Phase Data
5 JAN 2012 ( 5)
ot = 23:14:48.20 +/- 1.59 KEPULAUAN BATU, INDONESIA
lat = -0.982 +/- 10.0
lon = 98.985 +/- 8.8 MAGNITUDE 5.1 (GS)
dep = 38.3 +/- 7.5
152 km (94 miles) W of Padang, Sumatra, Indonesia (pop 799,000)
263 km (163 miles) S of Padangsidempuan, Sumatra, Indonesia
549 km (341 miles) SSW of KUALA LUMPUR, Malaysia
1042 km (647 miles) WNW of JAKARTA, Java, Indonesia
nph = 73 of 81 se = 0.78 FE=274 A
error ellipse = (204.0, 7.0, 15.8;113.0, 4.0, 12.8;355.0, 80.0, 11.3)
mb = 5.1 ( 50) ML = 4.8 ( 14) mblg = 4.2 ( 7) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
BKNI ePn 23:15:26.25 0.8 2.4 58 L:2.5+1 .70 5.2 g:3.2+0 .95 4.7 BKNI
GSI ePn 23:15:29.85 1.1 2.7 328 L:1.2+1 1.0 5.0 g:1.9+0 .75 4.6 GSI
PSI ePn 23:15:42.01 -0.3 3.7 359 L:1.1+0 1.8 4.3 g:8.8-1 1.3 4.3 PSI
MYKOMePn 23:16:10.01 1.1 5.6 61 L:7.1-1 .55 4.7 g:9.0-2 .75 3.6 MYKO
IPM ePn 23:16:12.29 0.6 5.8 21 L:7.2-1 2.2 4.8 g:2.5-1 1.1 4.0 IPM
KULM ePn 23:16:20.80 0.1 6.5 15 L:4.3-1 1.3 4.8 g:1.6-1 .95 3.9 KULM
LHMI ePn 23:16:21.84 0.5 6.5 342 L:1.9+0 1.7 5.4 g:4.3-1 1.2 4.3 LHMI
CISI ePn 23:17:22.65 0.0 11.0 127 CISI
KSM ePn 23:17:32.17 1.1X 11.6 78 KSM
SMRI ePn 23:17:49.25 -0.1 12.9 118 SMRI
UGM ePn 23:17:55.94 -0.1 13.4 121 UGM
JAGI ePn 23:18:40.86 -0.4 16.8 117 b:8.4+1 1.6 4.6 JAGI
KKM eP 23:19:01.56 -0.6 18.6 68 b:3.5+1 .80 4.6 KKM
CM01 eP 23:19:08.60 -1.2 19.3 360 CM01
ePn 23:19:09.73 -1.4
CM31 eP 23:19:09.96 -0.3 19.3 360 CM31
ePn 23:19:10.37 -1.2
CHTO eP 23:19:13.81 -0.3 19.7 360 b:1.4+1 .65 4.4 CHTO
PALK eP 23:19:18.11 0.3 20.0 295 b:2.6+1 1.0 4.5 PALK
LUWI eP 23:19:58.14 0.5 23.8 90 LUWI
epP 23:20:08.00 depth = 0.2X
SOEI eP 23:20:23.07 -0.4 26.6 110 b:3.1+1 1.1 4.8 SOEI
DGAR eP 23:20:27.75 -0.9 27.2 256 b:1.6+2 1.2 5.6 DGAR
MBWA eP 23:20:39.92 -0.2 28.5 136 b:1.4+1 1.0 4.6 MBWA
TWG eP 23:21:08.93 -2.0 32.0 41 b:2.4+2 1.6 5.8 TWG
TPUB eP 23:21:10.78 -0.6 32.0 40 b:7.9+1 1.5 5.4 TPUB
YULB eP 23:21:15.36 -0.4 32.5 40 b:6.9+1 1.8 5.2 YULB
SAUI eP 23:21:17.09 -2.3 32.9 103 b:5.5+1 .40 5.8 SAUI
NACB eP 23:21:21.07 -1.1 33.3 40 b:1.9+1 .80 5.0 NACB
FAKI eP 23:21:22.56 0.0 33.3 94 b:1.7+1 .60 5.1 FAKI
MTN eP 23:21:28.53 0.2 34.0 112 b:3.4+1 1.6 5.0 MTN
NWAO eP 23:21:45.71 -1.0 36.1 154 b:1.5+2 1.6 5.7 NWAO
WB2 eP 23:22:14.57 0.0 39.4 121 WB2
eP 23:22:15.30 0.7
FORT eP 23:22:23.41 0.1 40.5 140 b:3.7+2 .65 6.3 FORT
AS01 eP 23:22:26.79 1.3 40.7 126 AS01
AS31 eP 23:22:26.92 1.8 40.7 126 b:4.4+0 .65 4.3 AS31
MSEY eP 23:22:49.02 -0.2 43.6 264 b:8.7+1 1.9 5.2 MSEY
MRIV eP 23:22:59.05 -0.1 44.8 242 MRIV
KBL eP 23:23:00.87 -0.4 45.1 324 b:3.6+0 .60 4.4 KBL
JNU eP 23:23:01.89 -0.8 45.3 39 b:1.6+1 .90 4.9 JNU
epP 23:23:16.33 depth = 3.0X
INCN eP 23:23:08.73 0.7 46.0 31 b:1.2+2 1.7 5.5 INCN
KS01 eP 23:23:11.94 -1.3 46.7 32 KS01
BBOO eP 23:23:15.84 -0.7 47.1 136 b:5.1+1 1.6 5.3 BBOO
GUMO eP 23:23:21.35 -0.3 47.7 71 b:9.5+2 1.9 6.5 GUMO
MANU eP 23:23:25.60 -1.2 48.4 92 b:1.6+2 1.8 5.7 MANU
PMG eP 23:23:28.39 -0.5 48.6 102 b:2.6+1 1.4 5.1 PMG
AAK eP 23:23:29.14 0.1 48.7 336 b:1.2+1 .75 5.0 AAK
SONA1eP 23:23:32.05 0.4 49.1 7 SONA
ULN eP 23:23:32.99 0.6 49.2 7 b:2.5+1 .90 5.3 ULN
MK01 eP 23:23:37.27 0.4 49.8 345 MK01
MAKZ eP 23:23:37.29 -0.5 49.9 345 b:2.0+1 .85 5.2 MAKZ
MK31 eP 23:23:37.90 0.8 49.8 345 MK31
MKAR eP 23:23:37.90 0.8 49.8 345 b:1.8+2 .75 6.2 MKAR
CTAO eP 23:23:38.67 -0.1 50.0 116 b:5.0+0 .85 4.6 CTAO
STKA eP 23:23:44.44 1.1 50.6 132 b:3.4+0 .80 4.4 STKA
INU eP 23:23:44.47 0.6 50.7 41 b:4.1+1 1.4 5.2 INU
KKAR eP 23:23:45.64 0.9 50.8 333 b:5.2+1 .65 5.7 KKAR
JHJ2 eP 23:23:48.34 -0.1 51.3 45 b:2.1+2 1.0 6.1 JHJ2
MJB9 eP 23:23:54.02 -1.0 52.1 40 b:4.7+1 1.5 5.2 MJB9
MAJO eP 23:23:55.21 0.2 52.1 40 b:4.2+1 1.5 5.2 MAJO
PAF eP 23:24:09.59 0.3 54.1 203 b:4.1+2 1.5 6.2 PAF
KURK eP 23:24:11.69 0.7 54.4 344 b:2.1+1 .90 5.2 KURK
EIDS eP 23:24:21.47 0.0 55.7 120 b:6.9+0 .55 4.9 EIDS
RAYN eP 23:24:33.57 0.5 57.4 299 RAYN
epP 23:24:44.74 depth = 0.5X
BRVK eP 23:24:43.68 0.1 59.0 340 b:1.8+1 .65 5.3 BRVK
ABKAReP 23:24:53.00 0.3 60.3 332 ABKA
ARU eP 23:25:29.81 0.0 65.9 337 ARU
epP 23:25:42.31 depth = 1.2X
MARD eP 23:25:30.51 0.5 65.8 312 b:3.1+1 .64 5.5 MARD
KIV eP 23:25:38.44 0.3 67.1 319 b:1.2+1 1.0 4.9 KIV
BR131eP 23:26:08.06 0.3 71.9 313 BR13
epP 23:26:21.37 depth = 2.3X
BR231eP 23:26:09.19 -2.6 72.6 312 BR23
MLR eP 23:26:48.98 1.2 78.9 317 MLR
BUR04eP 23:26:54.92 2.0 79.8 319 BUR0
BUR08eP 23:26:55.47 2.5 79.9 319 BUR0
VTS epP 23:27:09.22 2.7X 80.2 313 VTS
VNDA eP 23:27:14.57 3.8X 83.4 169 VNDA
Generated 2012 JAN 5 at 23:29 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
