Phase Data
18 MAY 2011 (138)
ot = 03:21:16.80 +/- 2.52 NORTHERN SUMATRA, INDONESIA
lat = 4.231 +/- 7.5
lon = 97.582 +/- 6.2 MAGNITUDE 4.6 (GS)
dep = 175.1 +/- 8.3
50 km (31 miles) WSW of Langsa, Sumatra, Indonesia (pop 137,000)
115 km (72 miles) SSE of Lhokseumawe, Sumatra, Indonesia (pop 154,000)
472 km (293 miles) WNW of KUALA LUMPUR, Malaysia
1541 km (957 miles) NW of JAKARTA, Java, Indonesia
nph = 40 of 40 se = 1.24 FE=706 A
error ellipse = (210.0, 59.0, 14.1;319.0, 10.0, 12.4; 55.0, 28.0, 5.1)
mb = 4.6 ( 17) ML = 0.0 ( 0) mblg = 0.0 ( 0) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
LHMI ePn 03:21:45.75 0.3 1.2 328 LHMI
eSn 03:22:06.67 S res = -0.8
PSI ePn 03:21:54.36 0.3 2.0 139 PSI
eSn 03:22:21.16 S res = -1.7
GSI ePn 03:22:03.96 -0.2 2.9 180 GSI
eSn 03:22:37.08 S res = -3.8
KULM ePn 03:22:07.31 -0.8 3.2 71 KULM
eSn 03:22:44.00 S res = -4.1
IPM ePn 03:22:10.23 -0.5 3.4 86 IPM
eSn 03:22:47.81 S res = -5.0
BKNI ePn 03:22:33.10 -0.1 5.2 138 BKNI
MYKOMePn 03:22:53.16 0.0 6.7 111 MYKO
MNAI ePn 03:23:34.94 -2.6 10.1 148 MNAI
CM01 ePn 03:24:31.44 1.6 14.2 5 CM01
CM31 ePn 03:24:32.09 1.8 14.2 5 CM31
CHTO ePn 03:24:36.33 1.6 14.6 5 CHTO
CISI ePn 03:24:43.89 -3.0 15.5 139 b:7.9+1 1.3 4.9 CISI
XMIS eP 03:24:56.54 -3.5 16.7 151 b:2.2+2 1.6 5.3 XMIS
PALK eP 03:25:05.94 1.7 17.1 281 b:2.6+1 1.4 4.4 PALK
UGM eP 03:25:11.36 0.5 17.7 133 b:3.6+2 1.5 5.5 UGM
KKM eP 03:25:23.40 1.8 18.6 84 b:1.9+1 .60 4.7 KKM
MYLDMeP 03:25:47.96 2.5 20.9 87 b:3.9+1 1.3 4.7 MYLD
FITZ eP 03:27:57.43 0.7 35.5 130 b:2.2+1 .60 5.0 FITZ
WB2 eP 03:29:03.65 1.3 43.4 125 b:7.9+0 .55 4.5 WB2
SONA1eP 03:29:07.08 -0.7 44.1 9 SONA
MK01 eP 03:29:09.12 -0.9 44.4 345 MK01
ULN eP 03:29:09.18 0.4 44.2 9 b:4.4+0 1.0 4.0 ULN
AS31 eP 03:29:14.84 0.0 45.0 130 b:1.4+0 .65 3.6 AS31
AS01 eP 03:29:16.24 1.1 45.0 130 AS01
BRVK eP 03:30:18.93 -0.9 53.6 340 b:2.9+0 .50 4.3 BRVK
ABKAReP 03:30:29.56 -0.8 55.0 331 ABKA
BR131eP 03:31:52.97 -0.7 67.4 311 BR13
BR231eP 03:31:53.64 -4.2 68.1 311 BR23
TIXI eP 03:32:08.40 -1.4 70.1 10 b:4.7+0 .70 4.4 TIXI
KARP eP 03:32:19.89 0.2 71.6 306 b:1.5+1 .90 4.7 KARP
LAST eP 03:32:27.59 0.1 73.0 305 b:2.8+1 1.5 4.8 LAST
IDI eP 03:32:30.88 0.5 73.5 305 b:8.0+0 .70 4.6 IDI
GEA0 eP 03:33:21.82 0.2 82.8 319 GEA0
FUORNeP 03:33:34.32 0.8 85.1 316 b:8.2+0 1.2 4.4 FUOR
KEST eP 03:33:40.22 1.7 86.1 305 b:5.8+0 .80 4.5 KEST
Generated 2011 MAY 18 at 03:48 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
