8 JUL 2007 (189)
ot = 20:49:04.59 +/- 0.40 NIAS REGION, INDONESIA
lat = 0.132 +/- 6.4
lon = 97.047 +/- 6.2 MAGNITUDE 4.4 (GS)
dep = 35.0 (geophysicist)
260 km (160 miles) SW of Sibolga, Sumatra, Indonesia
385 km (240 miles) WNW of Padang, Sumatra, Indonesia
615 km (380 miles) WSW of KUALA LUMPUR, Malaysia
1275 km (790 miles) WNW of JAKARTA, Java, Indonesia
Felt (III) at Gunung Sitoli.
nph = 27 of 28 se = 0.82 FE=706 A
error ellipse = (222.7, 0.0, 9.6;132.7, 0.0, 6.7; 0.0, 0.0, 0.0)
mb = 4.4 ( 13) ML = 0.0 ( 0) mblg = 3.3 ( 1) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
KULM ePn 20:50:32.91 -1.6 6.3 35 d:1.3+2 5.8X KULM
KSM qPn 20:52:11.68 0.3 13.3 84 KSM
PALK ePn 20:53:07.37 -2.1 17.8 294 b:5.3+1 1.4 4.5 PALK
CM31 ePn 20:53:15.52 -0.4 18.3 6 b:7.9+0 .70 4.0 CM31
CHTO eP 20:53:19.73 0.1 18.7 6 g:6.7-3 .95 3.3 b:6.7+0 .95 3.8 CHTO
QIZ eP 20:54:02.68 0.5 22.6 33 b:1.2+1 .88 4.4 QIZ
LSA eP 20:55:10.87 0.8 29.9 350 b:2.8+0 .67 4.2 LSA
MBWA qP 20:55:17.12 1.3 30.6 135 MBWA
ENH qP 20:55:30.14 0.4 32.2 20 ENH
FITZ eP 20:55:41.04 0.5 33.4 124 b:6.2+0 .74 4.6 FITZ
NACB eP 20:55:42.95 0.1 33.7 43 NACB
WB2 eP 20:56:48.52 -1.2 41.6 121 WB2
WRAB eP 20:56:48.54 -1.2 41.6 121 b:2.5+0 .55 4.2 WRAB
UCH qP 20:57:29.59 0.0 46.6 337 UCH
TKM2 qP 20:57:31.51 0.8 46.7 338 b:1.0+1 1.4 4.6 TKM2
AML eP 20:57:32.07 0.7 46.8 336 b:2.2+1 1.6 4.9 AML
EKS2 eP 20:57:34.65 0.4 47.2 337 b:2.1+0 .52 4.4 EKS2
STKA qP 20:58:16.18 -0.2 52.8 131 STKA
KURK eP 20:58:16.20 0.1 52.8 345 b:3.2+1 3.1 4.8X KURK
ZAA0 eP 20:58:29.95 0.6 54.6 351 ZAA0
BRVK eP 20:58:48.37 -0.2 57.3 341 b:1.5+0 .61 4.2 BRVK
KMBO qP 20:59:08.04 0.7 59.8 269 KMBO
YSS qP 20:59:16.75 0.1 61.3 34 YSS
ARU eP 20:59:34.71 -0.3 64.1 337 b:5.2+0 1.1 4.5 ARU
MALT eP 20:59:46.37 0.2 65.7 313 b:6.7+0 1.3 4.6 MALT
ePcP 21:00:17.72 0.4X
MA2 qP 21:00:26.66 -0.1 72.4 26 MA2
JCT qPKP 21:08:39.79 -0.2 145.6 26 JCT
Generated 2007 JUL 18 at 23:41 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver