Phase Data

Explanation of Parameters


     19 JAN 2012  ( 19)

     ot  = 00:54:01.64   +/-   1.57              PHILIPPINE ISLANDS REGION       
     lat =      11.946   +/-   11.4
     lon =     126.164   +/-   13.8              MAGNITUDE 4.8 (GS)       
     dep =        46.1   +/-    7.6   

     112 km (69 miles) NNE of Guiuan, Samar, Philippines (pop N/A)
     148 km (92 miles) ENE of Tacloban, Leyte, Philippines (pop 178,000)
     170 km (106 miles) E of Calbayog, Samar, Philippines
     633 km (393 miles) ESE of MANILA, Philippines

     nph =   43 of  43    se = 0.77    FE=248                            A   

     error ellipse = ( 89.0,  8.0, 21.3;180.0,  7.0, 17.5;309.0, 78.0, 11.2)

 mb = 4.8 ( 30)  ML = 0.0 (  0)  mblg = 4.0 (  2)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 MYLDMePn     00:56:29.15   4.6   10.1 229                                   MYLD
 KKM  ePn     00:56:44.18   1.6   11.4 240                                   KKM 
 FAKI ePn     00:57:42.81  -0.3   16.0 157 b:3.5+1 1.1 4.4                   FAKI
 SBUM ePn     00:57:54.08   1.1   16.7 237 b:8.9+1 1.4 4.7                   SBUM
 KSM  eP      00:58:18.10   0.0   18.9 238 b:2.5+1 .90 4.4                   KSM 
 MMRI eP      00:58:39.90   0.5   20.8 191 b:1.3+2 1.3 5.1                   MMRI
 SOEI eP      00:58:48.64   0.3   21.6 185 b:3.9+1 .90 4.8                   SOEI
 JAGI eP      00:59:08.90   0.9   23.5 211 b:6.2+1 1.1 5.0                   JAGI
 MYKOMeP      00:59:13.18  -2.0   24.3 247 b:5.0+1 1.2 4.9                   MYKO
 JHJ2 eP      00:59:14.88  -1.8   24.5  29 b:2.8+2 1.1 5.7                   JHJ2
 SMRI eP      00:59:18.05   1.2   24.5 220 b:9.3+1 .90 5.3                   SMRI
 MTN  eP      00:59:20.32  -2.1   25.1 169 b:8.8+1 1.5 5.1                   MTN 
 IPM  eP      00:59:30.36   0.4   25.9 256 b:1.9+1 1.1 4.6                   IPM 
 CM01 eP      00:59:37.84  -1.8   27.0 287                                   CM01
 AS01 eP      01:00:57.94  -2.2   36.2 168                                   AS01
 ULN  eP      01:01:26.13   0.5   39.2 340 b:9.1+0 1.3 4.4                   ULN 
 SONA1eP      01:01:27.33   0.0   39.4 339                                   SONA
 FORT eP      01:01:52.28  -0.4   42.5 178 b:2.9+2 1.0 5.9                   FORT
 TLY  eP      01:02:01.90   0.4   43.6 340 b:2.0+1 1.9 4.5                   TLY 
 STKA eP      01:02:20.25  -0.4   46.0 162 b:3.6+0 1.1 4.2                   STKA
 MK01 eP      01:02:56.35   0.2   50.6 322                                   MK01
 MKAR eP      01:02:56.60   0.3   50.6 322 b:5.3+1 1.0 5.5                   MKAR
 MK31 eP      01:02:56.60   0.3   50.6 322                                   MK31
 MAKZ eP      01:02:57.97   0.2   50.8 322 b:3.0+1 1.4 5.1                   MAKZ
 ZALV eP      01:03:13.92  -0.6   53.1 331                                   ZALV
 AAK  eP      01:03:21.38  -0.6   54.1 314 b:1.7+1 1.6 4.8                   AAK 
 KURK eP      01:03:25.86   0.2   54.6 325 b:3.4+1 1.1 5.3                   KURK
 KBL  eP      01:03:37.67  -0.6   56.3 304 b:1.3+1 1.2 4.8                   KBL 
 KKAR eP      01:03:43.11   0.2   57.0 314 b:1.1+2 1.2 5.8                   KKAR
 BRVK eP      01:04:05.56   0.0   60.3 325 b:1.4+1 1.1 5.0                   BRVK
 BKNI eS      01:04:21.21  -0.4   27.5 247                                   BKNI
 ABKAReP      01:04:40.50   0.0   65.6 319 b:6.5+1 1.2 5.5                   ABKA
 ARU  eP      01:04:53.74  -0.8   67.8 326 b:2.4+1 1.4 5.1                   ARU 
 GNI  eP      01:05:43.54  -0.2   75.9 309 b:4.4+1 1.4 5.2                   GNI 
 RAYN eP      01:05:48.58  -0.8   76.9 292 b:2.1+1 1.1 5.1                   RAYN
 MCK  eP      01:05:50.68   0.6   77.1  27 b:8.1+0 1.0 4.7                   MCK 
 IL1  eP      01:05:54.64  -0.2   78.0  26                                   IL1 
 PAX  eP      01:06:01.48   2.4   78.7  28 b:3.6+1 1.8 5.0                   PAX 
 COLA epP     01:06:03.57  -0.1   77.6  26                                   COLA
 CCB  epP     01:06:04.24   0.4   77.6  26                                   CCB 
 DAWY eP      01:06:15.60   2.7   81.3  26                                   DAWY
      epP     01:06:25.07  depth =   1.0 
 AK11 epP     01:06:43.32  -1.7   85.3 321                                   AK11



 Generated 2012 JAN 19 at 01:12 UTC

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