Phase Data

Explanation of Parameters


      7 APR 2013  ( 97)

     ot  = 23:32:38.47   +/-   1.97              LA RIOJA, ARGENTINA             
     lat =     -29.447   +/-   11.1
     lon =     -68.047   +/-   13.8              MAGNITUDE 4.7 (GS)       
     dep =       101.5   +/-    5.2   

     111 km (69 miles) NE of San Jose de Jachal, San Juan, Argentina (pop 10,000
     116 km (72 miles) W of La Rioja, La Rioja, Argentina (pop 143,000)
     222 km (138 miles) SSW of Belen, Catamarca, Argentina
     1052 km (653 miles) WNW of BUENOS AIRES, D.F., Argentina

     nph =   38 of  55    se = 0.97    FE=137                            A   

     error ellipse = (244.0,  9.0, 22.3;151.0, 20.0, 17.0;356.0, 67.0,  4.2)

 mb = 4.7 ( 27)  ML = 4.4 ( 12)  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
 LCO  ePn     23:33:17.19   1.2    2.4 280 L:1.0+1 .40 4.9                   LCO 
      eSn     23:33:45.30  S res =   0.5 
 GO04 ePn     23:33:19.02   1.2    2.5 253 L:3.5+1 .45 5.4                   GO04
      eSn     23:33:49.36  S res =   1.3 
 GO03 ePn     23:33:21.17   1.3    2.7 313 L:2.6+0 .47 4.4                   GO03
      eSn     23:33:52.66  S res =   0.9 
 ROC1 ePn     23:33:41.51  -1.0    4.3 215 L:1.0+0 .55 4.5                   ROC1
 PEL  ePn     23:33:41.64  -0.4    4.3 211 L:5.2-1 1.4 4.2                   PEL 
 GO02 ePn     23:33:45.85   1.4    4.5 342 L:6.7-1 .77 4.4                   GO02
 PB10 ePn     23:34:07.79  -1.3    6.3 339                                   PB10
 LVC  ePn     23:34:17.17   0.5    6.9 353                                   LVC 
 PB04 ePn     23:34:21.33  -1.7    7.3 345                                   PB04
 PB01 ePn     23:34:36.56  -1.9    8.5 351                                   PB01
 GO01 ePn     23:34:54.65  -2.2    9.8 354                                   GO01
 TRQA ePn     23:34:58.56   0.0   10.0 151                                   TRQA
 CPUP ePn     23:34:58.82   0.0   10.0  74                                   CPUP
 MNMC ePn     23:35:02.41  -2.0   10.4 352                                   MNMC
 GO06 ePn     23:35:03.67  -2.3   10.5 195                                   GO06
 LPAZ ePn     23:35:44.55   3.3   13.1 360                                   LPAZ
 GO07 ePn     23:35:56.07  -0.8   14.4 197                                   GO07
 SDV  eP      23:39:47.87  -0.7   38.2 356 b:8.9+0 1.0 4.6                   SDV 
 Z50A eP      23:43:04.57  -0.6X  64.6 343 b:1.4+1 1.0 4.8                   Z50A
 X51A eP      23:43:11.70   0.2X  65.6 345 b:1.8+1 .75 5.1                   X51A
 X48A eP      23:43:14.27   0.0X  66.0 343 b:7.7+0 .50 4.9                   X48A
 W50A eP      23:43:15.12  -1.0X  66.3 345 b:1.5+1 1.0 4.9                   W50A
 SWET eP      23:43:17.14   0.0X  66.5 344 b:1.4+1 .64 5.0                   SWET
 PLAL eP      23:43:18.67  -0.5X  66.8 342 b:5.1+0 .85 4.5                   PLAL
 V48A eP      23:43:21.37  -0.3X  67.2 344 b:1.2+1 .70 4.9                   V48A
 WLAR eP      23:43:22.43   1.3X  67.1 337 b:2.4+1 1.3 4.9                   WLAR
 WVT  eP      23:43:24.97  -0.6   67.8 343 b:2.2+1 .70 5.2                   WVT 
 TX31 eP      23:43:25.42   0.9X  67.6 327 b:6.8+0 1.6 4.3                   TX31
 T47A eP      23:43:29.10  -0.4X  68.5 344 b:6.3+0 .80 4.5                   T47A
 FVM  eP      23:43:40.50  -0.1X  70.3 341 b:1.4+1 .75 4.9                   FVM 
 CCM  eP      23:43:42.59   0.2   70.6 341 b:8.7+0 .90 4.6                   CCM 
 MSTX eP      23:43:46.37   0.4X  71.1 330 b:5.3+0 .70 4.5                   MSTX
 X16A eP      23:44:14.02   1.6X  75.6 324 b:3.3+0 1.0 4.1                   X16A
 ECSD eP      23:44:22.02   0.0X  77.4 339 b:6.6+0 1.1 4.4                   ECSD
 L42A epP     23:44:25.52  -2.6   73.8 343                                   L42A
 CCUT eP      23:44:31.99   0.5   79.0 325 b:3.6+0 1.0 4.1                   CCUT
 TOA0 eP      23:44:33.74  -0.1   79.4  69 b:4.6+0 .65 4.4                   TOA0
      eP      23:44:34.00   0.1 
 KSCO epP     23:44:35.20  -1.9   75.4 333                                   KSCO
 TRQ  epP     23:44:36.67  -1.4   75.5 355                                   TRQ 
 PD31 eP      23:44:44.29   0.3   81.4 330 b:1.4+1 1.9 4.5                   PD31
 PDAR eP      23:44:44.46   0.5   81.4 330                                   PDAR
 AHID eP      23:44:47.37  -0.1   82.0 329 b:1.7+1 1.8 4.6                   AHID
 GAR  ePKPdf  23:52:02.55  -0.6  144.5  64                                   GAR 
 AAK  ePKPbc  23:52:10.69   0.5  147.2  57                                   AAK 
 ZALV ePKPbc  23:52:13.17   0.1  148.6  31                                   ZALV
 ZAA0 ePKPbc  23:52:13.67   0.6  148.6  31                                   ZAA0
 MK01 ePKPbc  23:52:19.57  -0.2X 151.2  45                                   MK01
      ePKPab  23:52:28.53   0.6 
 MK31 ePKPbc  23:52:19.60  -0.1  151.2  45                                   MK31
      ePKPab  23:52:28.15   0.3X
 P42A eS      23:53:00.75  -0.6X  71.8 342                                   P42A



 Generated 2013 APR  7 at 23:59 UTC

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