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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     25 JUL 2007  (206)

     ot  = 01:41:33.63   +/-   2.71              VANUATU                         
     lat =     -15.715   +/-    8.1
     lon =     167.940   +/-   14.2              MAGNITUDE 5.1 (GS)       
     dep =       206.2   +/-   22.6   

     90 km (55 miles) ESE of Luganville, Espiritu Santo, Vanuatu (pop 11,000)
     230 km (140 miles) N of PORT-VILA, Efate, Vanuatu
     445 km (275 miles) NNW of Isangel, Tanna, Vanuatu
     2025 km (1250 miles) NE of BRISBANE, Queensland, Australia

     nph =   39 of  40    se = 1.14    FE=186                            B   

     error ellipse = (270.0, 62.1, 38.5; 95.5, 27.8, 13.8;  4.3,  2.3, 12.4)

 mb = 4.8 ( 20)  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
 HNR  ePn     01:43:53.26   0.5   10.0 308 d:3.5+1     6.1X L:8.9-1 .90 5.7X HNR 
                                           g:6.9-1 .90 4.8X b:6.9+2 .90 6.0X
 ARMA eP      01:46:00.90   0.3   20.9 223 b:2.5+0 .77 3.8X                  ARMA
 CTAO eP      01:46:02.53   0.3   21.1 255 b:1.7+2 .57 5.8                   CTAO
 PMG  eP      01:46:04.56   0.9   21.2 285 b:9.5+1 .67 5.4                   PMG 
 COEN eP      01:46:29.53  -0.2   24.0 271 g:8.3-2 .80 4.6X b:8.3+1 .80 5.4  COEN
 CAN  eP      01:46:46.22  -0.2   25.9 217                                   CAN 
 STKA eP      01:47:13.51   0.4   28.9 231                                   STKA
 WRAB eP      01:47:40.94  -1.8   32.2 257 b:2.4+1 .80 4.9                   WRAB
 WB2  eP      01:47:41.01  -1.7   32.2 257                                   WB2 
 KAKA eP      01:48:01.61  -1.4   34.6 270                                   KAKA
 FORT eP      01:48:43.33   0.0   39.4 240 b:2.1+1 .70 4.8                   FORT
 FITZ eP      01:48:52.35  -0.3   40.5 260                                   FITZ
 MBWA eP      01:49:36.22   0.1   45.9 256 b:1.5+2 1.1 5.3                   MBWA
 KAPI eP      01:49:54.52  -1.4   48.5 277                                   KAPI
 NWAO eP      01:49:57.90  -0.3   48.8 240 b:5.8+1 .80 5.1                   NWAO
 KKM  eP      01:50:48.91   0.4   55.6 289                                   KKM 
 MAJO eP      01:51:09.81  -2.5   59.1 332                                   MAJO
 KSM  eP      01:51:15.49   0.3   59.4 281                                   KSM 
 NACB eP      01:51:20.58   0.7   60.2 310 b:2.4+1 .74 5.0                   NACB
 YHNB eP      01:51:23.38   0.3   60.6 311 b:3.7+1 .65 5.2                   YHNB
 VNDA eP      01:51:30.96   0.2   61.9 181 b:3.6+0 1.0 4.1                   VNDA
 SBA  eP      01:51:33.62   1.1   62.2 180 b:1.3+1 .95 4.7                   SBA 
 CASY eP      01:51:37.52   0.2   62.9 203 b:6.7+0 .50 4.7                   CASY
 MDJ  eP      01:52:20.86   1.4   69.4 332 b:1.5+1 .80 4.8                   MDJ 
 QSPA eP      01:52:48.85   0.5   74.3 180 b:1.6+1 .85 4.8                   QSPA
      epP     01:53:32.21  depth = 179.2X
 CHTO eP      01:53:00.35   1.4   76.1 294 b:1.3+1 .80 4.7                   CHTO
 ULN  eP      01:53:38.46   1.0   83.3 324 b:9.9+0 .86 4.6                   ULN 
 TRF  eP      01:53:44.59  -2.4   85.3  17 b:1.3+1 1.4 4.5                   TRF 
 KTH  eP      01:53:46.20  -0.2   85.2  17                                   KTH 
 LSA  eP      01:53:56.59   1.8   86.6 302 b:6.5+0 .45 4.8                   LSA 
 PALK eP      01:54:09.11   1.9   89.3 278 b:8.4+0 .65 4.8                   PALK
 SNAA eP      01:54:20.44  -1.0   92.6 183 b:1.9+0 .60 4.4                   SNAA
 KIV  ePKPdf  02:00:09.24  -2.2  126.0 313                                   KIV 
 AQU  ePKPbc  02:00:48.16  -0.1  145.6 326                                   AQU 
 TIP  ePKPbc  02:00:49.53   1.2  145.6 318                                   TIP 
 CEL  ePKPbc  02:00:51.72   0.2  146.7 318                                   CEL 
 BNI  ePKPbc  02:00:51.93   0.4  146.8 335                                   BNI 
 TOA0 ePKPab  02:02:18.19  -0.3  166.4 261                                   TOA0
 DBIC ePKPab  02:02:27.55   0.2  168.6 219                                   DBIC



 Generated 2007 JUL 25 at 03:05 UTC

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

 


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