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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      8 SEP 2008  (252)

     ot  = 10:43:29.90   +/-   1.07              KEP. MENTAWAI REGION, INDONESIA 
     lat =      -2.216   +/-    5.6
     lon =     100.482   +/-    6.9              MAGNITUDE 5.2 (GS)       
     dep =        66.9   +/-    8.8   

     140 km (85 miles) S of Padang, Sumatra, Indonesia (pop 721,000)
     260 km (165 miles) NW of Bengkulu, Sumatra, Indonesia
     605 km (375 miles) SSW of KUALA LUMPUR, Malaysia
     825 km (510 miles) WNW of JAKARTA, Java, Indonesia
 
     Felt (III) at Padang and Pesisir Selatan.

     nph =   56 of  64    se = 0.69    FE=274                            A   

     error ellipse = ( 52.4, 48.0, 17.0;250.0, 40.6,  6.9;152.4,  8.8,  5.5)

 mb = 5.2 ( 33)  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
 IPM  ePn     10:45:06.72   0.0    6.8   5 d:2.7+2     6.6X L:1.6-1 .55 4.4X IPM 
                                           g:1.4-1 .95 3.9X b:8.5+1 .55 5.6X
 KULM ePn     10:45:15.57  -0.5    7.5   1 d:2.9+2     7.0X L:1.3-1 .70 4.4X KULM
                                           g:1.0-1 1.0 3.8X b:7.7+1 .70 5.5X
 KSM  ePn     10:45:58.72   1.2   10.5  70 g:4.1-2 1.2 3.5X b:4.1+1 1.2 5.3X KSM 
 KKM  ePn     10:47:32.97   0.5   17.7  62 g:4.1-2 1.0 4.0X b:4.1+1 1.0 4.6  KKM 
 KAPI eP      10:47:50.71  -0.4   19.4  99 g:2.2-1 .95 4.8X b:2.2+2 .95 5.4  KAPI
 CHTO eP      10:48:06.70  -0.8   21.0 356 g:1.4-2 1.1 3.6X b:1.4+1 1.1 4.2  CHTO
 MBWA eP      10:49:01.41  -0.5   26.6 137 g:2.4-2 .78 4.2X b:2.4+1 .78 4.8  MBWA
 KAKA eP      10:49:58.23  -3.1X  33.3 110 b:2.3+1 .60 5.2                   KAKA
 LSA  eP      10:49:59.47   0.5   33.0 345 b:5.1+1 .80 5.4                   LSA 
 NWAO eP      10:50:09.70  -0.8   34.4 155 b:4.6+1 1.1 5.3                   NWAO
      epP     10:50:24.75  depth =  60.0X
 FORT eP      10:50:46.59   0.2   38.6 140 b:3.4+1 .70 5.4                   FORT
 BJT  eP      10:51:34.55   0.4   44.4  17 b:1.7+1 .85 4.9                   BJT 
 BBOO eP      10:51:39.74  -0.4   45.2 136 b:5.5+1 .95 5.4                   BBOO
 JNU  eP      10:51:41.10  -0.8   45.4  37 b:2.0+1 1.4 4.8                   JNU 
      epP     10:51:57.78  depth =  66.0X
 CTAO eP      10:52:02.44  -0.7   48.1 115 b:4.5+1 1.1 5.3                   CTAO
 KZA  eP      10:52:15.80   0.4   49.7 335 b:6.2+1 1.3 5.5                   KZA 
      epP     10:52:32.33  depth =  64.4X
 ULN  eP      10:52:19.10   0.0   50.2   6 b:5.2+1 1.5 5.3                   ULN 
 TKM2 eP      10:52:19.76   0.3   50.2 336 b:2.0+1 .45 5.5                   TKM2
      epP     10:52:34.32  depth =  55.0X
 AML  eP      10:52:21.19   0.4   50.4 334 b:2.5+1 .78 5.3                   AML 
      epP     10:52:37.02  depth =  61.0X
 AAK  eP      10:52:21.68   0.6   50.4 335 b:1.2+3 .55 7.1X                  AAK 
 EKS2 eP      10:52:24.06   0.6   50.8 335 b:3.2+1 .88 5.4                   EKS2
      epP     10:52:39.11  depth =  57.2X
 KKAR eP      10:52:36.33  -0.4   52.6 333 b:5.4+0 .75 4.7                   KKAR
 EIDS eP      10:52:45.81  -0.5   53.8 120 b:2.0+1 .65 5.3                   EIDS
 KURK eP      10:53:00.83  -0.3   55.9 343 b:5.1+1 1.2 5.4                   KURK
 ASAJ eP      10:53:27.00   0.7   59.5  34 b:4.9+0 .80 4.7                   ASAJ
 BRVK eP      10:53:32.28  -1.4   60.6 340 b:8.2+0 .60 5.0                   BRVK
 YSS  eP      10:53:39.56   0.4   61.4  32 b:3.8+1 1.1 5.4                   YSS 
 ABKAReP      10:53:42.61  -0.9   62.1 331 b:9.8+0 .58 5.1                   ABKA
 CASY eP      10:53:58.53   0.3   64.3 176 b:2.5+1 1.4 5.0                   CASY
 ARU  eP      10:54:18.62  -0.7   67.6 336 b:3.8+1 1.2 5.2                   ARU 
 YAK  eP      10:54:19.47  -1.2   67.8  14 b:1.5+2 1.4 5.8                   YAK 
 MALT eP      10:54:34.09   0.3   69.8 312 b:1.5+1 1.1 4.8                   MALT
 TIRR eP      10:55:25.30  -0.6   78.8 316 b:1.7+1 .95 5.0                   TIRR
 SBA  eP      10:55:47.97   0.9   83.0 169 b:4.0+0 .63 4.5                   SBA 
 KWP  eP      10:55:52.39   0.5   83.8 320 b:9.2+0 .35 5.2                   KWP 
 SUW  eP      10:55:54.70   0.1   84.3 325                                   SUW 
 MORC eP      10:56:08.61   0.0   87.1 320 b:3.6+0 1.1 4.4                   MORC
 CEL  eP      10:56:09.30   0.5   87.1 308 b:1.4+1 1.3 5.0                   CEL 
 KEST eP      10:56:33.61   0.8   92.2 306                                   KEST
 LAO  ePKPdf  11:02:33.62   1.3  130.0  24                                   LAO 
 RSSD ePKPdf  11:02:37.39  -0.9  133.0  24                                   RSSD
 SRU  ePKPdf  11:02:41.30   1.6  133.7  34                                   SRU 
 WMOK ePKPdf  11:02:52.89  -3.8X 143.0  27                                   WMOK
 BLA  ePKPbc  11:02:59.45  -0.6  145.2   1                                   BLA 
 MIAR ePKPdf  11:03:00.20  -0.4  145.3  21                                   MIAR
 HBAR ePKPdf  11:03:00.22  -0.3  145.3  16                                   HBAR
 WVT  ePKPdf  11:03:00.26  -0.5  145.4  12                                   WVT 
 UALR ePKPdf  11:03:00.56  -0.4  145.5  19                                   UALR
 JCT  ePKPdf  11:03:02.54   0.6  146.0  32                                   JCT 
 SWET ePKPdf  11:03:03.18   0.2  146.6  10                                   SWET
 OXF  ePKPdf  11:03:03.55   0.7  146.6  15                                   OXF 
 CPCT ePKPbc  11:03:03.70  -0.8  146.6   7                                   CPCT
 LRAL ePKPdf  11:03:06.91   0.8  148.5  12                                   LRAL
 HKT  ePKPdf  11:03:07.09   1.2  148.4  28                                   HKT 
 JSC  ePKPbc  11:03:08.02  -0.5  148.1   3                                   JSC 
 VBMS ePKPbc  11:03:09.35  -0.1  148.4  18                                   VBMS
 GOGA ePKPbc  11:03:09.88  -0.4  148.7   6                                   GOGA
 OTAV ePKPdf  11:03:34.48   0.0  177.8 209                                   OTAV



 Generated 2008 SEP  9 at 06:25 UTC

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


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