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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     15 APR 2009  (105)

     ot  = 17:47:27.23   +/-   3.28              KEP. MENTAWAI REGION, INDONESIA 
     lat =      -3.089   +/-    6.1
     lon =     100.430   +/-    6.4              MAGNITUDE 5.8 (GCMT)     
     dep =        14.6   +/-   19.4   

     215 km (135 miles) WNW of Bengkulu, Sumatra, Indonesia
     235 km (145 miles) S of Padang, Sumatra, Indonesia
     390 km (245 miles) WSW of Jambi, Sumatra, Indonesia
     775 km (485 miles) WNW of JAKARTA, Java, Indonesia

     nph =  138 of 164    se = 1.10    FE=274                            B   

     error ellipse = ( 50.7, 74.0, 30.6;221.4, 15.8,  8.6;312.1,  2.4,  6.3)

 mb = 5.5 ( 62)  ML = 0.0 (  0)  mblg = 3.8 (  9)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 IPM  ePn     17:49:19.60   1.4    7.6   5 L:3.6-1 1.3 4.9X g:1.5-1 1.0 3.9  IPM 
 KULM ePn     17:49:28.21   0.7    8.3   2 L:2.8-1 2.9 4.9X g:9.0-2 1.0 3.8  KULM
 COCO ePn     17:49:42.25  -4.4X   9.7 201 g:1.2-1 1.0 4.0                   COCO
 KSM  ePn     17:50:05.65   3.3   10.9  66 g:4.0-2 1.0 3.6                   KSM 
 UGM  ePn     17:50:05.71  -0.3   11.1 116 g:7.0-2 1.0 3.9                   UGM 
 KKM  eP      17:51:40.55   1.0   18.2  60 g:9.9-3 1.3 3.3  b:2.7+2 1.1 5.3  KKM 
 KAPI eP      17:51:50.29  -2.4   19.4  96 g:1.0-2 1.0 3.4  b:4.2+2 .90 5.7  KAPI
 CM31 eP      17:52:13.89  -1.4   21.5 356 g:6.9-2 .93 4.4  b:4.3+1 .75 4.9  CM31
 CHTO eP      17:52:18.02  -1.1   21.8 356 b:7.0+1 1.0 5.0                   CHTO
 MBWA eP      17:52:59.63  -0.1   26.0 135 b:3.6+2 2.3 5.6                   MBWA
 FITZ eP      17:53:24.10  -1.4   28.9 123 g:6.6-2 .90 4.6  b:6.6+1 .90 5.4  FITZ
 TPUB eP      17:53:59.90  -0.4   32.8  36 b:1.2+2 1.3 5.7                   TPUB
 TWG  eP      17:54:00.00   0.7   32.7  37 b:3.9+2 1.4 6.2                   TWG 
 YULB eP      17:54:01.93  -2.4   33.3  37 b:5.0+1 1.3 5.3                   YULB
 SSLB eP      17:54:05.55   0.4   33.4  36 b:4.9+2 2.5 6.0                   SSLB
 YHNB eP      17:54:12.06  -1.2   34.3  35 b:4.0+1 .95 5.3                   YHNB
 WRAB eP      17:54:35.95  -1.4   37.1 120 b:4.7+1 .75 5.3                   WRAB
 FORT eP      17:54:45.18   0.8   37.9 140 b:8.2+1 .90 5.5                   FORT
 AS31 eP      17:54:46.62  -0.8   38.3 125                                   AS31
 JOW  eP      17:55:03.03   0.5   40.1  40 b:3.3+1 1.1 4.9                   JOW 
 COEN eP      17:55:29.08  -1.9   43.5 107 b:1.9+2 1.1 5.8                   COEN
 BBOO eP      17:55:46.38   7.4X  44.6 136 b:7.8+2 1.1 6.5X                  BBOO
 JNU  eP      17:55:50.94  -0.2   46.1  36 b:9.2+1 1.0 5.7                   JNU 
 PMG  eP      17:55:55.44  -1.7   46.8 100 b:5.6+1 1.0 5.6                   PMG 
 INCN eP      17:55:58.24  -0.8   47.1  29 b:3.7+1 1.0 5.4                   INCN
 KBL  eP      17:56:02.92  -0.6   47.7 324 b:3.3+1 .95 5.4                   KBL 
 CTAO eP      17:56:03.69  -0.5   47.8 114 b:4.0+2 2.1 6.1                   CTAO
 ULN  eP      17:56:29.97   0.7   51.1   6 b:1.5+2 .90 5.9                   ULN 
 AAK  eP      17:56:31.00   0.6   51.2 336 b:5.4+1 1.1 5.4                   AAK 
 EKS2 eP      17:56:33.56   0.8   51.5 335 b:9.7+1 .95 5.7                   EKS2
 MK31 eP      17:56:37.49   0.0   52.2 344                                   MK31
 MKAR eP      17:56:37.50   0.0   52.2 344                                   MKAR
 MAJO eP      17:56:41.52  -1.0   52.8  38 b:7.3+1 1.3 5.4                   MAJO
 KKAR eP      17:56:45.51  -0.3   53.3 333                                   KKAR
 EIDS eP      17:56:46.83  -0.3   53.4 119 b:5.0+1 1.1 5.4                   EIDS
 CAN  eP      17:56:59.32  -0.3   55.2 132 b:3.1+1 .95 5.3                   CAN 
 ARMA eP      17:57:03.11   1.5   55.4 125 b:3.8+1 1.0 5.4                   ARMA
 KURK eP      17:57:09.97  -0.6   56.8 344 b:1.7+2 1.0 6.0                   KURK
 ZAA0 eP      17:57:21.02  -0.4   58.3 349                                   ZAA0
 HNR  eP      17:57:28.90  -1.1   59.4  99 b:3.4+2 .90 6.5X                  HNR 
 ASAJ eP      17:57:35.63   0.4   60.3  34 b:4.3+2 2.9 6.1                   ASAJ
 BRVK eP      17:57:42.08  -0.7   61.4 340 b:2.9+1 .90 5.4                   BRVK
 ABKAReP      17:57:51.11  -1.1   62.8 331                                   ABKA
 KMBO eP      17:57:55.46  -0.1   63.2 270 b:1.3+2 2.5 5.7                   KMBO
 CASY eP      17:58:04.11   7.8X  63.5 175 b:3.8+1 1.2 5.4                   CASY
 MALT eP      17:58:40.81  -0.3   70.4 313 b:2.9+1 1.0 5.4                   MALT
 PEA0BeP      17:58:58.97  -0.8   73.6  32                                   PEA0
 RPZ  eP      17:59:02.99   1.0   73.9 135 b:3.5+1 .86 5.4                   RPZ 
 BR131eP      17:59:03.22  -1.7   74.4 313 b:1.6+1 .80 5.1                   BR13
 ANTO eP      17:59:07.77  -0.9   75.0 313 b:2.8+1 1.0 5.2                   ANTO
 BOSA eP      17:59:10.86  -0.9   75.5 241 b:3.0+2 2.9 5.8                   BOSA
 LBTB eP      17:59:15.47   6.9X  75.0 245 b:1.2+2 2.5 5.5                   LBTB
 URZ  P       17:59:26.26   2.9   77.6 128 b:7.7+1 1.4 5.6                   URZ 
 TIRR eP      17:59:31.45  -1.7   79.4 316 b:4.0+1 1.1 5.3                   TIRR
 SUR  eP      17:59:36.09   1.6   79.6 238 b:1.4+2 2.1 5.6                   SUR 
 IDI  eP      17:59:36.92   0.2   80.0 307 b:2.8+1 .90 5.3                   IDI 
 KIEV eP      17:59:37.42  -1.9   80.6 322 b:2.6+1 1.2 5.1                   KIEV
 AK02 P       17:59:38.37  -0.9   80.6 322                                   AK02
 AK01 P       17:59:38.37  -1.0   80.6 322                                   AK01
 VNDA eP      17:59:41.22   0.1   81.0 169 b:2.8+1 1.1 5.2                   VNDA
 BUR08P       17:59:49.47   0.5   82.4 319                                   BUR0
 SBA  eP      17:59:52.10   5.3X  82.1 169 b:1.6+2 2.0 5.8                   SBA 
 KWP  P       17:59:59.22   0.0   84.4 320 b:4.4+1 1.1 5.6                   KWP 
 SUW  eP      18:00:01.52  -0.6   85.0 325 b:1.8+2 1.0 6.3                   SUW 
 FIA1 P       18:00:03.07  -0.2   85.3 332                                   FIA1
 PSZ  eP      18:00:07.28   0.3   85.9 318 b:1.9+1 1.0 5.2                   PSZ 
 OJC  eP      18:00:08.77  -0.2   86.4 321 b:3.2+1 1.3 5.4                   OJC 
 TIP  eP      18:00:13.01   0.4   87.0 309 b:3.3+1 1.2 5.4                   TIP 
 ARE0 P       18:00:15.52   0.7   87.6 340                                   ARE0
 MORC eP      18:00:15.77   0.0   87.7 320 b:2.7+1 1.3 5.4                   MORC
 CEL  eP      18:00:16.09   0.7   87.6 308 b:4.6+1 1.2 5.6                   CEL 
      eP      18:00:23.70   8.3X
 CUC  eP      18:00:16.43   0.0   87.8 310 b:2.1+1 1.3 5.3                   CUC 
 DPC  eP      18:00:20.42   0.6   88.6 320 b:4.8+1 1.4 5.6                   DPC 
 AQU  eP      18:00:26.28   0.4   89.9 312 b:6.2+1 1.0 5.8                   AQU 
 GEC2 eP      18:00:27.55   0.4   90.1 319                                   GEC2
 KHC  eP      18:00:27.88   0.3   90.3 319 b:9.3+0 1.2 4.9                   KHC 
 GAMB P       18:00:34.50   0.2   91.8  26 b:2.6+1 1.6 5.3                   GAMB
 GRFO eP      18:00:35.51   0.7   91.8 320 b:1.9+1 1.1 5.4                   GRFO
      ePP     18:04:10.16  -3.7X
 SNAA eP      18:00:36.03   4.2X  91.3 198 b:1.5+1 1.1 5.3                   SNAA
 FUORNeP      18:00:38.00   0.4   92.3 316 b:2.3+1 1.0 5.5                   FUOR
 KONO P       18:00:40.38   0.1   93.1 329 b:1.7+1 1.0 5.4                   KONO
 KEST eP      18:00:40.40   1.3   92.7 306                                   KEST
 TNA  P       18:00:42.30   0.3   93.5  25 b:8.6+0 .92 5.2                   TNA 
 XMAS         18:01:22.83   0.2X 102.2  89                                   XMAS
 YKW3 P       18:06:06.05  -1.9  115.2  17                                   YKW3
 FFC  ePKPdf  18:06:26.46  -1.2  125.4  16                                   FFC 
 HAWA ePKPdf  18:06:26.75   0.2  124.6  33                                   HAWA
 NEW  ePKPdf  18:06:26.84   0.3  124.7  30                                   NEW 
 HUMO ePKPdf  18:06:27.76   0.7  124.9  38                                   HUMO
 BSMT ePKPdf  18:06:28.97  -0.6  126.1  29                                   BSMT
 KHMM ePKPdf  18:06:30.37   2.2  125.3  40                                   KHMM
 SWMT P       18:06:30.45  -0.2  126.7  29                                   SWMT
 MSO  ePKPdf  18:06:30.70  -0.9  127.2  29                                   MSO 
 SLMT ePKPdf  18:06:30.83  -0.7  127.1  29                                   SLMT
 SCHQ ePKPdf  18:06:31.60   0.0  127.4 351                                   SCHQ
 CHMT ePKPdf  18:06:31.67  -0.6  127.5  29                                   CHMT
      e       18:06:41.62   4.3X
 EGMT ePKPdf  18:06:32.64  -0.9  128.2  26                                   EGMT
 BEKR P       18:06:34.09   0.6  128.0  40                                   BEKR
 LRM  ePKPdf  18:06:34.42  -0.2  128.7  29                                   LRM 
 SNOW         18:06:34.61  -4.9X 131.2  30                                   SNOW
 MFID ePKPdf  18:06:34.81   0.5  128.6  33                                   MFID
 DLMT ePKPdf  18:06:35.15   0.2  128.9  30                                   DLMT
 CMB  ePKPdf  18:06:35.94   0.7  129.0  42                                   CMB 
 BOZ  ePKPdf  18:06:36.14   0.7  129.2  29                                   BOZ 
 HLID ePKPdf  18:06:36.20   0.5  129.2  32                                   HLID
 QLMT ePKPdf  18:06:37.86   1.0  129.9  29                                   QLMT
 DGMT ePKPdf  18:06:38.32   1.4  130.1  21                                   DGMT
 YMR  P       18:06:38.53   1.0  130.2  29                                   YMR 
 ULM  ePKPdf  18:06:38.55   0.0  131.0  14                                   ULM 
 HWUT ePKPdf  18:06:39.50  -1.7  132.1  32                                   HWUT
      ePP     18:09:00.34  -1.8X
 HVU  ePKPdf  18:06:39.98   0.3  131.3  33                                   HVU 
 LKWY ePKPdf  18:06:41.08   2.8X 130.6  29                                   LKWY
 TPAW ePKPdf  18:06:41.96   2.7  131.1  30                                   TPAW
 DUG  ePKPdf  18:06:43.45   1.8  132.4  35                                   DUG 
 GSC  ePKPdf  18:06:43.67   0.9  132.9  43                                   GSC 
 EYMN ePKPdf  18:06:44.09  -0.5  134.1  11                                   EYMN
 JLU  ePKPdf  18:06:44.36   1.6  132.9  33                                   JLU 
 DAU  ePKPdf  18:06:44.94   1.7  133.1  33                                   DAU 
 TMUT ePKPdf  18:06:46.71   1.9  133.9  34                                   TMUT
 PHWY ePKPdf  18:06:47.75   0.2  135.4  28                                   PHWY
 ECSD ePKPdf  18:06:48.16  -1.5  136.8  18                                   ECSD
 ANMO ePKPdf  18:06:49.15  -6.2X 139.6  35                                   ANMO
 ISCO ePKPdf  18:06:49.27  -0.3  136.5  29                                   ISCO
 BINY         18:06:50.10  -7.2X 140.9 356                                   BINY
 BNM  P       18:06:51.83  -4.5X 140.1  36                                   BNM 
 ACSO ePKPdf  18:06:58.45  -2.4  142.9   4                                   ACSO
 GDL2 ePKPdf  18:06:59.20  -1.9  142.8  36                                   GDL2
      eSKPbc  18:10:51.70  12.7X
 FVM  P       18:06:59.22  -3.4X 143.9  15                                   FVM 
 WMOK P       18:06:59.34  -3.3X 143.8  27                                   WMOK
 WCI  P       18:07:00.89  -2.8  144.5   9                                   WCI 
 SIUC ePKPdf  18:07:01.47  -2.1  144.4  13                                   SIUC
 USIN ePKPdf  18:07:01.67  -2.0  144.5  11                                   USIN
 UTMT ePKPdf  18:07:02.69  -3.3X 145.8  13                                   UTMT
 PARMOP       18:07:04.50  -0.3  145.3  15                                   PARM
 GLAT P       18:07:06.34   0.4  145.8  14                                   GLAT
 WVT  e       18:07:06.34  -0.4  146.2  12                                   WVT 
 BLA  P       18:07:06.34  -0.1  146.0   1                                   BLA 
 GNAR ePKPdf  18:07:06.71   0.6  145.9  15                                   GNAR
 MIAR ePKPdf  18:07:06.86   0.3  146.1  21                                   MIAR
 UALR ePKPdf  18:07:07.06   0.2  146.3  19                                   UALR
      e       18:07:17.46   3.8X
 HALT P       18:07:07.15   0.7  146.1  14                                   HALT
 TZTN ePKPdf  18:07:07.49   0.3  146.5   6                                   TZTN
 JCT  ePKPdf  18:07:07.51  -0.2  146.7  33                                   JCT 
 LCO  ePKPdf  18:07:08.78   0.2  147.0 194                                   LCO 
 CPCT ePKPdf  18:07:09.13   0.3  147.5   8                                   CPCT
 TKL  ePKPdf  18:07:10.01   1.4  147.4   6                                   TKL 
 SWET ePKPdf  18:07:10.31   1.4  147.5  10                                   SWET
 OXF  P       18:07:10.55   1.8  147.4  15                                   OXF 
 HKT  ePKPdf  18:07:11.88   0.2  149.2  28                                   HKT 
 GOGA ePKPdf  18:07:13.04   0.7  149.6   7                                   GOGA
 LRAL ePKPdf  18:07:13.39   1.4  149.4  12                                   LRAL
 JSC  P       18:07:14.35   3.1X 148.9   3                                   JSC 
 VBMS ePKPdf  18:07:15.92   4.1X 149.2  18                                   VBMS
 NHSC ePKPdf  18:07:18.65   5.5X 150.1   1                                   NHSC
 SAML P       18:07:26.58  -0.3  159.7 234                                   SAML
 OTAV P       18:07:38.61  -0.3  177.0 202                                   OTAV
      e       18:07:47.06   3.1X
 HRY  ePP     18:08:40.28   3.1X 128.3  28                                   HRY 



 Generated 2009 APR 20 at 15:13 UTC

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


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