Phase Data
1 JAN 2013 ( 1)
ot = 09:21:19.46 +/- 1.46 KEPULAUAN BATU, INDONESIA
lat = -0.207 +/- 10.6
lon = 98.546 +/- 11.3 MAGNITUDE 4.4 (GS)
dep = 47.3 +/- 11.5
193 km (120 miles) SSW of Padangsidempuan, Sumatra, Indonesia
217 km (135 miles) S of Sibolga, Sumatra, Indonesia
512 km (318 miles) SW of KUALA LUMPUR, Malaysia
1131 km (702 miles) NW of JAKARTA, Java, Indonesia
nph = 22 of 22 se = 0.72 FE=274 A
error ellipse = (130.0, 26.0, 21.4;317.0, 63.0, 16.4;221.0, 2.0, 12.1)
mb = 4.4 ( 9) ML = 3.8 ( 8) mblg = 3.3 ( 4) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
PSI ePn 09:22:03.28 -0.1 2.9 8 L:1.5-1 .90 3.2 g:7.0-2 .85 3.2 PSI
IPM ePn 09:22:37.14 1.3 5.3 28 L:1.5-1 .60 4.0 g:7.0-2 1.0 3.5 IPM
MYKOMePn 09:22:42.13 1.0 5.7 69 L:1.3-1 .50 4.0 g:5.0-2 1.2 3.4 MYKO
KULM ePn 09:22:43.88 0.2 5.9 21 L:1.1-1 1.6 4.0 g:3.0-2 .75 3.1 KULM
COCO ePn 09:24:09.35 1.0 12.0 188 COCO
SBUM ePn 09:24:34.83 0.6 13.9 79 SBUM
PBKT ePn 09:25:11.49 -0.6 16.8 8 b:1.0+1 .70 4.1 PBKT
CM31 eP 09:25:32.00 -0.4 18.5 1 CM31
KKM eP 09:25:34.18 0.0 18.7 70 b:2.3+1 .70 4.5 KKM
CHTO eP 09:25:35.24 -1.1 18.9 1 b:4.9+0 .65 3.9 CHTO
WB2 eP 09:28:50.17 -1.2 40.2 121 WB2
eP 09:28:50.40 -1.0
WRAB eP 09:28:50.60 -0.8 40.2 121 b:4.4+0 .50 4.5 WRAB
AS31 eP 09:29:01.76 -0.4 41.5 127 b:1.0+0 .45 3.8 AS31
AS01 eP 09:29:02.15 -0.4 41.5 127 AS01
NRN eP 09:29:41.00 0.9 46.2 336 b:2.9+0 .50 4.5 NRN
SONA1eP 09:29:56.95 0.4 48.3 7 SONA
MK01 eP 09:30:00.92 0.2 48.9 345 MK01
MK31 eP 09:30:01.05 0.2 48.9 345 MK31
MKAR eP 09:30:01.07 0.2 48.9 345 b:2.2+1 .80 5.2 MKAR
ZALV eP 09:30:46.50 -0.5 55.2 350 ZALV
ZAA0 eP 09:30:47.06 0.0 55.2 350 b:5.2+0 .50 4.8 ZAA0
Generated 2013 JAN 1 at 09:52 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
