19 APR 2009 (109)
ot = 11:10:00.77 +/- 0.82 NORTHERN SUMATRA, INDONESIA
lat = 2.839 +/- 5.1
lon = 99.128 +/- 5.7 MAGNITUDE 5.0 (GS)
dep = 180.0 +/- 7.5
100 km (60 miles) SSE of Medan, Sumatra, Indonesia (pop 1,909,000)
130 km (80 miles) NNE of Sibolga, Sumatra, Indonesia (pop 71,000)
290 km (180 miles) W of KUALA LUMPUR, Malaysia
1305 km (810 miles) NW of JAKARTA, Java, Indonesia
nph = 83 of 86 se = 0.97 FE=706 A
error ellipse = ( 53.0, 50.0, 13.8;217.3, 38.9, 6.9;313.6, 7.8, 5.4)
mb = 4.9 ( 57) 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
IPM ePn 11:10:43.50 -0.8 2.6 48 L:3.9+0 1.6 4.5X IPM
eSn 11:11:17.71 S res = -0.4X
KULM ePn 11:10:46.35 -1.5 2.9 32 L:7.8-1 1.0 4.0X KULM
KSM ePn 11:12:39.05 2.3 11.3 97 KSM
COCO eP 11:13:29.40 4.2X 15.1 189 g:3.5-1 1.2 4.7X b:3.5+2 1.2 5.6 COCO
CM31 eP 11:13:31.75 1.4 15.5 359 g:2.1-1 1.0 4.6X b:2.1+2 1.0 5.5 CM31
UGM ePn 11:13:32.42 1.1 15.6 133 b:2.3+2 1.1 5.5 UGM
CHTO eP 11:13:35.82 1.2 15.9 359 b:8.0+1 .80 5.2 CHTO
KKM eP 11:13:52.68 1.8 17.3 79 b:1.6+2 .80 5.5 KKM
KAPI eP 11:14:40.96 -0.3 22.0 111 b:3.9+2 1.0 5.8 KAPI
SSLB eP 11:15:50.13 0.5 29.6 44 b:2.0+1 .89 4.8 SSLB
MBWA eP 11:16:03.06 -0.6 31.2 141 b:1.2+1 .90 4.6 MBWA
FITZ eP 11:16:21.03 -1.4 33.4 130 b:2.8+1 .68 5.1 FITZ
NWAO eP 11:17:13.69 -0.1 39.5 156 b:3.3+1 .90 5.0 NWAO
WRAB eP 11:17:28.31 -0.9 41.3 125 b:7.1+1 .75 5.3 WRAB
KBL eP 11:17:36.64 0.6 42.2 322 b:2.0+2 2.5 5.2 KBL
AS31 eP 11:17:41.24 -0.6 42.9 130 AS31
FORT eP 11:17:44.44 -0.8 43.3 143 b:9.7+1 .60 5.5 FORT
TKM2 eP 11:17:59.31 0.1 45.1 336 b:8.8+1 1.3 5.1 TKM2
AAK eP 11:18:01.40 0.4 45.3 334 b:3.6+1 1.0 4.8 AAK
ULN eP 11:18:01.42 0.1 45.4 7 b:8.1+0 1.0 4.2 ULN
EKS2 eP 11:18:04.47 0.9 45.7 334 b:4.3+1 .85 5.0 EKS2
MK31 eP 11:18:06.94 -0.4 46.2 344 MK31
MKAR eP 11:18:07.07 -0.3 46.2 344 MKAR
COEN eP 11:18:11.98 -0.4 46.8 112 b:1.4+2 .70 5.6 COEN
KKAR eP 11:18:17.46 -0.3 47.5 332 b:5.2+0 .43 4.4 KKAR
RER eP 11:18:29.38 1.9 48.7 239 b:7.2+1 .89 5.2 RER
MAJO eP 11:18:31.07 0.3 49.2 42 b:1.2+1 1.1 4.3 MAJO
PMG eP 11:18:32.38 -0.2 49.4 105 b:1.3+2 .97 5.5 PMG
BBOO eP 11:18:33.74 -1.5 49.8 138 b:1.8+2 .85 5.7 BBOO
KURK eP 11:18:41.81 -0.4 50.8 343 b:2.1+1 .90 4.7 KURK
CTAO eP 11:18:48.74 0.0 51.5 118 b:1.5+1 .90 4.6 CTAO
ZAA0 eP 11:18:53.43 -0.1 52.3 349 ZAA0
STKA eP 11:18:58.72 -1.0 53.1 134 b:8.9+0 .70 4.6 STKA
BRVK eP 11:19:15.56 -0.9 55.4 339 b:2.1+1 .80 5.0 BRVK
ABPO eP 11:19:18.20 1.1 55.4 245 b:1.2+1 .88 4.7 ABPO
ASAJ eP 11:19:22.35 0.3 56.2 37 b:1.3+1 1.5 4.5 ASAJ
ABKAReP 11:19:26.70 -1.0 57.0 330 b:1.5+1 .58 5.0 ABKA
EIDS eP 11:19:32.47 0.3 57.6 122 b:1.1+1 .60 4.8 EIDS
CAN eP 11:19:48.46 -1.1 60.1 134 b:2.4+1 .75 5.1 CAN
GNI eP 11:19:58.38 -0.4 61.5 315 b:2.5+1 .95 5.0 GNI
KMBO eP 11:20:03.10 0.5 62.0 267 b:8.9+0 .80 4.7 KMBO
MALT eP 11:20:25.11 0.1 65.5 311 b:2.4+1 1.1 4.9 MALT
CSS eP 11:20:44.74 0.0 68.6 306 b:1.5+1 .68 4.9 CSS
BR131eP 11:20:48.55 -1.4 69.5 311 b:1.3+1 .70 4.8 BR13
CASY eP 11:20:50.24 1.2 69.4 175 b:2.4+1 .72 5.1 CASY
ANTO eP 11:20:53.48 -0.4 70.1 311 b:2.0+1 .90 4.9 ANTO
ISP eP 11:21:01.89 0.0 71.4 309 b:1.2+1 .60 4.8 ISP
LSZ eP 11:21:08.44 0.2 72.4 253 b:1.1+1 .75 4.7 LSZ
AK01 eP 11:21:21.62 -1.6 75.2 322 AK01
AK02 eP 11:21:21.65 -1.6 75.2 322 AK02
KIEV eP 11:21:22.06 -1.2 75.2 322 b:1.4+1 .75 4.8 KIEV
IDI eP 11:21:25.31 -0.4 75.5 306 b:2.1+1 .82 4.9 IDI
LBTB eP 11:21:31.17 0.6 76.3 244 b:2.1+1 .84 4.9 LBTB
BUR08eP 11:21:34.66 0.2 77.1 318 BUR0
BOSA eP 11:21:35.59 -0.2 77.3 240 b:1.4+1 .68 4.8 BOSA
RPZ eP 11:21:44.61 -0.2 79.0 135 b:2.4+1 .68 5.0 RPZ
SUW eP 11:21:46.52 -0.6 79.5 324 b:7.2+1 1.0 5.4 SUW
PSZ eP 11:21:54.06 0.2 80.7 318 b:2.8+1 1.5 4.8 PSZ
OJC eP 11:21:55.40 0.0 81.0 320 OJC
URZ eP 11:22:01.85 -0.8 82.3 129 b:3.0+1 1.0 5.0 URZ
MORC eP 11:22:02.77 -0.1 82.4 320 b:7.1+0 .81 4.5 MORC
DPC eP 11:22:07.42 0.3 83.2 320 DPC
KHC eP 11:22:15.73 -0.1 85.0 319 b:4.1+0 .90 4.2 KHC
GAMB eP 11:22:23.01 -2.9 87.1 26 b:9.4+0 1.1 4.6 GAMB
BFO eP 11:22:32.62 0.0 88.4 318 b:4.2+0 .85 4.4 BFO
KEST eP 11:22:33.01 1.2 88.2 306 KEST
TNA eP 11:22:34.45 1.2 88.7 25 b:5.7+0 1.1 4.4 TNA
BNI eP 11:22:38.00 -1.0 89.7 315 b:8.7+0 .88 4.7 BNI
SSB eP 11:22:45.63 -0.2 91.2 315 b:1.4+1 .90 5.0 SSB
QSPA eP 11:22:52.56 0.1 92.8 180 b:6.6+0 .46 5.1 QSPA
NEW ePKPdf 11:28:30.39 0.0 120.1 27 NEW
BSMT ePKPdf 11:28:32.74 -0.5 121.5 26 BSMT
SWMT ePKPdf 11:28:33.55 -0.7 122.1 26 SWMT
MOD ePKPdf 11:28:36.70 0.6 122.9 34 MOD
DLMT ePKPdf 11:28:39.31 0.6 124.3 27 DLMT
BOZ ePKPdf 11:28:39.40 0.3 124.5 26 BOZ
MCMT ePKPdf 11:28:39.84 0.4 124.6 27 MCMT
LKWY ePKPdf 11:28:43.97 2.0 125.9 26 LKWY
DUG ePKPdf 11:28:47.37 1.2 128.1 31 DUG
RSSD ePKPdf 11:28:47.52 0.0 128.8 21 RSSD
SRU ePKPdf 11:28:50.73 0.7 130.1 30 SRU
MSU ePKPdf 11:28:52.05 2.7 129.7 32 MSU
ECSD ePKPdf 11:28:52.17 -0.1 131.5 15 ECSD
eSKPbc 11:32:00.69 -0.3X
LPAZ ePKPdf 11:29:42.41 0.4 161.7 222 LPAZ
Generated 2009 APR 20 at 12:37 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
