Phase Data

Explanation of Parameters


     27 JAN 2013  ( 27)

     ot  = 21:45:49.48   +/-   0.50              GUAM REGION                     
     lat =      13.287   +/-   12.4
     lon =     144.722   +/-   17.5              MAGNITUDE 4.5 (GS)       
     dep =        47.7   +/-    5.8   

     21 km (13 miles) S of HAGATNA, Guam (pop 40,000)
     109 km (68 miles) SSW of Rota, Northern Mariana Islands (pop 3,000)
     237 km (147 miles) SSW of SAIPAN, Northern Mariana Islands
     354 km (220 miles) SSW of Anatahan, Northern Mariana Islands
 
     Felt on Guam.

     nph =   21 of  22    se = 0.25    FE=216                            A   

     error ellipse = ( 85.0, 13.0, 27.8;178.0, 13.0, 19.5;311.0, 70.0,  4.1)

 mb = 4.5 ( 10)  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
 GUMO ePn     21:45:58.72   0.0    0.3  25                                   GUMO
      eSn     21:46:05.26  S res =   0.0 
 ANA2 ePn     21:46:37.52   0.4    3.2  17                                   ANA2
 SARN ePn     21:46:42.62   0.6    3.5  17                                   SARN
 PATS ePn     21:49:12.54  -3.8X  14.8 114                                   PATS
 WB2  eP      21:52:33.67  -0.1   34.6 197                                   WB2 
      eP      21:52:33.85   0.1 
 AS31 eP      21:53:05.17   0.2   38.2 196 b:2.0+0 .55 4.2                   AS31
 LSA  eP      21:54:54.98  -0.1   52.0 297 b:3.4+0 .85 4.4                   LSA 
 MAKZ eP      21:56:03.74   0.1   61.8 316 b:2.2+0 .80 4.3                   MAKZ
 NIL  eP      21:56:40.33   0.0   67.4 301 b:5.5+0 .75 4.7                   NIL 
 PINE eP      21:58:15.53   0.2   84.0  47 b:9.3+0 .70 4.9                   PINE
 BEKR eP      21:58:22.08   0.1   85.3  50 b:5.7+0 .70 4.8                   BEKR
 NV01 eP      21:58:31.32  -0.1   87.2  51                                   NV01
 MFID eP      21:58:33.15  -0.4   87.7  46 b:4.9+0 .65 4.9                   MFID
 HLID eP      21:58:37.75  -0.3   88.7  46 b:2.2+0 .80 4.5                   HLID
 ELK  eP      21:58:38.70  -0.6   88.9  48 b:3.0+0 .70 4.7                   ELK 
 TOA0 ePKPdf  22:05:02.97  -1.3  134.9 304                                   TOA0
 GO02 ePKPdf  22:05:23.31  -0.4  145.6 115                                   GO02
 PB11 ePKPdf  22:05:25.74   0.7  146.5 105                                   PB11
 MNMC ePKPdf  22:05:26.09   0.6  146.6 104                                   MNMC
 LPAZ ePKPbc  22:05:31.75   0.0  148.1  99                                   LPAZ



 Generated 2013 JAN 28 at 19:22 UTC

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