Phase Data
7 FEB 2013 ( 38)
ot = 00:41:31.67 +/- 2.21 NORTHERN SUMATRA, INDONESIA
lat = 1.425 +/- 9.6
lon = 98.935 +/- 4.7 MAGNITUDE 5.1 (GS)
dep = 82.8 +/- 6.4
38 km (24 miles) W of Padangsidempuan, Sumatra, Indonesia (pop 178,000)
39 km (24 miles) SSE of Sibolga, Sumatra, Indonesia (pop 90,000)
362 km (225 miles) WSW of KUALA LUMPUR, Malaysia
1213 km (754 miles) NW of JAKARTA, Java, Indonesia
nph = 66 of 70 se = 1.09 FE=706 A
error ellipse = (177.0, 0.0, 14.7; 86.0, 61.0, 10.7;268.0, 28.0, 5.6)
mb = 5.1 ( 36) ML = 5.0 ( 8) mblg = 0.0 ( 0) md = 4.3 ( 1) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
GSI ePn 00:41:56.37 1.0 1.4 265 d:2.1+2 4.3 L:3.2+1 .80 4.9 GSI
eSn 00:42:08.73 S res = -4.5
BKNI ePn 00:42:11.01 2.4 2.4 117 L:1.5+1 .80 5.0 BKNI
eSn 00:42:28.40 S res = -8.5
LHMI ePn 00:42:34.76 0.5 4.3 332 L:3.4+0 1.0 5.0 LHMI
eSn 00:43:06.60 S res = -16.3
MNAI ePn 00:43:12.46 0.7 7.0 145 L:2.5+0 .45 5.7 MNAI
eSn 00:44:26.25 S res = -3.8
PBA ePn 00:44:14.76 -3.3 11.9 329 PBA
CISI ePn 00:44:26.16 -1.4 12.6 135 CISI
UGM ePn 00:44:55.56 -1.4 14.8 129 UGM
PBKT eP 00:45:05.46 0.7 15.2 8 b:3.2+1 .84 4.6 PBKT
CM01 ePn 00:45:24.36 1.4 16.9 0 CM01
CM31 ePn 00:45:24.82 1.4 16.9 0 CM31
BKB eP 00:45:42.86 5.3 18.1 98 b:2.0+2 1.1 5.3 BKB
PALK eP 00:45:49.90 2.0 19.1 288 b:1.1+2 1.4 4.9 PALK
SHL eP 00:46:47.50 0.1 24.9 345 b:3.9+1 .60 5.0 SHL
MMRI eP 00:46:52.21 1.6 25.3 114 b:5.4+1 1.0 5.0 MMRI
NIL eP 00:48:58.87 -0.3 40.1 326 NIL
WRAB eP 00:49:00.44 -4.1 40.7 123 b:8.7+1 .65 5.8 WRAB
WB2 eP 00:49:03.22 -1.3 40.7 123 WB2
eP 00:49:03.47 -1.1
AS01 eP 00:49:14.74 -2.0 42.2 128 AS01
AS31 eP 00:49:15.35 -1.1 42.2 129 b:5.2+0 .50 4.6 AS31
KS15 eP 00:49:37.35 0.8 44.7 33 KS15
MRIV eP 00:49:47.50 0.5 46.0 240 b:1.3+1 1.1 4.7 MRIV
AAK eP 00:49:52.11 1.2 46.5 335 AAK
epP 00:50:13.64 depth = 2.7X
SONA1eP 00:49:53.13 0.9 46.7 7 SONA
ePcP 00:51:24.67 0.0
ULN eP 00:49:53.94 0.9 46.8 8 b:1.2+1 1.0 4.8 ULN
MK01 eP 00:49:57.90 -0.1 47.4 345 MK01
MKAR eP 00:49:58.42 0.2 47.5 345 b:1.8+2 .80 6.0 MKAR
MK31 eP 00:49:58.42 0.2 47.5 345 MK31
MAKZ eP 00:49:59.07 0.1 47.6 344 b:2.8+1 .85 5.2 MAKZ
RER eP 00:50:02.39 0.9 47.8 240 b:3.9+1 .80 5.4 RER
KKAR eP 00:50:07.25 -0.1 48.6 332 KKAR
KK31 eP 00:50:07.25 -0.1 48.6 332 KK31
TLY eP 00:50:19.97 0.7 50.2 4 b:1.9+1 .80 5.2 TLY
KURK eP 00:50:33.08 0.3 52.0 344 b:3.5+1 .85 5.4 KURK
GYA0BeP 00:50:34.02 0.0 52.2 319 b:1.3+1 .80 5.0 GYA0
STKA eP 00:50:34.50 0.0 52.2 133 b:2.3+0 .65 4.4 STKA
ZAA0 eP 00:50:44.22 -0.2 53.6 350 b:4.8+1 .85 5.6 ZAA0
ZALV eP 00:50:44.22 -0.2 53.6 350 ZALV
BRVK eP 00:51:05.99 -0.4 56.7 340 b:1.1+1 .65 5.1 BRVK
epP 00:51:26.58 depth = -0.7X
ABKAReP 00:51:16.05 -0.7 58.1 331 ABKA
TBLG eP 00:51:49.80 -0.1 63.0 317 b:3.9+1 .94 5.4 TBLG
ARU eP 00:51:53.10 -0.9 63.7 336 b:2.3+1 1.2 5.0 ARU
KIV eP 00:52:03.94 -1.0 65.3 319 b:2.4+1 1.0 5.1 KIV
BR131eP 00:52:35.32 -1.0 70.3 312 BR13
MA2 eP 00:52:36.81 0.2 70.4 25 b:4.3+1 1.6 5.1 MA2
ILGA eP 00:52:38.51 0.3 70.5 313 b:2.3+1 .88 5.1 ILGA
LSZ eP 00:52:47.28 0.9 71.8 254 b:1.2+1 .80 4.9 LSZ
TIXI eP 00:52:49.25 -0.7 72.7 10 b:1.9+1 1.2 4.9 TIXI
epP 00:53:11.00 depth = -0.8X
OBN eP 00:52:52.85 -1.5 73.4 328 b:8.2+1 1.6 5.4 OBN
KIEV eP 00:53:09.57 -1.0 76.1 322 b:1.9+1 1.3 4.8 KIEV
BOSA eP 00:53:13.40 0.7 76.4 240 b:1.3+1 .75 4.9 BOSA
BUR08eP 00:53:21.55 0.1 78.0 318 BUR0
SUW eP 00:53:33.87 -0.7 80.5 325 b:5.4+1 1.1 5.4 SUW
BKZ eP 00:53:38.92 -0.2 81.3 130 b:4.5+1 .54 5.6 BKZ
TSUM eP 00:53:46.29 1.3 82.3 251 b:1.0+1 .95 4.7 TSUM
ARCESeP 00:53:46.85 -0.2 82.9 340 ARCE
GEA0 eP 00:54:01.60 -0.5 85.8 319 GEA0
QSPA eP 00:54:29.42 1.2 91.4 180 QSPA
IM3 eP 00:54:47.84 -0.1 95.7 23 IM3
CAST eP 00:54:55.06 0.5 97.1 25 CAST
BPAW eP 00:54:56.10 0.4 97.4 25 BPAW
epP 00:55:19.62 depth = 1.4X
Generated 2013 FEB 7 at 00:59 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
