Phase Data

Explanation of Parameters


      4 APR 2013  ( 94)

     ot  = 02:27:06.03   +/-   1.77              LUZON, PHILIPPINES              
     lat =      15.834   +/-    8.0
     lon =     121.731   +/-    8.0              MAGNITUDE 5.3 (GS)       
     dep =        38.1   +/-    9.1   

     90 km (56 miles) ENE of Cabanatuan, Luzon, Philippines (pop 222,000)
     138 km (85 miles) ESE of Baguio, Luzon, Philippines (pop 252,000)
     145 km (90 miles) ENE of Angeles, Luzon, Philippines (pop 263,000)
     158 km (98 miles) NNE of MANILA, Philippines (pop 9,932,000)

     nph =   61 of  77    se = 0.87    FE=249                            A   

     error ellipse = (302.0, 31.0, 16.0;167.0, 48.0, 14.4; 47.0, 23.0,  4.2)

 mb = 5.3 ( 54)  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
 TWG  ePn     02:28:45.01  -0.7    7.0 355                                   TWG 
      eSn     02:29:58.81  S res =  -5.0 
 TPUB ePn     02:28:52.96   0.0    7.5 352                                   TPUB
      eSn     02:30:07.88  S res =  -8.9 
 YULB ePn     02:28:53.46   0.1    7.5 357                                   YULB
      eSn     02:30:14.18  S res =  -3.3 
 SSLB ePn     02:29:00.16   1.1    8.0 355                                   SSLB
 NACB ePn     02:29:03.56  -0.3    8.3 359                                   NACB
      eSn     02:30:31.22  S res =  -5.2 
 YOJ  ePn     02:29:10.24   1.2    8.7   8                                   YOJ 
      eSn     02:30:41.63  S res =  -3.9 
 YHNB ePn     02:29:12.06   1.3X   8.8 358                                   YHNB
      eSn     02:30:46.08  S res =  -2.7 
 TATO ePn     02:29:15.39   0.6    9.1 359                                   TATO
      eSn     02:30:50.64  S res =  -5.3 
 JOW  ePn     02:30:00.94  -0.8   12.5  28                                   JOW 
      eSn     02:32:17.44  S res =  -2.6X
 LUWI ePn     02:31:00.08   1.5   16.8 176 b:1.5+2 .80 5.2                   LUWI
 JNU  eP      02:31:27.09   1.4   19.1  24 b:9.5+1 .80 5.1                   JNU 
 KAPI eP      02:31:46.85   2.6   20.8 186 b:7.8+1 1.1 5.0                   KAPI
 FAKI eP      02:31:50.81   0.8   21.3 150 b:5.6+1 .80 5.0                   FAKI
 CM01 eP      02:31:56.29   0.1   21.9 280                                   CM01
 CHTO eP      02:31:57.18   0.6   21.9 281 b:2.8+1 .95 4.7                   CHTO
 KS01 eP      02:31:57.89  -1.6X  22.2  13                                   KS01
 CM31 eP      02:31:57.95   1.6   21.9 280 b:5.5+1 .90 5.0                   CM31
 KS15 eP      02:31:58.67  -1.0X  22.3  13 b:3.6+1 .70 4.9                   KS15
 INU  eP      02:32:14.86  -0.3   23.8  32 b:7.3+1 .70 5.3                   INU 
 MMRI eP      02:32:20.09  -0.1   24.3 179 b:8.1+1 1.1 5.2                   MMRI
 JAGI eP      02:32:29.16   0.1X  25.3 198 b:7.2+1 1.2 5.1                   JAGI
 MAJO eP      02:32:29.69   0.6   25.3  32 b:1.4+1 .80 4.6                   MAJO
 MJB9 eP      02:32:29.70   0.6X  25.3  32 b:1.4+1 .82 4.6                   MJB9
 BKNI eP      02:32:32.51   0.7   25.6 235 b:8.0+1 .70 5.4                   BKNI
 PSI  eP      02:32:34.46  -1.1   26.0 242 b:5.6+1 .90 5.2                   PSI 
 SOEI eP      02:32:34.71   3.1X  25.5 174 b:1.2+2 1.0 5.4                   SOEI
 LHMI eP      02:32:41.01   0.8   26.5 249 b:8.4+1 .80 5.4                   LHMI
 CISI eP      02:32:46.36   1.5   27.0 212 b:1.2+2 1.0 5.5                   CISI
 MNAI eP      02:32:47.81   0.1   27.3 224 b:2.0+2 1.2 5.6                   MNAI
 SHL  eP      02:33:06.23  -0.7   29.5 294 b:4.3+1 .78 5.2                   SHL 
 MTN  eP      02:33:10.63  -0.4   30.0 161 b:4.7+1 1.5 5.0                   MTN 
 FITZ eP      02:33:45.66  -0.2   33.9 173 b:2.0+1 .80 5.1                   FITZ
 ULN  eP      02:33:47.85   0.2   34.2 342 b:1.2+1 1.1 4.7                   ULN 
 PMG  eP      02:34:00.07   0.3   35.5 133 b:4.2+1 1.0 5.3                   PMG 
 YSS  eP      02:34:00.47   0.4   35.6  25 b:1.1+2 1.3 5.6                   YSS 
 COEN eP      02:34:06.77  -0.4   36.4 143 b:2.6+1 .80 5.2                   COEN
 TLY  eP      02:34:25.40   0.3   38.6 342 b:7.0+0 .70 4.6                   TLY 
 AS01 eP      02:34:45.09  -0.8X  41.0 163                                   AS01
      ee      02:34:46.03   0.0X
 AS31 eP      02:34:45.65  -0.1X  41.0 163                                   AS31
      ee      02:34:45.78   0.0X
 CTAO eP      02:35:03.16   0.6   43.1 145 b:3.8+1 .90 5.1                   CTAO
 MORW eP      02:35:16.49  -1.2   45.0 187 b:2.1+1 .95 5.0                   MORW
 MK31 eP      02:35:16.55  -0.8   45.0 322 b:9.8+0 .90 4.7                   MK31
      ePcP    02:36:58.14  -0.1 
 MK01 eP      02:35:17.05  -0.2   44.9 322                                   MK01
      ePcP    02:36:57.17  -1.0 
 MAKZ eP      02:35:18.90   0.0   45.1 322 b:6.3+0 .80 4.6                   MAKZ
      ePcP    02:36:58.79  -0.1 
 PETK eP      02:35:31.10   0.2   46.7  29                                   PETK
 FORT eP      02:35:31.14  -0.4   46.7 173 b:7.7+1 .80 5.7                   FORT
 PEA0BeP      02:35:31.52   0.6   46.7  29 b:3.8+1 .80 5.4                   PEA0
 PET  eP      02:35:34.46   0.5   47.1  30 b:2.6+1 .50 5.5                   PET 
 AAK  eP      02:35:44.47   0.6   48.3 314 b:1.2+1 .80 5.0                   AAK 
 NWAO eP      02:35:46.03  -0.5   48.7 185 b:4.0+1 .90 5.4                   NWAO
 KURK eP      02:35:48.78  -0.1   49.0 325 b:8.0+1 .95 5.7                   KURK
 BBOO eP      02:35:58.27  -0.5X  50.3 164 b:5.6+1 .70 5.7                   BBOO
 GAR  eP      02:35:59.87   0.1X  50.4 308 b:2.5+2 .66 6.4                   GAR 
 KBL  eP      02:36:01.62   0.0   50.6 302 b:6.5+1 .65 5.8                   KBL 
 STKA eP      02:36:04.62  -0.5   51.1 158 b:4.9+0 .85 4.5                   STKA
 CHGR eP      02:36:05.85   0.0X  51.2 307 b:2.6+2 .64 6.4                   CHGR
 KKAR eP      02:36:06.05   0.1X  51.2 313 b:7.9+1 .70 5.8                   KKAR
 KK31 eP      02:36:06.05   0.1   51.2 313 b:7.9+1 .70 5.8                   KK31
 BRVK eP      02:36:31.17   0.0   54.7 325 b:1.3+2 1.3 5.8                   BRVK
 TIXI eP      02:36:39.15  -0.8   56.0   3 b:1.8+1 .80 5.2                   TIXI
 TOO  eP      02:36:52.97   0.5   57.6 158 b:3.5+1 .85 5.4                   TOO 
 BILL eP      02:37:04.34  -0.4   59.5  18 b:1.6+1 .50 5.4                   BILL
 ABKAReP      02:37:07.20  -0.3X  59.8 318 b:6.0+1 .60 5.9                   ABKA
 ARU  eP      02:37:22.71  -0.7   62.2 326 b:1.2+2 .60 6.2                   ARU 



 Generated 2013 APR  4 at 02:39 UTC

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