Phase Data
11 JAN 2012 ( 11)
ot = 11:36:19.25 +/- 1.28 KEP. MENTAWAI REGION, INDONESIA
lat = -1.737 +/- 13.5
lon = 99.758 +/- 15.6 MAGNITUDE 4.5 (GS)
dep = 33.3 +/- 6.9
109 km (68 miles) SW of Padang, Sumatra, Indonesia (pop 799,000)
313 km (195 miles) SW of Pekanbaru, Sumatra, Indonesia
583 km (362 miles) SSW of KUALA LUMPUR, Malaysia
925 km (574 miles) WNW of JAKARTA, Java, Indonesia
nph = 25 of 27 se = 0.63 FE=274 A
error ellipse = (231.0, 12.0, 28.9;137.0, 20.0, 15.2;350.0, 66.0, 7.5)
mb = 4.5 ( 1) ML = 4.2 ( 14) mblg = 3.6 ( 8) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
BKNI ePn 11:36:56.66 0.2 2.4 32 L:7.5+0 .80 4.7 g:1.9+0 1.0 4.5 BKNI
eSn 11:37:24.13 S res = -0.8
GSI ePn 11:37:14.55 0.1 3.7 324 L:6.5-1 .80 4.1 g:2.9-1 1.3 3.9 GSI
MNAI ePn 11:37:22.11 2.2 4.1 129 L:2.3+0 .80 4.8 g:4.0-1 .70 4.1 MNAI
PSI ePn 11:37:24.93 0.0 4.5 349 L:1.4-1 2.0 3.7 PSI
MYKOMePn 11:37:36.64 -0.7 5.4 49 L:3.0-1 .45 4.3 g:6.0-2 .75 3.4 MYKO
IPM ePn 11:37:50.32 0.4 6.3 12 L:7.0-2 1.0 4.0 g:3.0-2 .75 3.1 IPM
ee 11:37:54.25 0.0X
KULM ePn 11:37:59.09 -0.9 7.0 7 L:7.0-2 1.1 4.2 g:3.0-2 .85 3.2 KULM
ee 11:38:01.96 0.0X
CISI ePn 11:38:38.39 -0.9 9.9 126 CISI
UGM ePn 11:39:13.27 0.3 12.4 120 UGM
CM31 eP 11:40:50.11 0.0 20.1 358 CM31
CM01 eP 11:40:50.92 1.2 20.0 358 CM01
LUWI eP 11:41:21.01 -0.7 23.0 89 b:5.5+1 1.0 5.0 LUWI
MMRI eP 11:41:26.56 0.9 23.4 108 b:5.5+1 .80 5.1 MMRI
SOEI eP 11:41:46.18 0.0 25.6 109 b:6.1+1 1.7 4.9 SOEI
WRAB eP 11:43:35.97 -1.5 38.3 121 b:6.0+0 .80 4.5 WRAB
WB2 eP 11:43:36.07 -1.3 38.3 121 b:6.7+0 .95 4.4 WB2
AS01 eP 11:43:47.64 -0.6 39.6 126 AS01
AS31 eP 11:43:47.92 0.0 39.6 126 b:3.3+0 1.1 4.0 AS31
MK01 eP 11:45:15.50 -0.1 50.7 345 MK01
MKAR eP 11:45:16.02 0.3 50.7 345 b:3.4+1 .45 5.6 MKAR
MK31 eP 11:45:16.02 0.3 50.7 345 MK31
MAKZ eP 11:45:16.92 0.4 50.8 344 b:2.2+0 .75 4.2 MAKZ
KURK eP 11:45:49.76 0.4 55.3 344 b:4.2+0 .75 4.6 KURK
ABKAReP 11:46:31.22 -0.2 61.3 331 b:3.4+1 .65 5.6 ABKA
Generated 2012 JAN 11 at 14:03 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
