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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      2 JUL 2007  (183)

     ot  = 16:35:26.75   +/-   0.47              SAN JUAN, ARGENTINA             
     lat =     -31.135   +/-    4.2
     lon =     -68.762   +/-    7.6                                       
     dep =       105.5   +/-    6.4   

     50 km (30 miles) NNW of San Juan, Argentina (pop 421,000)
     195 km (120 miles) N of Mendoza, Argentina
     235 km (145 miles) ENE of Illapel, Chile
     1020 km (630 miles) WNW of BUENOS AIRES, Argentina
 
     MD 3.6 (GUC).

     nph =   21 of  34    se = 0.84    FE=137                            A   

     error ellipse = (265.9, 36.2, 13.5;131.6, 43.6,  7.9; 15.6, 24.7,  5.9)

 mb = 0.0 (  0)  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
 CFAA P       16:35:44.80   0.5    0.6 136                                   CFAA
      S       16:35:58.38  S res =   0.9X
 CMCH iPc     16:35:58.43  -0.2    1.9 268                                   CMCH
      iS      16:36:22.59  S res =  -0.3X
 TLL  iPc     16:36:00.54   0.6    2.0 298                                   TLL 
      iS      16:36:25.86  S res =   0.7X
 OVCH iPd     16:36:01.11  -0.5    2.2 283                                   OVCH
      iS      16:36:26.85  S res =  -1.5X
 JACH iPc     16:36:02.80   0.7    2.2 225                                   JACH
      iS      16:36:29.94  S res =   0.7X
 LSCH iPd     16:36:04.98  -0.6    2.5 299                                   LSCH
      iS      16:36:33.87  S res =  -1.5X
 LCO  ePn     16:36:09.12   0.1    2.7 321 d:1.7+2     4.6X L:4.4-1 .35 3.7X LCO 
      eSn     16:36:37.65  S res =  -3.7X  g:1.4-1 .65 3.5X
 PCH  iPc     16:36:11.93   0.7    2.9 210                                   PCH 
      iS      16:36:46.45  S res =   0.9X
 TACH iPc     16:36:13.62  -0.5    3.1 216                                   TACH
 VACH iPc     16:36:13.92   0.1    3.1 325                                   VACH
      iS      16:36:49.49  S res =  -0.5X
 CHCH iPc     16:36:15.85   0.3    3.2 209                                   CHCH
      iS      16:36:53.41  S res =   0.2X
 CACH iPd     16:36:18.17   0.7    3.4 207                                   CACH
      iS      16:36:57.47  S res =   0.8X
 SFDO eP      16:36:25.57   0.1    4.0 208                                   SFDO
      iS      16:37:10.06  S res =  -0.9X
 LVC  P       16:37:25.51  -1.7    8.5 359                                   LVC 
      LR      16:40:58.92                                  
 PLCA P       16:37:41.22  -1.9    9.7 188                                   PLCA
 LPAZ P       16:38:52.30   1.1   14.8   2                                   LPAZ
 SIV  P       16:39:13.74   0.1   16.6  27                                   SIV 
 TXAR P       16:46:19.65   0.6   68.7 328                                   TXAR
 TORD P       16:47:28.43   0.0   80.6  69                                   TORD
 WRA  PKP     16:54:13.68  -0.7  124.6 207                                   WRA 
 ZALV PKPbc   16:55:05.68   0.5  150.3  32                                   ZALV



 Generated 2007 JUL 23 at 19:39 UTC

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

 


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