Phase Data

Explanation of Parameters


     23 SEP 2012  (267)

     ot  = 06:30:27.11   +/-   1.53              PHILIPPINE ISLANDS REGION       
     lat =      13.168   +/-    6.6
     lon =     126.280   +/-   16.3              MAGNITUDE 4.9 (GS)       
     dep =        37.8   +/-    8.3   

     219 km (136 miles) NE of Calbayog, Samar, Philippines
     244 km (151 miles) NNE of Guiuan, Samar, Philippines
     248 km (154 miles) ESE of Pandan, Catanduanes, Philippines
     594 km (369 miles) ESE of MANILA, Philippines

     nph =   40 of  50    se = 0.75    FE=248                            A   

     error ellipse = ( 90.0,  7.0, 25.1;331.0, 74.0, 12.3;181.0, 13.0, 10.0)

 mb = 4.9 (  1)  ML = 5.2 (  2)  mblg = 4.5 (  2)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 DAV  ePn     06:31:55.43   0.6    6.1 187 L:1.6+0 2.0 5.2  g:5.9-1 1.0 4.4  DAV 
 TWG  ePn     06:32:58.15  -1.1   10.8 334                                   TWG 
 YULB ePn     06:33:04.57  -0.4   11.2 336                                   YULB
      eSn     06:35:00.46  S res =  -8.6X
 TPUB ePn     06:33:06.91  -0.8   11.4 333                                   TPUB
 YOJ  ePn     06:33:10.51  -0.5   11.7 345                                   YOJ 
 SSLB ePn     06:33:11.23  -0.5X  11.7 335                                   SSLB
      eSn     06:35:18.16  S res =  -3.0 
 NACB ePn     06:33:13.73   0.6   11.8 339                                   NACB
      eSn     06:35:18.76  S res =  -4.9X
 YHNB ePn     06:33:19.94  -0.5X  12.3 339                                   YHNB
      eSn     06:35:31.51  S res =  -5.3X
 TATO ePn     06:33:22.77  -0.9   12.6 340                                   TATO
 LUWI ePn     06:33:50.94   0.5   14.5 194                                   LUWI
 MMRI eP      06:35:18.81   0.3   22.0 191 b:5.5+1 .80 5.0                   MMRI
 JAGI eP      06:35:45.52   1.2   24.6 210 b:3.7+1 .80 5.0                   JAGI
 KS01 eP      06:35:48.04   7.5   24.3   3                                   KS01
 MTN  eP      06:35:59.59   0.3   26.3 169 b:2.4+1 1.1 4.7                   MTN 
 CM31 eP      06:36:03.47  -0.5   26.8 285                                   CM31
 CM01 eP      06:36:03.97   0.1   26.8 285                                   CM01
 PSI  eP      06:36:20.99  -2.7   29.0 251 b:4.3+1 1.9 4.8                   PSI 
 FITZ eP      06:36:41.68  -0.2   31.1 181 b:5.8+0 .85 4.4                   FITZ
 USA0BepP     06:36:51.97  -0.8X  31.3   8                                   USA0
 COEN eP      06:36:53.94   6.3X  31.7 148 b:9.2+0 .80 4.7                   COEN
 WB2  eP      06:37:05.94  -0.2   33.8 166                                   WB2 
 WRAB eP      06:37:06.42   0.3   33.8 166 b:6.1+0 .80 4.6                   WRAB
 AS01 eP      06:37:36.80   0.4   37.4 168                                   AS01
 AS31 eP      06:37:37.54   1.2   37.4 168 b:2.7+0 .60 4.3                   AS31
 COCO eP      06:37:46.61   0.0   38.6 231 b:2.8+2 .50 6.3                   COCO
 FORT eP      06:38:28.75   0.0   43.7 178 b:3.4+1 .70 5.2                   FORT
 MKAR eP      06:39:15.35  -0.6   49.8 321 b:6.2+1 .80 5.7                   MKAR
 MK31 eP      06:39:15.35  -0.6   49.8 321                                   MK31
 MK01 eP      06:39:15.49  -0.3   49.7 321                                   MK01
 MAKZ eP      06:39:17.52   0.1   50.0 321                                   MAKZ
      epP     06:39:24.42  depth =  -2.4X
 ZALV eP      06:39:33.50   0.0   52.1 330                                   ZALV
 ZAA0 eP      06:39:33.97   0.5   52.1 330 b:9.9+0 .85 4.8                   ZAA0
 KURK eP      06:39:45.53   0.2   53.7 324 b:2.7+1 1.0 5.2                   KURK
 KK31 eP      06:40:05.35   1.4   56.3 313                                   KK31
 KKAR eP      06:40:05.35   1.4   56.3 313                                   KKAR
 BRVK eP      06:40:25.86   0.2   59.4 325 b:7.8+0 .80 4.9                   BRVK
 ABKAReP      06:41:00.30  -1.2   64.7 319                                   ABKA
 ARU  eP      06:41:14.57  -0.4   66.8 326 b:5.2+0 .70 4.7                   ARU 
 CHGN eP      06:41:40.10  -0.7   71.0  35 b:1.2+2 .72 6.0                   CHGN
 IM3  epP     06:42:06.69  -1.6X  74.0  25                                   IM3 
 RAYN eP      06:42:12.86  -1.1   76.5 291 b:1.8+1 1.6 4.8                   RAYN
 BPAW epP     06:42:13.30  -1.4X  75.1  27                                   BPAW
 BUR04eP      06:43:11.77  -0.4   87.7 318                                   BUR0
 BUR08eP      06:43:12.25   0.1   87.7 318                                   BUR0
 DZM  eS      06:47:02.64  -1.4   52.7 131                                   DZM 



 Generated 2012 SEP 23 at 06:51 UTC

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