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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      7 JUL 2007  (188)

     ot  = 20:12:01.99   +/-   0.21              MINDANAO, PHILIPPINES           
     lat =       6.134   +/-    3.9
     lon =     125.475   +/-    6.7              MAGNITUDE 5.1 (GS)       
     dep =        72.6  (depth phases)

     30 km (20 miles) E of General Santos, Mindanao, Philippines (pop 411,000)
     105 km (65 miles) S of Davao, Mindanao, Philippines (pop 1,147,000)
     180 km (115 miles) SE of Cotabato, Mindanao, Philippines
     1065 km (660 miles) SSE of MANILA, Philippines

     nph =   65 of 108    se = 0.96    FE=259                            A   

     error ellipse = ( 83.8,  0.0,  8.7;173.8,  0.0,  5.1;  0.0,  0.0,  0.0)

 mb = 5.1 ( 41)  ML = 0.0 (  0)  mblg = 0.0 (  0)  md = 4.4 (  1)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 DAV  iPnc    20:12:21.65   1.8    0.9   6 d:2.8+2     4.4  L:1.4+2 .45 5.2X DAV 
      eSn     20:12:32.94  S res =  -0.2X  g:1.0+2 .75 5.9X
 KKM  ePn     20:14:16.04   3.8X   9.2 270 d:5.8+1     6.2X                  KKM 
 KAPI ePn     20:14:58.03   1.5   12.5 207 g:1.3-1 .95 4.3X b:1.3+2 .95 5.8X KAPI
 KSM  ePnc    20:15:45.25   4.7X  15.8 254                                   KSM 
 NACB qP      20:16:11.09   0.5   18.3 349 b:3.4+1 .86 4.6                   NACB
 YHNB ePn     20:16:16.63  -1.0   18.8 348 g:6.1-2 .85 4.3X b:6.1+1 .85 4.9  YHNB
 TATO eP      20:16:20.28   1.0   19.1 349 b:1.1+2 1.1 5.0                   TATO
 FITZ ePn     20:17:10.45  -0.4   24.1 180 g:1.1-1 .93 4.7X b:6.0+1 .60 5.2  FITZ
      eS      20:21:20.67  S res =  -2.7X
 KULM ePn     20:17:18.67   1.9   24.7 269                                   KULM
 COEN ePn     20:17:34.04   0.4   26.6 139 g:1.4-2 .85 3.9X b:1.0+1 .70 4.5  COEN
 WRAB ePn     20:17:39.49  -0.8   27.3 162 g:5.6-2 1.0 4.4X b:5.6+1 1.0 5.1  WRAB
 WB2  ePn     20:17:39.51  -0.9   27.3 162                                   WB2 
 MBWA ePn     20:17:42.79  -0.8   27.7 192 g:7.3-2 1.1 4.5X b:7.3+1 1.1 5.2  MBWA
      epP     20:17:58.73  depth =  67.3 
      esP     20:18:08.72  -0.5X
 CM31 eP      20:17:52.91   1.1   28.6 298                                   CM31
 CHTO eP      20:17:54.07   1.1   28.8 298 g:1.8-2 1.0 4.0X b:1.6+1 .90 4.6  CHTO
      epP     20:18:11.76  depth =  75.7 
      esP     20:18:21.93   3.2X
 INCN eP      20:18:14.14  -0.4   31.2   2 b:2.6+1 .90 5.0                   INCN
 MAJO ePc     20:18:28.60   3.3X  32.4  19 b:6.2+1 1.5 5.2                   MAJO
 CTAO eP      20:18:32.98   1.6   33.1 142 b:1.2+1 .85 4.8                   CTAO
 FORT eP      20:19:02.70  -0.1   36.8 176 b:4.5+0 .65 4.5                   FORT
 NWAO qP      20:19:25.95  -0.7   39.6 191 b:2.4+1 .93 5.1                   NWAO
 EIDS eP      20:19:30.44   0.5   40.0 143 b:6.4+0 .73 4.6                   EIDS
 STKA eP      20:19:36.97   0.5   40.8 159 b:3.8+1 .88 5.2                   STKA
 YSS  eP      20:19:56.86   0.3   43.3  17 b:2.6+1 1.0 5.0                   YSS 
 PET  eP      20:21:19.21   0.4   54.0  24 b:6.9+1 1.1 5.6                   PET 
 MK31 iPd     20:21:24.68  -0.4   54.9 325                                   MK31
      epP     20:21:43.13  depth =  71.9 
      esP     20:21:51.69  -0.1X
      ePP     20:23:30.91   2.2X
 YAK  eP      20:21:32.10   0.3   55.9   2 b:2.3+2 .75 6.3X                  YAK 
      epP     20:21:50.49  depth =  71.4 
      esP     20:21:58.55   0.0X
 MA2  eP      20:21:38.75   0.9   56.7  15 b:2.0+1 .90 5.2                   MA2 
      epP     20:21:56.36  depth =  67.6 
 TKM2 eP      20:21:41.55   0.0   57.1 318 b:4.5+1 1.6 5.3                   TKM2
 ZAA0 eP      20:21:44.83  -1.5   57.9 333                                   ZAA0
      epP     20:22:05.04  depth =  79.3 
 UCH  eP      20:21:46.10   1.2   57.6 317 b:3.0+1 1.2 5.3                   UCH 
      epP     20:22:03.57  depth =  66.8 
 EKS2 eP      20:21:49.61   0.4   58.2 317 b:1.4+1 1.1 5.0                   EKS2
      ePP     20:24:01.58   2.7X
 KURK eP      20:21:53.80  -0.7   59.1 327 b:2.5+1 .90 5.4                   KURK
      epP     20:22:12.70  depth =  73.1 
 KBL  eP      20:21:55.54   0.2   59.1 307 b:3.8+1 .83 5.6                   KBL 
 BRVK eP      20:22:31.23  -1.2   64.7 327 b:2.5+1 1.0 5.1                   BRVK
      e       20:22:57.44  -2.0X
 TIXI eP      20:22:35.73  -1.3   65.5   1 b:3.9+1 1.1 5.2                   TIXI
      epP     20:22:55.05  depth =  73.4 
 BILL eP      20:22:50.38  -0.1   67.6  15 b:1.6+1 .90 5.0                   BILL
 NIKO eP      20:23:08.02  -1.4   70.6  36 b:7.3+1 1.3 5.4                   NIKO
 ARU  eP      20:23:17.16  -2.2   72.2 328 b:1.5+1 1.0 4.9                   ARU 
      epP     20:23:38.58  depth =  81.1 
      ePP     20:25:59.95  -0.7X
 UNV  eP      20:23:19.01   0.0   72.2  35 b:6.6+1 1.1 5.5                   UNV 
 AKUT eP      20:23:21.48  -0.4   72.7  35 b:9.7+1 1.0 5.7                   AKUT
      esP     20:23:48.71  -0.5X
 CASY eP      20:23:23.39  -0.4   73.0 186 b:1.1+1 .85 4.8                   CASY
 SDPT eP      20:23:40.66  -0.1   75.9  34 b:5.2+1 .79 5.5                   SDPT
 POHA qP      20:23:53.56   2.2X  77.6  71                                   POHA
 SVW2 eP      20:24:00.79   1.2   79.3  29                                   SVW2
 TTA  eP      20:24:01.03   1.2   79.3  27 b:7.9+0 .80 4.7                   TTA 
 KIV  eP      20:24:06.55  -0.4   80.6 313                                   KIV 
 KDAK eP      20:24:07.09   0.9   80.5  33 b:2.0+1 .80 5.1                   KDAK
 IMA2 eP      20:24:07.91   0.8   80.7  24                                   IMA2
 SLKM eP      20:24:13.80   0.4   81.9  30                                   SLKM
 PMR  eP      20:24:16.51   0.3   82.4  29 b:6.3+1 1.3 5.4                   PMR 
 MCK  eP      20:24:17.06   0.1   82.6  27 b:1.4+2 1.3 5.7                   MCK 
 COLA eP      20:24:19.09  -0.3   83.1  25 b:1.5+1 .85 5.0                   COLA
      e       20:24:33.52  depth =  49.7X
 MALT eP      20:24:24.73   0.2   83.9 308 b:2.6+1 1.4 5.0                   MALT
 OBN  eP      20:24:25.13  -1.2   84.4 325                                   OBN 
 MAW  eP      20:24:33.13   1.2   85.6 200 b:1.0+1 1.2 4.7                   MAW 
      epP     20:24:49.97  depth =  59.5X
 VNDA eP      20:24:33.90   0.2   86.0 173 b:5.6+0 .95 4.6                   VNDA
 INK  eP      20:24:45.53  -0.1   88.4  21 b:7.7+2 .99 6.8X                  INK 
      epP     20:25:05.12  depth =  70.4 
      esP     20:25:11.52  -1.9X
 KMBO eP      20:24:45.77  -1.2   88.4 269 b:1.5+0 1.4 4.8                   KMBO
      epP     20:25:05.83  depth =  72.4 
      esP     20:25:13.09  -1.6X
 RES  eP      20:25:19.27   0.0   95.7  10                                   RES 
 JFWS ePKPdf  20:30:44.78  -2.6  121.4  30                                   JFWS
      epPKPdf 20:31:04.91  -3.2X
 TOA0 ePKPdf  20:30:45.36  -2.2  121.0 289                                   TOA0
 MIAR ePKPdf  20:30:55.73   0.7  125.3  40                                   MIAR
      epPKPdf 20:31:15.30  -0.5X
 FRNY qPKPdf  20:30:56.38  -0.6  126.4  17                                   FRNY
 WVT  ePKPdf  20:30:59.30  -0.2  127.6  34                                   WVT 
      epPKPdf 20:31:19.18  -1.0X
 BINY ePKPdf  20:31:00.24   0.1  128.1  20                                   BINY
      epPKPdf 20:31:20.54  -0.4X
      esPKPdf 20:31:28.42  -0.2X
 TKL  ePKPdf  20:31:04.59   0.3  130.2  31                                   TKL 
      epPKPdf 20:31:24.59  -0.5X
      eSKP    20:34:19.88  -1.1X
 TRQA ePKPdf  20:31:38.05   2.3X 147.5 169                                   TRQA
      epPKPdf 20:31:57.82   1.3X
 SDDR ePKPbc  20:31:45.71   0.4  150.1  33                                   SDDR
      ePKPbc  20:31:50.78   5.4X
 LCO  ePKPbc  20:31:51.55   0.3  152.6 148                                   LCO 
 CPD  ePKPbc  20:31:52.93  -0.3  153.5  25                                   CPD 
      ePKPab  20:32:05.83   0.3X
 OTAV ePKPab  20:32:16.76   2.6X 155.3  76                                   OTAV



 Generated 2007 JUL 10 at 21:51 UTC

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

 


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