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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     24 JUL 2007  (205)

     ot  = 14:51:29.56   +/-   1.57              NORTHERN SUMATRA, INDONESIA     
     lat =       2.244   +/-    5.1
     lon =      97.955   +/-    5.5              MAGNITUDE 5.4 (GS)       
     dep =        46.1   +/-   14.0   

     110 km (70 miles) WNW of Sibolga, Sumatra, Indonesia (pop 71,000)
     165 km (105 miles) SSW of Medan, Sumatra, Indonesia
     425 km (265 miles) WSW of KUALA LUMPUR, Malaysia
     1350 km (840 miles) NW of JAKARTA, Java, Indonesia
 
     Felt (V) at Sibolga, (IV) at Singkil and (III) at Sidikalang.

     nph =   83 of  94    se = 0.87    FE=706                            A   

     error ellipse = ( 59.6, 85.7, 21.4;229.1,  4.2,  9.8;319.1,  0.8,  5.7)

 mb = 5.4 ( 52)  ML = 0.0 (  0)  mblg = 4.4 (  4)  md = 0.0 (  0)  MS = 4.6 (  6)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 KSM  eP      14:54:26.92   3.8X  12.4  93                                   KSM 
 PALK eP      14:55:36.51   1.1   17.9 287 g:7.8-2 .90 4.3  b:7.8+1 .90 4.8  PALK
 KKM  eP      14:55:46.21   2.9X  18.6  78                                   KKM 
 QIZ  eP      14:56:03.56   1.4   20.3  34 g:5.9-2 .85 4.3  b:5.9+1 .85 4.9  QIZ 
 KAPI eP      14:56:29.36  -0.7   22.9 108 g:4.4-1 .95 5.2  b:4.4+2 .95 5.9  KAPI
 LSA  eP      14:57:17.12  -0.2   28.1 347 g:4.9-2 1.0 4.4  b:2.7+1 .65 5.0  LSA 
 MBWA eP      14:57:46.47  -1.3   31.6 139 b:3.3+1 .73 5.2                   MBWA
 YHNB eP      14:57:49.22  -0.4   31.8  43 b:1.3+1 .60 4.9                   YHNB
 FITZ eP      14:58:07.00  -1.7   33.9 128 b:1.2+2 .75 5.9                   FITZ
 KAKA eP      14:58:36.32  -1.1   37.3 114 b:6.3+2 .88 6.5X                  KAKA
 NWAO eP      14:58:56.87   1.5   39.4 154 b:2.2+2 .75 6.0                   NWAO
 BJT  eP      14:59:09.58   0.8   41.1  21 b:7.8+1 .80 5.5                   BJT 
 KBL  eP      14:59:15.21  -0.9   41.9 323 b:2.6+1 .75 5.0                   KBL 
 WB2  eP      14:59:15.45  -1.0   42.0 123                                   WB2 
 WRAB eP      14:59:15.66  -0.7   42.0 123 b:2.6+2 .65 6.1                   WRAB
      LR      15:11:26.03                  S:1.1+0 20. 4.7 
 FORT eP      14:59:29.28  -0.2   43.6 141 b:3.6+1 .55 5.3                   FORT
 INCN eP      14:59:30.74  -0.7   43.9  33                                   INCN
 UCH  qP      14:59:40.27  -0.9   45.0 335 b:3.3+1 1.1 5.1                   UCH 
 TKM2 eP      14:59:42.16   0.2   45.2 337                                   TKM2
 AML  eP      14:59:44.06   0.8   45.3 335 b:6.0+1 1.0 5.4                   AML 
 EKS2 eP      14:59:47.07   1.0   45.7 335 b:1.8+1 .58 5.2                   EKS2
 ULN  eP      14:59:49.78   0.3   46.1   8 b:2.5+1 .70 5.2                   ULN 
 COEN eP      15:00:00.87  -0.6   47.6 111 b:6.9+1 1.4 5.5                   COEN
 TLY  eP      15:00:16.55   1.2   49.5   5 b:2.8+1 .80 5.3                   TLY 
 HIA  eP      15:00:22.36  -0.1   50.4  18 b:2.2+1 .80 5.2                   HIA 
 KURK eP      15:00:27.37   0.7   51.0 344 b:9.2+1 1.0 5.7                   KURK
 STKA eP      15:00:45.66   0.0   53.5 133 b:1.3+2 .65 6.1                   STKA
 BRVK eP      15:01:00.57   0.2   55.6 340 b:4.5+1 .70 5.6                   BRVK
      LR      15:17:54.43                  S:2.5-1 20. 4.3 
 CAN  eP      15:01:36.47   0.8   60.6 133                                   CAN 
 ARMA eP      15:01:37.23   1.5   60.5 127 b:3.3+0 .80 4.5                   ARMA
 GNI  eP      15:01:39.34   0.1   61.1 315 b:8.3+1 1.2 5.7                   GNI 
 ARU  eP      15:01:47.97  -0.4   62.5 337 b:3.2+1 .85 5.5                   ARU 
 KIV  eP      15:01:58.18  -0.5   64.0 319 b:6.5+1 .85 5.7                   KIV 
 CSS  eP      15:02:24.70   0.1   68.0 307 b:4.8+1 1.1 5.4                   CSS 
 CASY eP      15:02:30.64   1.0   69.0 175 b:3.6+1 1.0 5.3                   CASY
 ANTO eP      15:02:34.15  -0.4   69.6 312 b:3.3+1 1.0 5.2                   ANTO
 MA2  eP      15:02:37.37   0.7   70.1  26 b:6.3+1 .70 5.7                   MA2 
 PET  eP      15:02:42.63   0.5   70.9  34 b:2.5+2 .90 6.2                   PET 
 OBN  eP      15:02:47.61  -1.6   72.1 328 b:6.4+1 .90 5.6                   OBN 
 TIXI eP      15:02:47.74  -0.6   72.0  10 b:3.0+1 .65 5.4                   TIXI
 TIRR eP      15:02:59.51  -0.4   73.9 316 b:4.0+1 .95 5.3                   TIRR
 AKBB eP      15:03:03.95  -1.6   74.9 322                                   AKBB
 KIEV eP      15:03:04.66  -0.9   74.9 322 b:2.0+1 .65 5.2                   KIEV
 LBTB eP      15:03:07.63   0.7   75.0 244 b:9.6+1 1.5 5.5                   LBTB
      LR      15:27:08.62                  S:1.2+0 22. 5.1 
 SUW  eP      15:03:30.37   0.4   79.3 325 b:1.2+2 1.1 5.8                   SUW 
 BILL eP      15:03:33.47   0.1   79.9  21 b:1.0+1 .75 4.8                   BILL
 SMY  eP      15:03:33.49   0.3   79.8  37 b:1.0+2 .75 5.9                   SMY 
 PSZ  eP      15:03:37.18   1.1   80.3 318 b:4.1+1 1.3 5.2                   PSZ 
 KEV  eP      15:03:39.88  -1.1   81.4 341 b:2.9+1 1.0 5.2                   KEV 
 TIP  eP      15:03:43.39  -0.5   81.8 309 b:1.5+1 .80 5.1                   TIP 
 ARE0 eP      15:03:43.53   0.1   81.8 340                                   ARE0
 CEL  eP      15:03:44.58  -2.5   82.4 308 b:4.9+1 1.0 5.5                   CEL 
 MORC eP      15:03:45.58   0.2   82.1 320 b:1.9+1 .95 5.1                   MORC
 CUC  qP      15:03:46.20  -1.7   82.5 310 b:3.0+1 .90 5.3                   CUC 
 AMKA eP      15:03:48.77  -0.4   82.8  39                                   AMKA
 ARSA iPc     15:03:51.26   0.0   83.2 317 b:1.1+1 1.1 4.8                   ARSA
 SPB4 eP      15:04:04.78  -0.3   86.1 348                                   SPB4
 MOTA iPc     15:04:06.59   0.0   86.2 317 b:8.5+0 1.0 4.9                   MOTA
 VNDA eP      15:04:08.44   0.5   86.7 169 b:1.2+1 .95 5.1                   VNDA
      LR      15:32:41.32                  S:1.9-1 21. 4.5 
 KBS  eP      15:04:09.22  -0.5   87.0 349 b:2.0+1 .70 5.5                   KBS 
 KONO eP      15:04:11.98   1.0   87.2 329 b:2.1+1 .80 5.4                   KONO
 SBA  eP      15:04:14.72   1.4   87.8 169 b:1.9+1 .83 5.4                   SBA 
 TTA  eP      15:04:48.62   0.2   95.3  26 b:1.0+1 .90 5.3                   TTA 
 IMA2 eP      15:04:49.02   0.3   95.3  23                                   IMA2
 SVW2 eP      15:04:51.36  -0.1   95.9  28                                   SVW2
 LNOR ePKPdf  15:10:20.36   0.3  122.4  29                                   LNOR
 MSO  ePKPdf  15:10:22.07  -0.5  123.7  26                                   MSO 
 CHMT ePKPdf  15:10:22.93  -0.2  123.9  25                                   CHMT
 MOD  ePKPdf  15:10:23.63   0.1  124.0  34                                   MOD 
 BOZ  ePKPdf  15:10:25.68  -0.7  125.6  25                                   BOZ 
      LR      15:51:10.07                  S:1.2-1 21. 4.5 
 DLMT ePKPdf  15:10:26.35   0.4  125.4  26                                   DLMT
 ULM  ePKPdf  15:10:26.77  -0.7  126.4  11                                   ULM 
 HLID ePKPdf  15:10:28.05   0.9  125.9  29                                   HLID
 REDW ePKPdf  15:10:31.16   0.5  127.7  26                                   REDW
 ELK  ePKPdf  15:10:31.43   1.0  127.6  32                                   ELK 
      LR      15:52:07.43                  S:1.2-1 20. 4.6 
 BGU  ePKPdf  15:10:33.16   0.9  128.6  30                                   BGU 
 EYMN ePKPdf  15:10:33.29   0.0  129.3   8                                   EYMN
 TPNV ePKPdf  15:10:35.48   1.0  129.7  36                                   TPNV
 RWWY ePKPdf  15:10:36.32   0.0  130.7  25                                   RWWY
 TMUT ePKPdf  15:10:38.02   1.5  130.7  30                                   TMUT
 ECSD ePKPdf  15:10:38.67  -0.5  132.4  14                                   ECSD
 WUAZ ePKPdf  15:10:43.07   1.4  133.5  33                                   WUAZ
 WMOK ePKPpre 15:10:43.56 -10.0X 140.0  22                                   WMOK
 MIAR ePKPpre 15:10:50.43  -6.4X 141.8  15                                   MIAR
 PLAL ePKPpre 15:10:52.18  -5.9X 142.5   8                                   PLAL
 GOGA ePKP    15:11:00.56  -1.0  144.5   2                                   GOGA
 VBMS ePKPdf  15:11:01.60  -0.5  144.8  13                                   VBMS
 BRAL ePKPbc  15:11:06.30  -0.4  146.6   8                                   BRAL



 Generated 2007 JUL 26 at 16:56 UTC

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

 


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