Phase Data

Explanation of Parameters


      1 FEB 2013  ( 32)

     ot  = 23:16:04.52   +/-   0.61              GUAM REGION                     
     lat =      13.787   +/-    5.7
     lon =     144.592   +/-   18.8              MAGNITUDE 4.5 (GS)       
     dep =       153.9   +/-    7.9   

     38 km (24 miles) NNW of HAGATNA, Guam (pop 40,000)
     77 km (48 miles) WSW of Rota, Northern Mariana Islands (pop 3,000)
     198 km (123 miles) SW of SAIPAN, Northern Mariana Islands
     307 km (190 miles) SSW of Anatahan, Northern Mariana Islands

     nph =   32 of  32    se = 0.30    FE=216                            A   

     error ellipse = (100.0, 11.0, 29.9;346.0, 63.0, 11.5;195.0, 23.0,  5.6)

 mb = 4.4 ( 23)  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     23:16:25.74   0.1    0.3 126                                   GUMO
      eSn     23:16:41.13  S res =  -0.6 
 FAKI eP      23:20:33.84   1.8   20.6 217 b:3.7+1 1.1 4.7                   FAKI
 MAJO eP      23:20:59.08  -0.2   23.4 347 b:2.3+1 1.1 4.6                   MAJO
 MJB9 eP      23:20:59.28  -0.1   23.4 347 b:2.3+1 1.1 4.6                   MJB9
 WRAB eP      23:22:42.28   0.0   35.0 197 b:1.2+1 .75 4.7                   WRAB
 WB2  eP      23:22:42.54   0.2   35.0 197 b:1.3+1 1.2 4.5                   WB2 
 FITZ eP      23:22:57.47  -0.1   36.8 211 b:3.8+0 1.1 4.0                   FITZ
 AS31 eP      23:23:13.14  -0.2   38.7 196 b:1.9+0 1.5 3.6                   AS31
 CM01 eP      23:23:57.44   0.4   44.0 282                                   CM01
 SONA1eP      23:24:16.21   0.4   46.4 325                                   SONA
 LSA  eP      23:24:57.14   0.6   51.7 297 b:3.9+0 .60 4.3                   LSA 
 ZALV eP      23:26:00.44  -3.1   61.3 324                                   ZALV
 MK01 eP      23:26:02.69  -0.1   61.1 316                                   MK01
 MK31 eP      23:26:02.80   0.0   61.2 316                                   MK31
 MKAR eP      23:26:02.88   0.1   61.2 316 b:3.5+1 .35 5.7                   MKAR
 MAKZ eP      23:26:04.26   0.0   61.4 316 b:4.1+0 .45 4.7                   MAKZ
 KURK eP      23:26:22.39  -0.8   64.3 320 b:4.1+0 .85 4.4                   KURK
 NIL  eP      23:26:41.42   0.0   67.0 301 b:4.9+0 .60 4.5                   NIL 
 IL1  eP      23:26:47.89  -2.1   68.5  25                                   IL1 
 PINE eP      23:28:17.16   0.3   83.8  47 b:6.6+0 .80 4.5                   PINE
 NEW  eP      23:28:24.14   0.1   85.3  42 b:6.9+0 .95 4.5                   NEW 
 BMO  eP      23:28:28.00  -0.1   86.0  45 b:4.8+0 .90 4.3                   BMO 
 NV01 eP      23:28:32.85  -0.2   87.0  51                                   NV01
 KVN  eP      23:28:33.21   0.2   87.0  51 b:3.3+0 .72 4.3                   KVN 
 ELK  eP      23:28:40.95   0.1   88.7  48 b:4.9+0 .75 4.6                   ELK 
 TPNV eP      23:28:42.25  -0.1   89.0  52 b:5.6+0 .70 4.7                   TPNV
 SHPR eP      23:28:47.34   0.4   90.0  52 b:3.6+0 .80 4.4                   SHPR
 HVU  eP      23:28:47.87   0.4   90.1  47 b:2.5+0 1.0 4.2                   HVU 
 HWUT eP      23:28:51.66  -0.1   91.0  47 b:1.8+0 .75 4.3                   HWUT
 W13A eP      23:28:53.80   0.3   91.4  53 b:2.1+0 .80 4.3                   W13A
 U15A eP      23:28:58.07   0.7   92.2  52 b:2.2+0 1.0 4.3                   U15A



 Generated 2013 FEB  2 at 03:09 UTC

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