNM  eP      15:13:00.43   0.7   61.0   8                                   BNM 
 LENM eP      15:13:00.45   1.0   60.9   7                                   LENM
 LAZ  eP      15:13:01.83   0.9   61.1   7                                   LAZ 
 LDFC eP      15:13:04.56   1.9   61.4 359 b:2.5+1 1.1 5.3                   LDFC
 ANMO eP      15:13:04.59  -0.5   61.8   8 b:9.9+0 1.3 4.8                   ANMO
 SBA  eP      15:13:04.83   0.6   61.7 194                                   SBA 
 GSC  eP      15:13:04.89   0.5   61.7 358 b:1.1+1 1.1 4.9                   GSC 
 WUAZ eP      15:13:07.22   1.1   61.9   3 b:1.4+1 1.3 4.9                   WUAZ
 ISA  qP      15:13:07.78   0.5   62.1 356 b:3.7+0 1.0 4.5                   ISA 
 AMTX eP      15:13:09.16  -0.2   62.4  12 b:1.2+1 .93 5.1                   AMTX
 WMOK eP      15:13:10.92  -1.4   62.9  15 b:1.3+0 .65 4.3                   WMOK
 VNDA eP      15:13:12.11   0.9   62.8 194 b:1.3+0 1.0 4.1                   VNDA
 TPNV eP      15:13:16.04   0.7   63.3 358 b:6.6+0 1.0 4.8                   TPNV
 MVCO eP      15:13:18.99   0.4   63.8   5 b:2.1+1 1.3 5.1                   MVCO
 MIAR eP      15:13:19.92  -0.1   64.0  19                                   MIAR
 CCUT eP      15:13:20.67   1.4   63.9   1                                   CCUT
 CMB  eP      15:13:22.29  -1.4   64.6 355 b:1.1+1 1.4 4.8                   CMB 
 MSU  qP      15:13:23.41  -2.3   64.9   2                                   MSU 
 SDCO eP      15:13:24.73   0.5   64.6   8 b:1.3+1 1.3 4.9                   SDCO
 PV01 eP      15:13:24.93   0.3   64.7   5                                   PV01
 PV10 eP      15:13:25.64  -0.3   64.9   5                                   PV10
 SRU  eP      15:13:30.04   0.0   65.5   3 b:7.9+0 1.1 4.8                   SRU 
 NLU  qP      15:13:31.92  -3.1X  66.3   2                                   NLU 
 SMCO eP      15:13:32.29  -0.1   65.9   6 b:6.1+0 .90 4.8                   SMCO
 DUG  eP      15:13:36.87   0.6   66.5   1 b:1.4+1 1.1 5.0                   DUG 
 DAU  eP      15:13:39.04   0.8   66.8   3                                   DAU 
 WVT  eP      15:13:39.42  -2.0   67.4  23 b:2.3+0 .55 4.6                   WVT 
 JLU  eP      15:13:39.67   0.4   67.0   3                                   JLU 
 ELK  eP      15:13:40.66   0.8   67.1 359 b:1.4+1 1.6 4.9                   ELK 
 BGU  eP      15:13:41.55   0.6   67.3   1                                   BGU 
 KSU1 eP      15:13:42.73   0.2   67.5  15 b:2.4+1 1.0 5.3                   KSU1
 MOD  eP      15:13:48.34   0.1   68.4 355 b:1.8+1 1.3 5.1                   MOD 
 WVOR eP      15:13:51.93   1.0   68.9 357 b:1.1+1 1.2 4.9                   WVOR
 REDW eP      15:13:55.76  -0.9   69.8   3 b:1.7+1 1.4 5.0                   REDW
 TPAW eP      15:13:57.48   0.0   69.9   3 b:2.0+1 1.2 5.1                   TPAW
 MOOW eP      15:13:57.54  -1.5   70.2   3 b:9.4+0 1.2 4.8                   MOOW
 LOHW eP      15:13:57.57  -0.6   70.0   3 b:1.6+1 1.2 5.0                   LOHW
 HLID eP      15:13:57.87   0.6   69.9   0 b:1.9+1 1.2 5.1                   HLID
 IMW  eP      15:13:58.77  -1.2   70.3   3 b:2.4+1 1.2 5.2                   IMW 
 RSSD eP      15:14:03.79  -0.9   71.1   8 b:9.2+0 1.1 4.8                   RSSD
 MCMT eP      15:14:05.38   0.2   71.2   1                                   MCMT
 BMO  eP      15:14:05.50   0.2   71.2 358 b:1.2+1 1.5 4.8                   BMO 
 QLMT eP      15:14:05.89   0.5   71.2   2                                   QLMT
 DLMT eP      15:14:07.39  -0.9   71.7   1 b:1.2+1 1.1 4.9                   DLMT
 RLMT eP      15:14:07.64   0.2   71.6   4 b:2.3+0 .50 4.5                   RLMT
 ECSD eP      15:14:09.25  -0.5   72.0  14 b:2.2+0 .65 4.4                   ECSD
 BOZ  eP      15:14:09.62  -0.5   72.0   2 b:6.5+0 1.3 4.5                   BOZ 
 HRY  eP      15:14:16.65   0.3   73.1   2                                   HRY 
 MSO  eP      15:14:17.18   0.3   73.2   0 b:8.2+0 1.3 4.6                   MSO 
 CHMT eP      15:14:17.70   0.2   73.2   1                                   CHMT
 EGMT eP      15:14:25.12   0.6   74.5   3 b:1.9+1 1.2 5.0                   EGMT
 NEW  eP      15:14:25.83   0.5   74.6 358 b:2.0+1 1.2 5.0                   NEW 
 WALA eP      15:14:30.25   0.4   75.4   0 b:9.5+0 1.3 4.7                   WALA
 COWI eP      15:14:33.31   0.0   76.0  18 b:6.6+0 .90 4.7                   COWI
 ULM  eP      15:14:45.53  -0.8   78.4  12 b:7.2+0 1.1 4.6                   ULM 
 EDM  eP      15:14:51.70  -1.3   79.6   1                                   EDM 
 DLBC eP      15:15:25.37   0.2   85.8 352                                   DLBC
 SCHQ qP      15:15:48.46  -1.3   90.9  25 b:3.5+0 .95 4.7                   SCHQ
 ARU  ePKPdf  15:22:30.78  -0.5  149.9   8                                   ARU 
      ePKPbc  15:22:35.57  -0.5X
 ZAA0 ePKPbc  15:22:33.21  -1.3  149.2 337                                   ZAA0
 BRVK ePKPdf  15:22:35.93  -0.8  153.4 353                                   BRVK
      ePKPbc  15:22:43.55  -0.8X
 KURK ePKPbc  15:22:44.30  -1.3  154.0 341                                   KURK
 MK31 ePKPbc  15:22:48.15   7.7X 155.9 331                                   MK31



 Generated 2007 JUL 10 at 19:59 UTC

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

 


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