Phase Data
1 DEC 2010 (335)
ot = 00:50:21.45 +/- 2.26 NORTHERN SUMATRA, INDONESIA
lat = 2.622 +/- 6.7
lon = 99.041 +/- 5.8 MAGNITUDE 5.5 (GS)
dep = 160.7 +/- 7.7
35 km (25 miles) S of Pematangsiantar, Sumatra, Indonesia (pop 229,000)
95 km (55 miles) WSW of Tanjungbalai, Sumatra, Indonesia (pop 152,000)
300 km (185 miles) WSW of KUALA LUMPUR, Malaysia
1305 km (810 miles) NW of JAKARTA, Java, Indonesia
nph = 70 of 77 se = 1.11 FE=706 A
error ellipse = (169.0, 49.0, 13.2;303.0, 30.0, 11.8; 48.0, 23.0, 2.6)
mb = 5.4 ( 25) ML = 5.0 ( 18) mblg = 0.0 ( 0) md = 4.4 ( 1) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
PSI ePn 00:50:43.21 0.1 0.1 301 d:4.1+2 4.4 L:1.7+1 1.4 4.6 PSI
eSn 00:50:57.75 S res = -1.9
GSI ePn 00:50:56.68 -0.2 2.0 228 L:4.2+1 .60 5.4 GSI
eSn 00:51:23.54 S res = -0.6
IPM ePn 00:51:06.35 0.7 2.7 47 L:2.1+0 1.2 4.4 IPM
eSn 00:51:39.28 S res = -0.6
KULM ePn 00:51:10.25 -0.3 3.1 31 L:2.3+0 1.8 4.5 KULM
eSn 00:51:47.49 S res = -1.1
BKNI ePn 00:51:11.25 1.6 3.0 139 L:4.9+0 1.3 4.8 BKNI
LHMI ePn 00:51:12.40 -1.0 3.3 321 L:2.1+1 1.1 5.6 LHMI
MYKOMePn 00:51:36.08 2.7 4.9 100 L:7.3-1 1.8 4.6 MYKO
MNAI ePn 00:52:13.60 -0.8 8.0 151 L:1.6+0 .60 5.8 MNAI
eSn 00:53:41.20 S res = -2.2
PMBI ePn 00:52:14.43 1.1 7.9 134 L:9.1-1 .30 5.5 PMBI
KSM ePn 00:53:00.25 1.6 11.3 96 KSM
ee 00:53:01.30 0.0X
CISI ePn 00:53:24.10 -1.1 13.4 139 CISI
eSn 00:55:44.25 S res = -9.4
SBUM ePn 00:53:24.64 2.2 13.2 90 SBUM
eP 00:53:25.01 -1.7
XMIS ePn 00:53:41.93 1.6 14.6 153 XMIS
UGM ePn 00:53:51.36 -0.5 15.5 133 b:1.2+2 .70 5.4 UGM
eS 00:56:40.56 S res = -4.3
CM01 ePn 00:53:54.61 0.5 15.7 360 CM01
esP 00:54:41.54 -0.8
CHTO ePn 00:53:58.25 -0.7 16.1 360 CHTO
eP 00:53:58.36 -0.8
KKM eP 00:54:15.30 1.0 17.5 78 KKM
ePn 00:54:16.67 1.2
JAGI eP 00:54:27.75 0.4 18.7 126 JAGI
ePn 00:54:29.06 -0.6
PALK eP 00:54:31.38 2.0 18.8 285 PALK
ePn 00:54:31.53 -0.2
eS 00:57:51.28 S res = -4.0
MYLDMeP 00:54:39.70 2.4 19.6 82 MYLD
ee 00:54:40.21 0.0X
KAPI eP 00:55:03.91 0.4 22.0 110 KAPI
ee 00:55:05.08 0.0X
LUWI eP 00:55:23.06 1.5 24.0 98 b:5.6+2 .80 6.2 LUWI
MMRI eP 00:55:36.90 0.0 25.7 116 b:1.4+2 1.2 5.4 MMRI
SOEI eP 00:55:55.54 -1.9 28.0 116 SOEI
ee 00:55:56.35 0.0X
TNTI eP 00:55:59.70 -1.2 28.4 93 TNTI
ee 00:56:02.05 0.0X
TPUB eP 00:56:09.00 -0.2 29.3 44 b:7.0+1 .90 5.4 TPUB
SSLB eP 00:56:14.25 0.3 29.9 43 b:5.5+1 .80 5.3 SSLB
YULB eP 00:56:14.90 1.1 29.8 44 b:3.4+1 .70 5.2 YULB
FAKI eP 00:56:47.40 0.2 33.6 99 b:1.1+2 1.0 5.5 FAKI
MTN eP 00:57:01.64 -0.4 35.4 117 b:8.3+1 1.3 5.3 MTN
NWAO eP 00:57:37.30 2.3 39.3 156 b:4.5+1 1.2 5.0 NWAO
WRAB eP 00:57:51.36 0.0 41.3 125 b:1.0+2 .60 5.6 WRAB
KBL eP 00:57:59.14 -0.4 42.3 322 b:3.3+1 .90 4.9 KBL
JNU eP 00:58:01.33 0.0 42.5 41 JNU
epP 00:58:37.33 depth = 0.8
AS01 eP 00:58:02.99 -1.2 42.9 130 AS01
TKM2 eP 00:58:23.06 0.0 45.3 336 TKM2
ULN eP 00:58:24.82 -0.8 45.6 8 ULN
AAK eP 00:58:25.09 0.3 45.5 335 AAK
eP 00:58:25.67 0.9
EKS2 eP 00:58:28.00 0.7 45.8 334 EKS2
MKAR eP 00:58:31.02 -0.4 46.3 344 MKAR
MAKZ eP 00:58:31.59 -0.6 46.5 344 MAKZ
COEN eP 00:58:33.47 -1.5 46.8 112 COEN
MRIV eP 00:58:34.18 -0.2 46.7 239 MRIV
UOSS eP 00:58:35.74 0.2 46.8 302 UOSS
MANU eP 00:58:49.92 1.1 48.5 95 MANU
epP 00:59:27.59 depth = 2.7
TLY eP 00:58:52.64 0.6 49.0 4 TLY
ee 00:59:30.70 0.0X
MAJO eP 00:58:55.81 0.7 49.4 42 MAJO
epP 00:59:32.22 depth = 0.9
PMG eP 00:58:55.86 0.5 49.4 105 PMG
BBOO eP 00:58:56.92 -0.2 49.7 138 BBOO
CTAO eP 00:59:11.83 0.7 51.5 118 CTAO
DAMY eP 00:59:39.50 1.2 55.2 286 DAMY
RAYN eP 00:59:41.33 -0.6 55.7 297 RAYN
EIDS ee 00:59:55.47 0.0X 57.5 122 EIDS
Generated 2010 DEC 1 at 01:02 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
