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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      6 MAY 2008  (127)

     ot  = 21:13:02.85   +/-   0.37              SANTIAGO DEL ESTERO, ARGENTINA  
     lat =     -25.753   +/-    4.4
     lon =     -63.240   +/-    5.5                                       
     dep =       585.6   +/-    4.6   

     230 km (145 miles) ENE of San Miguel de Tucuman, Argentina
     245 km (150 miles) ESE of Salta, Argentina
     245 km (155 miles) NNE of Santiago del Estero, Argentina
     1080 km (670 miles) NNW of BUENOS AIRES, Argentina

     nph =  107 of 118    se = 0.85    FE=129                            A   

     error ellipse = (241.8, 13.1,  8.9;129.7, 58.3,  7.2;339.0, 28.3,  5.7)

 mb = 4.5 ( 35)  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
 CPUP eP      21:14:39.75   2.1    5.3  98 b:2.0+2 .45 5.4                   CPUP
 LVC  eP      21:14:44.32   0.3    6.0 300 d:2.3+2     6.2X L:4.8-1 .50 4.7X LVC 
      qS      21:16:04.65  S res =  -1.9X  g:9.9-2 .70 3.8X b:2.5+2 .50 5.5 
 CFAA P       21:14:55.20   0.3    7.3 216                                   CFAA
      S       21:16:24.90  S res =  -2.3X
 LCO  eP      21:14:56.06   0.0    7.4 242                                   LCO 
      eS      21:16:28.81  S res =  -0.2X
 SIV  P       21:15:21.36   0.6    9.9  12                                   SIV 
      S       21:17:13.80  S res =   0.2X
 LPAZ eP      21:15:26.72  -0.1   10.5 333                                   LPAZ
      eS      21:17:23.08  S res =  -1.5X
 TRQA eP      21:15:42.35  -2.2   12.3 175                                   TRQA
 SPB  eP      21:16:06.99  -0.2   14.5  85 g:5.5-2 .85 4.0X b:5.5+1 .85 4.9  SPB 
 NNA  P       21:16:45.57  -0.7   18.8 314                                   NNA 
 USHA P       21:18:18.69  -0.2   29.3 186                                   USHA
 OTAV eP      21:18:25.14   1.5   29.7 328 g:1.4-2 .75 4.0X b:1.5+1 .50 4.9  OTAV
 ROSC eP      21:18:45.50   0.1   32.3 339                                   ROSC
 RCBR eP      21:18:50.71   1.3   32.8  58 b:1.4+1 .99 4.5                   RCBR
 SDV  eP      21:19:07.69  -1.7   35.2 347 b:2.5+1 1.0 4.8                   SDV 
 PCRV P       21:19:12.69  -1.2   35.7 358                                   PCRV
 PMSA qP      21:19:39.94   0.1   39.0 181                                   PMSA
 SJG  P       21:20:15.16  -2.1   43.7 356                                   SJG 
 CRPR eP      21:20:15.72  -1.2   43.7 355 b:1.6+1 .80 4.6                   CRPR
 CBYP eP      21:20:17.31  -1.1   43.8 356 b:1.2+1 .38 4.8                   CBYP
 SDDR eP      21:20:26.27  -2.2   45.1 349 b:1.4+2 2.3 5.1                   SDDR
 CMIG P       21:21:22.08  -1.0   52.5 321                                   CMIG
 DWPF eP      21:21:49.70   0.4   56.3 341 b:1.8+1 .79 4.4                   DWPF
 BBSR eP      21:21:59.04  -0.2   57.8 359                                   BBSR
 LRAL eP      21:22:30.63  -0.8   62.7 338 b:7.3+1 2.2 4.7                   LRAL
 SWET eP      21:22:41.21  -0.7   64.3 340                                   SWET
      ePcP    21:23:09.36  -0.9X
 PLAL eP      21:22:43.30  -1.6   64.8 338 b:2.4+1 1.2 4.5                   PLAL
 OXF  eP      21:22:44.04  -1.2   64.9 336                                   OXF 
 DBIC eP      21:22:47.72   0.1   65.2  69 b:1.3+1 .80 4.4                   DBIC
 WVT  eP      21:22:49.70  -1.2   65.8 338 b:1.7+1 .60 4.7                   WVT 
 JCT  eP      21:22:52.45   0.2   66.0 326 b:2.3+1 .75 4.7                   JCT 
 MIAR eP      21:22:55.16  -0.3   66.5 333 b:7.1+0 .70 4.3                   MIAR
 WCI  eP      21:22:58.76  -1.0   67.2 341 b:1.7+1 .90 4.6                   WCI 
 TXAR P       21:22:59.28  -0.2   67.1 322                                   TXAR
 SIUC eP      21:23:01.41  -1.1   67.7 338                                   SIUC
 SSPA eP      21:23:01.43   0.4   67.4 348                                   SSPA
 ACSO eP      21:23:04.91  -0.6   68.2 344                                   ACSO
 FVM  eP      21:23:05.81  -0.8   68.3 337 b:1.7+1 .70 4.7                   FVM 
 CCM  eP      21:23:07.87  -0.8   68.7 337                                   CCM 
 BINY eP      21:23:09.22   1.0   68.6 350 b:1.1+1 .70 4.5                   BINY
 WMOK eP      21:23:09.55  -0.8   68.9 329 b:1.9+0 .45 3.9                   WMOK
      ePcP    21:23:29.60  -0.1X
 ERPA eP      21:23:12.52   0.4   69.3 347 b:4.5+1 .60 5.2                   ERPA
 MNTX eP      21:23:14.72  -1.2   69.9 323 b:2.8+0 .63 3.9                   MNTX
 GDL2 eP      21:23:15.45   0.4   69.7 324                                   GDL2
 LBNH eP      21:23:17.37   0.4   70.1 353 b:2.6+0 .58 4.0                   LBNH
 PKME eP      21:23:22.42   0.9   70.9 356                                   PKME
 SUR  P       21:23:29.06   0.5   72.0 118                                   SUR 
 JFWS eP      21:23:31.96  -0.2   72.7 340 b:1.6+1 .65 4.7                   JFWS
 ANMO eP      21:23:34.59   0.7   72.9 324 b:4.4+0 .70 4.1                   ANMO
 TSUM eP      21:23:39.74   0.0   73.9 104 b:7.6+0 .85 4.3                   TSUM
 SDCO eP      21:23:44.07   0.8   74.6 326                                   SDCO
 COWI eP      21:23:46.51  -0.1   75.3 342 b:2.7+0 .48 4.0                   COWI
      ePcP    21:23:55.87  -0.7X
 ECSD eP      21:23:48.08  -0.5   75.6 336 b:1.0+1 .70 4.4                   ECSD
 MVCO eP      21:23:50.42   0.9   75.7 324                                   MVCO
 ISCO eP      21:23:53.60   1.2   76.3 328                                   ISCO
 SMCO eP      21:23:54.24   0.7   76.4 326 b:4.8+0 .58 4.2                   SMCO
 BOSA P       21:23:55.60  -0.6   76.9 116                                   BOSA
 EYMN eP      21:23:58.94  -0.5   77.6 341                                   EYMN
 PHWY eP      21:23:59.09   0.7   77.3 329                                   PHWY
 SRU  eP      21:24:03.52   0.6   78.2 324                                   SRU 
 LBTB eP      21:24:04.87  -0.3   78.6 112 b:5.7+0 .38 4.4                   LBTB
 MAW  eP      21:24:05.04   0.0   78.7 162                                   MAW 
 RWWY eP      21:24:05.08   0.7   78.5 328                                   RWWY
 TMUT eP      21:24:06.04   0.3   78.7 324 b:6.0+0 .59 4.2                   TMUT
 MSU  eP      21:24:06.32   1.0   78.7 323                                   MSU 
 RSSD eP      21:24:06.45  -0.3   78.9 331                                   RSSD
 CCUT eP      21:24:06.65   1.4   78.6 322                                   CCUT
 AGMN eP      21:24:08.34   0.1   79.3 339                                   AGMN
 GSC  eP      21:24:08.55   1.0   79.1 318                                   GSC 
 BW06 eP      21:24:10.92  -3.7X  80.4 327                                   BW06
 DAU  eP      21:24:11.25   1.1   79.5 325                                   DAU 
 JLU  eP      21:24:12.10   0.8   79.8 325                                   JLU 
 SCHQ eP      21:24:13.27  -0.1   80.3 358 b:4.4+0 .65 4.1                   SCHQ
 DUG  eP      21:24:14.02   0.7   80.2 324 b:6.5+0 .30 4.6                   DUG 
 PDAR P       21:24:14.45  -0.1   80.4 327                                   PDAR
 ISA  eP      21:24:14.79   0.7   80.3 317                                   ISA 
 HWUT eP      21:24:15.98   0.7   80.6 325 b:1.1+1 .83 4.4                   HWUT
 ULM  eP      21:24:16.70  -0.4   81.0 340                                   ULM 
 SPUT eP      21:24:17.34   0.8   80.8 325                                   SPUT
 LOHW eP      21:24:21.04   0.6   81.6 327                                   LOHW
 REDW eP      21:24:21.09   1.0   81.5 327                                   REDW
 RRI2 eP      21:24:21.60   0.3   81.7 327                                   RRI2
 M13A eP      21:24:21.82   0.5   81.8 324                                   M13A
 IMW  eP      21:24:22.77   0.4   81.9 327                                   IMW 
 NVAR P       21:24:23.05   0.0   82.1 320                                   NVAR
 RLMT eP      21:24:23.07   0.6   82.1 329                                   RLMT
 CMB  qP      21:24:28.25   0.5   83.0 318                                   CMB 
 HLID eP      21:24:30.78   1.0   83.4 325                                   HLID
 PAHR eP      21:24:31.02   0.7   83.5 320                                   PAHR
 DLMT eP      21:24:32.31   0.8   83.8 327                                   DLMT
 OHCM eP      21:24:35.53   0.6   84.5 319                                   OHCM
 LSZ  eP      21:24:37.75   0.9   84.8 104                                   LSZ 
 JTMT eP      21:24:43.88   0.3   86.3 328                                   JTMT
 YBMT eP      21:24:43.96   0.5   86.3 329                                   YBMT
 YBH  P       21:24:44.67  -1.1   86.8 320                                   YBH 
 FFC  eP      21:24:45.53   0.2   86.8 339                                   FFC 
 BSMT eP      21:24:45.65   0.5   86.7 328                                   BSMT
 WALA eP      21:24:46.81  -0.4   87.1 329                                   WALA
 FCC  eP      21:24:50.80  -0.1   88.0 345                                   FCC 
 ETW  eP      21:24:57.30   0.2   89.2 325                                   ETW 
 YKA  P       21:25:30.90  -1.0   97.0 339                                   YKA 
 ASAR PKP     21:31:03.20  -0.8  128.1 200                                   ASAR
 WRA  PKP     21:31:09.76  -0.5  131.5 202                                   WRA 
      SKPbc   21:33:39.96  -1.7X
 WRAB ePKPdf  21:31:10.34   0.0  131.5 202                                   WRAB
 ZAA0 ePKPdf  21:31:29.23  -1.4  143.2  32                                   ZAA0
 ZALV PKP     21:31:29.60  -1.0  143.2  32                                   ZALV
      SKPbc   21:34:14.10  -0.2X
 MKAR PKPbc   21:31:36.75   0.2  145.6  44                                   MKAR
      SKPbc   21:34:19.77  -0.3X
 MK31 ePKPbc  21:31:36.86   0.3  145.6  44                                   MK31



 Generated 2008 MAY 24 at 05:03 UTC

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


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