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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     14 JUL 2007  (195)

     ot  = 16:17:21.31   +/-   0.75              SEA OF JAPAN                    
     lat =      37.412   +/-    8.9
     lon =     135.787   +/-    7.4              MAGNITUDE 4.2 (GS)       
     dep =       325.1   +/-    8.3   

     120 km (75 miles) NW of Kanazawa, Honshu, Japan (pop 453,000)
     155 km (95 miles) NNW of Fukui, Honshu, Japan (pop 255,000)
     230 km (140 miles) WNW of Nagano, Honshu, Japan
     405 km (250 miles) WNW of TOKYO, Japan

     nph =   25 of  26    se = 1.14    FE=660                            A   

     error ellipse = (  3.7, 17.2, 13.7;142.4, 67.6, 12.7;269.3, 13.9, 11.3)

 mb = 4.2 ( 19)  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
 MAJO ePn     16:18:09.27  -2.0    2.1 113 d:1.7+2     4.4X L:8.3-1 .70 3.6X MAJO
                                           g:4.9-1 .70 3.9X
 INCN ePn     16:19:08.93   2.5    7.3 273 d:8.5+0     3.8X L:4.7-2 .55 3.9X INCN
                                           g:2.6-2 .95 3.2X b:2.5+1 .55 4.4 
 MDJ  ePn     16:19:23.53   1.5    8.6 329 d:1.5+1     4.8X L:1.5-2 .60 3.7X MDJ 
                                           g:1.4-2 1.0 3.0X b:8.2+0 .60 4.0 
 YSS  ePn     16:19:49.58   0.3   10.8  26 g:5.2-2 1.2 3.7X b:6.3+1 .35 5.3X YSS 
 BJT  eP      16:20:42.96   0.1   15.5 286 g:2.7-2 .70 3.9X b:1.8+1 .45 4.7  BJT 
      e       16:20:54.03   4.2X
 HIA  eP      16:20:53.31  -0.9   16.6 321 g:1.3-2 .65 3.6X b:1.3+1 .65 4.5  HIA 
 MA2  qP      16:22:08.68  -0.1   24.2  19 b:1.6+1 .90 4.4                   MA2 
 LSA  eP      16:24:07.12   0.0   37.7 272 b:2.5+0 .45 3.9                   LSA 
 MK31 eP      16:24:24.76  -1.3   40.1 301                                   MK31
 NIKO eP      16:24:31.92  -0.7   40.9  49 b:7.4+0 .82 4.0                   NIKO
 KURK eP      16:24:41.04  -1.5   42.1 307 b:1.5+1 .80 4.3                   KURK
 TKM2 eP      16:25:09.16   0.0   45.5 297 b:8.4+0 .50 4.3                   TKM2
 UCH  eP      16:25:16.92   0.1   46.4 296 b:4.8+0 .55 4.0                   UCH 
 EKS2 eP      16:25:18.91  -0.7   46.8 297 b:5.6+0 .75 3.9                   EKS2
 BRVK eP      16:25:20.22  -0.5   47.0 311 b:4.0+0 .44 4.0                   BRVK
 AML  eP      16:25:21.68   0.2   47.0 296 b:3.4+1 .58 4.8                   AML 
 IMA2 eP      16:25:33.87   0.8   48.7  31                                   IMA2
 ARU  eP      16:26:04.48  -1.2   53.1 317 b:1.3+1 .85 4.3                   ARU 
 INK  eP      16:26:27.32   0.4   56.1  27 b:6.7+1 .52 5.3X                  INK 
 WB2  eP      16:26:34.71   0.4   57.1 182                                   WB2 
 CTAO qP      16:26:42.10   1.0   58.0 168 b:9.4+0 1.0 4.2                   CTAO
 MBWA eP      16:26:55.51  -0.2   60.2 197 b:2.4+0 .50 4.0                   MBWA
 KIV  eP      16:27:40.30  -0.9   67.2 309 b:7.4+0 .75 4.5                   KIV 
 GNW  eP      16:28:01.19   1.8   70.2  45 b:2.8+0 .42 4.3                   GNW 
 BMO  eP      16:28:27.88   0.9   74.9  45 b:9.8-1 .80 3.6                   BMO 



 Generated 2007 JUL 18 at 15:05 UTC

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

 


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