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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      2 JUL 2007  (183)

     ot  = 19:58:09.97   +/-   0.69              SALTA, ARGENTINA                
     lat =     -24.207   +/-    7.2
     lon =     -66.846   +/-   12.7                                       
     dep =       180.7   +/-    9.5   

     155 km (95 miles) W of San Salvador de Jujuy, Argentina (pop 230,000)
     160 km (100 miles) WNW of Salta, Argentina (pop 462,000)
     285 km (180 miles) SE of Calama, Chile
     1395 km (870 miles) NW of BUENOS AIRES, Argentina

     nph =   12 of  15    se = 0.83    FE=129                            B   

     error ellipse = (289.5, 30.0, 22.9; 93.5, 59.0, 10.8;195.4,  7.0,  9.4)

 mb = 4.1 (  1)  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
 LVC  ePn     19:58:53.39   0.7    2.5 309                                   LVC 
      eSn     19:59:20.61  S res =  -5.2X
 LCO  eP      19:59:34.67  -1.2    5.9 215                                   LCO 
 CFAA P       19:59:56.53   0.2    7.5 189                                   CFAA
      S       20:01:16.90  S res =  -3.7X
 LPAZ P       20:00:03.17  -0.3    8.0 351                                   LPAZ
      S       20:01:30.38  S res =  -2.8X
 SIV  P       20:00:27.30   0.2    9.8  35                                   SIV 
 PLCA P       20:01:54.03   0.4   16.8 190                                   PLCA
 BDFB P       20:02:24.88  -0.1   19.6  68                                   BDFB
 QSPA eP      20:08:38.23   1.4   66.0 180 b:1.6+0 .46 4.1                   QSPA
 TORD P       20:09:40.05  -0.8   76.5  69                                   TORD
 ASAR PKP     20:16:55.10  -0.6  128.3 204                                   ASAR
 WRA  PKP     20:17:01.53  -0.3  131.5 207                                   WRA 
 MKAR PKPbc   20:17:30.52   0.4  146.6  40                                   MKAR



 Generated 2007 JUL 24 at 13:58 UTC

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

 


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