Phase Data

Explanation of Parameters


     31 MAR 2011  ( 90)

     ot  = 06:18:34.68   +/-   1.38              MINDANAO, PHILIPPINES           
     lat =       5.713   +/-    7.5
     lon =     126.612   +/-   12.3              MAGNITUDE 4.8 (GS)       
     dep =        55.9   +/-    7.2   

     165 km (105 miles) ESE of General Santos, Mindanao, Philippines
     185 km (115 miles) SE of Davao, Mindanao, Philippines
     1155 km (720 miles) SSE of MANILA, Philippines
     2565 km (1590 miles) ENE of JAKARTA, Java, Indonesia

     nph =   68 of  72    se = 0.68    FE=259                            A   

     error ellipse = (241.0,  4.0, 21.4;353.0, 78.0, 11.1;151.0, 10.0,  5.1)

 mb = 4.8 (  1)  ML = 4.7 (  8)  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     06:19:02.52   0.6    1.7 323 L:1.9+1 .63 4.8                   DAV 
 TNTI ePn     06:19:47.68   0.9    5.0 171 L:8.6-1 .80 4.6                   TNTI
 LUWI ePn     06:20:26.50   1.9    7.7 210 L:6.4-1 1.0 5.3                   LUWI
 MYLDMePn     06:20:31.07   1.4    8.1 267 L:1.2-1 1.2 4.7                   MYLD
 SBUM ePn     06:22:01.03   1.2   14.7 258                                   SBUM
      eScP    06:30:39.21   0.8 
 KKM  eSn     06:22:49.55  -5.7X  10.4 272                                   KKM 
 MYKOMeP      06:23:36.44   1.0   23.0 261 b:2.5+1 .70 4.8                   MYKO
 FITZ eP      06:23:41.86   0.4   23.7 182 b:1.9+1 1.1 4.5                   FITZ
 IPM  eP      06:23:58.99   0.7   25.5 268 b:1.9+1 .70 4.7                   IPM 
 KULM eP      06:24:01.65   0.4   25.8 270 b:3.2+1 1.2 4.7                   KULM
 WB2  eP      06:24:07.91  -0.1   26.6 164 b:1.5+1 .70 4.7                   WB2 
 MBWA eP      06:24:16.57   0.2   27.5 194 b:3.7+1 1.4 4.8                   MBWA
 PSI  eP      06:24:18.08  -0.6   27.8 265 b:1.4+1 1.0 4.5                   PSI 
 GSI  eP      06:24:32.38   0.2   29.3 263 b:5.1+1 .90 5.2                   GSI 
 CHTO eP      06:24:37.75  -0.1   29.9 298 b:8.7+0 .65 4.6                   CHTO
 AS01 eP      06:24:38.90   0.1   30.1 167                                   AS01
      ePcP    06:27:40.29   0.5X
 STKA eP      06:26:04.28   0.0   40.0 160 b:3.9+0 1.1 4.2                   STKA
 ULN  eP      06:26:47.32   0.9   45.2 342 b:9.4+0 1.1 4.6                   ULN 
 SONA1eP      06:26:48.09   0.2   45.4 341                                   SONA
 TLY  eP      06:27:20.40   0.0   49.6 341 b:1.0+1 1.2 4.7                   TLY 
 SARN eS      06:27:26.07   7.3   21.7  58                                   SARN
 MK31 eP      06:28:06.32  -0.4   55.9 325                                   MK31
 MKAR eP      06:28:06.32  -0.4   55.9 325                                   MKAR
 MK01 eP      06:28:06.37  -0.2   55.9 325                                   MK01
 MAKZ eP      06:28:07.84  -0.2   56.1 324 b:8.0+0 .70 4.9                   MAKZ
 TKM2 eP      06:28:23.00  -0.5   58.2 318 b:7.1+0 .70 4.9                   TKM2
 ZAA0 eP      06:28:26.24  -0.8   58.8 333                                   ZAA0
      eP      06:28:26.85  -0.2 
 AAK  eP      06:28:27.65  -0.1   58.8 317 b:3.9+0 .70 4.7                   AAK 
      eP      06:28:27.82   0.0 
 EKS2 eP      06:28:30.94  -0.2   59.3 317 b:9.9+0 .70 5.1                   EKS2
 KURK eP      06:28:35.05  -0.5   60.0 327 b:3.5+1 .60 5.7                   KURK
 KBL  eP      06:28:37.34  -0.4   60.2 307 b:2.5+1 .80 5.4                   KBL 
 KKAR eP      06:28:46.59  -0.8   61.7 316                                   KKAR
 BRVK eP      06:29:12.84  -0.4   65.7 327 b:3.2+1 .70 5.4                   BRVK
 TIXI eP      06:29:13.80  -0.2   65.9   1 b:9.3+0 .70 4.9                   TIXI
 BILL eP      06:29:25.41  -0.7   67.8  15 b:3.7+0 .90 4.4                   BILL
 ABKAReP      06:29:43.11  -0.7   70.6 320                                   ABKA
 GAMB eP      06:29:56.66   0.6   72.7  24 b:3.6+0 .84 4.3                   GAMB
 ARU  eP      06:29:59.02  -0.6   73.2 328 b:2.7+1 .60 5.4                   ARU 
 CAST eP      06:30:44.70   1.3   81.0  27 b:7.8+0 .84 4.7                   CAST
 BPAW eP      06:30:46.98   0.7   81.6  26 b:1.7+1 1.1 4.9                   BPAW
 TRF  eP      06:30:47.22  -0.6   81.8  27 b:6.6+0 .88 4.6                   TRF 
 KTH  eP      06:30:47.36   1.1   81.6  27 b:1.1+1 1.1 4.7                   KTH 
 COLD eP      06:30:48.64  -0.4   82.1  23 b:5.4+0 .76 4.6                   COLD
 MLY  eP      06:30:48.72   1.5   81.7  25 b:9.8+0 .84 4.8                   MLY 
 PMR  eP      06:30:49.90   0.0   82.3  29 b:8.4+0 .88 4.8                   PMR 
 MCK  eP      06:30:50.86   0.0   82.5  27 b:1.8+1 1.0 5.0                   MCK 
 RND  eP      06:30:51.90   0.8   82.5  27 b:1.5+1 1.2 4.8                   RND 
 SML  eP      06:30:52.08   0.0   82.7  29 b:2.8+1 1.2 5.1                   SML 
 MDM  eP      06:30:52.32  -0.4   82.8  25 b:7.6+0 1.0 4.6                   MDM 
 WRH  eP      06:30:52.42  -0.5   82.9  26 b:9.9+0 1.0 4.7                   WRH 
 CCB  eP      06:30:53.35  -0.2   83.0  26 b:1.2+1 1.1 4.8                   CCB 
 IL1  eP      06:30:55.09  -0.5   83.4  26                                   IL1 
 ILB  eP      06:30:55.52  -0.1   83.4  26                                   ILB 
 SCM  eP      06:30:56.16   1.6X  83.1  29 b:2.4+1 1.1 5.1                   SCM 
 DIV  eP      06:30:59.18   0.8   83.9  29 b:2.4+1 1.0 5.1                   DIV 
 PAX  eP      06:30:59.80   0.8   84.0  27 b:1.3+1 1.2 4.8                   PAX 
 FYU  eP      06:31:00.81   1.8   84.1  24 b:2.6+1 1.1 5.2                   FYU 
 BMRM eP      06:31:01.55   0.3   84.5  29 b:1.7+1 1.0 5.0                   BMRM
 MENT eP      06:31:04.86   1.9   84.8  27 b:2.3+1 1.8 4.9                   MENT
 VNDA eP      06:31:05.69   0.2   85.4 173 b:5.8+0 1.0 4.7                   VNDA
 INK  eP      06:31:20.28   0.1   88.4  22 b:3.9+0 1.0 4.6                   INK 
 BR131eP      06:31:21.10  -1.4   88.7 310                                   BR13
 BR231eP      06:31:21.79  -3.7X  89.3 310                                   BR23
 FIA1 eP      06:31:27.90  -0.2   90.0 332                                   FIA1
      eP      06:31:27.97  -0.2 
 AK11 eP      06:31:29.47  -0.3   90.3 321                                   AK11
 KIEV eP      06:31:30.16   0.6   90.3 321 b:1.8+1 1.6 5.2                   KIEV
 BUR08eP      06:31:43.73  -0.7   93.5 318                                   BUR0



 Generated 2011 MAR 31 at 06:38 UTC

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