Phase Data

Explanation of Parameters


      3 FEB 2013  ( 34)

     ot  = 02:00:57.54   +/-   1.66              MARIANA ISLANDS REGION          
     lat =      17.257   +/-   13.5
     lon =     147.211   +/-   16.4              MAGNITUDE 4.8 (GS)       
     dep =        69.5   +/-    8.9   

     179 km (111 miles) ESE of Pagan, Northern Mariana Islands
     192 km (119 miles) ENE of Anatahan, Northern Mariana Islands
     278 km (172 miles) NE of SAIPAN, Northern Mariana Islands
     495 km (307 miles) NNE of HAGATNA, Guam

     nph =   26 of  26    se = 0.82    FE=215                            A   

     error ellipse = ( 99.0, 12.0, 25.8;189.0,  3.0, 20.7;293.0, 76.0, 12.6)

 mb = 4.8 ( 16)  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
 SARN ePn     02:01:22.31   0.1    1.5 248                                   SARN
 GUMO ePn     02:02:00.31   0.0    4.3 212                                   GUMO
 INU  eP      02:05:27.96   1.6   20.2 335 b:2.2+1 .90 4.5                   INU 
 MJB9 eP      02:05:34.18   1.0   20.8 339 b:1.2+2 1.9 4.9                   MJB9
 MAJO eP      02:05:34.18   1.0   20.8 339 b:1.1+2 1.9 4.9                   MAJO
 WB2  eP      02:08:17.17  -0.8   39.1 199                                   WB2 
      eP      02:08:18.35   0.4 
 WRAB eP      02:08:17.29  -0.6   39.0 199 b:1.4+1 .75 5.0                   WRAB
 AS01 eP      02:08:47.64  -0.1   42.7 198                                   AS01
 AS31 eP      02:08:48.39   0.6   42.7 198 b:1.3+0 .65 3.9                   AS31
 BBOO eP      02:09:52.59   0.8   50.9 192 b:3.3+1 1.6 5.1                   BBOO
 GSI  eP      02:09:54.47  -0.6   51.3 258 b:4.8+1 .80 5.6                   GSI 
 FORT eP      02:09:55.62   1.7   51.2 201 b:4.2+1 .60 5.7                   FORT
 ZALV eP      02:10:56.12  -0.9   60.0 323                                   ZALV
 ZAA0 eP      02:10:56.97   0.0   60.0 323 b:3.0+0 .75 4.5                   ZAA0
 MKAR eP      02:11:00.60   0.2   60.5 314 b:1.5+1 .60 5.3                   MKAR
 MK31 eP      02:11:00.60   0.2   60.5 314                                   MK31
 MK01 eP      02:11:00.89   0.6   60.5 314                                   MK01
 MAKZ eP      02:11:02.22   0.4   60.7 314 b:3.8+0 .65 4.7                   MAKZ
 KURK eP      02:11:18.63  -0.4   63.3 319 b:5.2+0 .80 4.6                   KURK
 BRVK eP      02:11:52.76  -0.1   68.6 321 b:5.2+0 .70 4.6                   BRVK
 KKAR eP      02:11:53.42  -1.1   68.8 310                                   KKAR
 KK31 eP      02:11:53.52  -1.0   68.8 310                                   KK31
 ARU  eP      02:12:31.75   0.0   75.1 325 b:6.1+0 .60 4.7                   ARU 
 ABKAReP      02:12:33.45  -0.2   75.4 318                                   ABKA
 NV01 eP      02:13:15.12  -0.1   82.9  52                                   NV01



 Generated 2013 FEB  3 at 02:18 UTC

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