Phase Data
7 SEP 2012 (251)
ot = 00:55:46.06 +/- 1.41 NIAS REGION, INDONESIA
lat = 0.137 +/- 3.2
lon = 98.536 +/- 10.6 MAGNITUDE 4.5 (GS)
dep = 46.4 +/- 10.0
160 km (99 miles) SSW of Padangsidempuan, Sumatra, Indonesia (pop 178,000)
179 km (111 miles) S of Sibolga, Sumatra, Indonesia
485 km (301 miles) SW of KUALA LUMPUR, Malaysia
1155 km (717 miles) NW of JAKARTA, Java, Indonesia
nph = 28 of 28 se = 0.70 FE=706 A
error ellipse = (265.0, 29.0, 16.7; 87.0, 60.0, 14.7;355.0, 0.0, 4.7)
mb = 4.5 ( 12) ML = 4.2 ( 10) mblg = 3.6 ( 3) md = 4.2 ( 1) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
GSI ePn 00:56:11.30 0.7 1.5 320 d:1.8+2 4.2 L:3.8+0 .55 4.0 GSI
g:3.5-1 .70 3.6
BKNI ePn 00:56:24.58 0.2 2.5 86 L:4.3+0 .70 4.5 g:5.2-1 .70 4.0 BKNI
PSI ePn 00:56:24.91 -0.4 2.6 9 L:2.1-1 .95 3.2 g:8.0-2 .85 3.1 PSI
LHMI ePn 00:57:02.84 0.1 5.3 343 L:2.3-1 2.0 4.2 LHMI
MNAI ePn 00:57:15.87 -0.4 6.3 135 L:1.2+0 .40 5.1 MNAI
COCO ePn 00:58:39.36 -0.2 12.4 188 COCO
CM01 eP 00:59:54.23 -0.7 18.2 1 CM01
MTN eP 01:02:31.10 -1.6 34.8 113 b:1.2+1 1.1 4.7 MTN
WB2 eP 01:03:17.37 -2.3 40.3 122 WB2
eP 01:03:17.86 -1.8
WRAB eP 01:03:18.54 -1.1 40.4 122 b:1.3+1 .65 4.8 WRAB
AS01 eP 01:03:30.15 -0.8 41.7 127 AS01
BJT eP 01:03:40.14 0.6 42.8 20 b:8.7+0 .60 4.7 BJT
KBL eP 01:03:48.72 -0.3 44.0 324 b:1.4+1 1.7 4.4 KBL
JNU eP 01:03:54.62 -0.5 44.7 40 b:3.1+1 1.7 4.8 JNU
KS01 eP 01:04:04.49 -0.4 46.0 33 KS01
SONA1eP 01:04:21.77 1.1 48.0 7 SONA
MK01 eP 01:04:25.55 0.7 48.6 345 MK01
MAKZ eP 01:04:26.17 0.4 48.7 345 b:3.4+0 .95 4.4 MAKZ
MKAR eP 01:04:26.20 1.1 48.6 345 b:2.0+1 .70 5.3 MKAR
MK31 eP 01:04:26.20 1.1 48.6 345 MK31
USA0BeP 01:04:58.31 0.1 53.0 30 USA0
KURK eP 01:04:58.89 -0.4 53.2 344 b:3.3+0 1.0 4.3 KURK
ZAA0 eP 01:05:11.72 0.4 54.8 350 b:3.4+0 .80 4.4 ZAA0
ZALV eP 01:05:11.77 0.5 54.8 350 ZALV
BRVK eP 01:05:32.25 0.0 57.8 340 b:2.3+0 .90 4.3 BRVK
ABKAReP 01:05:41.80 0.2 59.1 332 ABKA
FAKI eS 01:07:46.31 0.7 33.8 95 FAKI
Generated 2012 SEP 7 at 01:48 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
