Phase Data

Explanation of Parameters


      1 MAY 2011  (121)

     ot  = 11:06:55.84   +/-   2.98              MINDANAO, PHILIPPINES           
     lat =       6.542   +/-   10.4
     lon =     126.943   +/-   10.4              MAGNITUDE 5.0 (GS)       
     dep =        78.6   +/-   10.0   

     158 km (98 miles) ESE of Davao, Mindanao, Philippines (pop 1,147,000)
     201 km (125 miles) ENE of General Santos, Mindanao, Philippines
     213 km (132 miles) SSE of Hinatuan, Mindanao, Philippines
     1103 km (685 miles) SE of MANILA, Philippines

     nph =   55 of  55    se = 1.47    FE=259                            A   

     error ellipse = (226.0, 24.0, 18.6; 30.0, 64.0, 14.3;133.0,  6.0, 13.5)

 mb = 5.0 ( 38)  ML = 5.3 (  6)  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
 DAV  ePn     11:07:19.00  -1.5    1.4 291 L:7.2+1 .57 5.3                   DAV 
      eSn     11:07:41.63  S res =   2.5 
 MYLDMePn     11:08:58.21   1.8    8.5 261 L:3.2-1 1.7 5.2                   MYLD
 LUWI ePn     11:08:59.96   2.2    8.6 209 L:1.2+0 .95 5.8                   LUWI
 FAKI ePn     11:09:25.85  -1.6   10.8 150                                   FAKI
      eSn     11:11:20.90  S res =  -5.6 
 KKM  ePn     11:09:29.14   3.1   10.7 268                                   KKM 
 KAPI ePn     11:10:03.53  -1.1   13.5 212                                   KAPI
 SBUM ePn     11:10:28.83   2.2   15.2 255 b:2.4+2 .90 5.4                   SBUM
 MMRI ePn     11:10:33.46  -0.2   15.8 197 b:5.2+2 1.6 5.4                   MMRI
 SOEI ePn     11:10:42.50   1.0   16.4 189 b:4.1+2 1.0 5.6                   SOEI
 KSM  ePn     11:10:54.35   1.5   17.3 254 b:8.3+1 1.2 4.8                   KSM 
 YULB eP      11:10:57.76   1.6   17.6 343 b:2.8+1 1.4 4.3                   YULB
 SSLB eP      11:11:02.64   1.2   18.1 342 b:1.2+1 .70 4.2                   SSLB
 JAGI eP      11:11:18.55   0.3   19.6 221 b:9.6+1 1.1 5.0                   JAGI
 MTN  eP      11:11:18.78  -0.3   19.7 168 b:5.7+1 .80 4.9                   MTN 
 SMRI eP      11:11:38.18   1.9   21.3 231 b:1.2+2 1.0 5.2                   SMRI
 UGM  eP      11:11:43.07   1.6   21.8 229 b:2.1+2 1.2 5.4                   UGM 
 MANU eP      11:11:45.86   1.0   22.1 112 b:4.7+1 1.1 4.8                   MANU
 MYKOMeP      11:11:59.21   0.2   23.5 259 b:7.5+1 1.2 5.0                   MYKO
 CISI eP      11:11:59.31  -1.2   23.7 234 b:2.4+2 1.2 5.5                   CISI
 PMBI eP      11:12:06.11   1.6   24.1 248 b:6.8+2 1.3 5.9                   PMBI
 FITZ eP      11:12:08.13   0.0   24.5 183 b:5.1+1 .80 5.0                   FITZ
 CBIJ eP      11:12:12.73  -0.3   25.1  34 b:1.4+2 .70 5.5                   CBIJ
 PMG  eP      11:12:18.52   0.2   25.6 128 b:1.6+1 .85 4.5                   PMG 
 IPM  eP      11:12:20.45  -0.1   25.9 267 b:5.7+1 .90 5.1                   IPM 
 COEN eP      11:12:21.51   0.2   26.0 142 b:5.9+1 1.2 5.0                   COEN
 KULM eP      11:12:23.40   0.1   26.2 269 b:8.0+1 1.2 5.1                   KULM
 BKNI eP      11:12:26.08  -0.8   26.6 258 b:9.8+1 .50 5.6                   BKNI
 WRAB eP      11:12:32.56  -0.7   27.3 165 b:4.4+1 .95 5.0                   WRAB
 WB2  eP      11:12:32.62  -0.7   27.3 165 b:5.8+1 .85 5.2                   WB2 
 RABL eP      11:12:35.99   2.2   27.3 112 b:1.1+2 .90 5.4                   RABL
 PSI  eP      11:12:42.51   1.1   28.2 264 b:2.1+1 .90 4.8                   PSI 
 MBWA eP      11:12:43.13  -0.1   28.4 194 b:1.3+2 1.5 5.3                   MBWA
 GSI  eP      11:12:53.55  -1.6   29.8 261 b:4.0+1 .80 5.2                   GSI 
 INU  eP      11:12:57.56  -0.7   30.1  17 b:3.8+1 .70 5.2                   INU 
 CM01 eP      11:13:00.14   5.4   29.7 296                                   CM01
 AS01 eP      11:13:03.49  -0.8   30.8 167                                   AS01
 AS31 eP      11:13:03.75  -0.4   30.8 168 b:5.8+0 .70 4.4                   AS31
 MJB9 eP      11:13:09.92  -1.2   31.6  18 b:4.6+0 .85 4.3                   MJB9
 EIDS eP      11:14:18.64  -0.1   39.5 144 b:1.3+1 .90 4.8                   EIDS
 BBOO eP      11:14:23.76   0.0   40.1 168 b:3.7+1 .85 5.3                   BBOO
 STKA eP      11:14:28.47  -0.2   40.7 161 b:8.9+0 .95 4.6                   STKA
 ARMA eP      11:14:54.62   1.1   43.7 149 b:6.2+1 1.2 5.3                   ARMA
 ULN  eP      11:14:59.18  -0.8   44.5 341 b:1.7+1 1.2 4.8                   ULN 
 SONA1eP      11:15:00.58  -0.9   44.7 340                                   SONA
 CAN  eP      11:15:17.00   1.3   46.5 155                                   CAN 
 TLY  eP      11:15:33.82  -0.3   49.0 341 b:9.5+0 1.1 4.7                   TLY 
 PET  eP      11:16:06.16   1.2   53.1  23                                   PET 
 MAKZ eP      11:16:19.42  -4.0   55.6 324                                   MAKZ
 MK01 eP      11:16:20.77  -1.2   55.4 324                                   MK01
 YAK  eP      11:16:21.69  -0.1   55.4   2                                   YAK 
 MSVF eP      11:16:28.99   2.6   55.9 116                                   MSVF
 AAK  eP      11:16:43.77  -0.1   58.5 317                                   AAK 
 KURK eP      11:16:49.81  -1.0   59.5 327                                   KURK



 Generated 2011 MAY  1 at 11:18 UTC

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