19 MAR 2009 ( 78)
ot = 02:32:42.64 +/- 0.41 NIAS REGION, INDONESIA
lat = 1.677 +/- 6.7
lon = 96.954 +/- 6.1 MAGNITUDE 4.7 (GS)
dep = 35.0 (geophysicist)
205 km (125 miles) W of Sibolga, Sumatra, Indonesia
280 km (175 miles) SW of Medan, Sumatra, Indonesia
550 km (340 miles) WSW of KUALA LUMPUR, Malaysia
1395 km (860 miles) NW of JAKARTA, Java, Indonesia
nph = 25 of 29 se = 0.65 FE=705 A
error ellipse = (217.4, 0.0, 9.8;127.4, 0.0, 6.8; 0.0, 0.0, 0.0)
mb = 4.5 ( 19) ML = 3.8 ( 2) mblg = 3.2 ( 2) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
IPM ePn 02:33:55.05 0.0 5.0 55 L:9.0-2 .50 3.8 g:6.0-2 1.1 3.2 IPM
KULM ePn 02:33:57.50 0.2 5.1 46 L:1.0-1 1.0 3.9 g:4.0-2 .75 3.2 KULM
KKM eP 02:37:09.28 0.0 19.7 77 b:1.3+1 .90 4.2 KKM
KAPI eP 02:37:50.98 -0.9 23.7 106 b:1.4+1 1.0 4.4 KAPI
ENH eP 02:38:54.46 -1.0 30.8 21 b:1.4+1 .48 5.0 ENH
MBWA eP 02:39:05.26 1.1 31.8 137 b:4.3+0 .80 4.4 MBWA
BJT eP 02:40:31.06 0.8 42.0 22 b:2.4+1 .75 5.1 BJT
epP 02:40:39.17 depth = 27.2X
WRAB eP 02:40:34.02 -0.9 42.5 122 b:4.2+0 .65 4.3 WRAB
FORT eP 02:40:45.89 0.6 43.8 140 b:1.1+1 .58 4.8 FORT
TKM2 eP 02:40:56.98 -0.3 45.3 338 b:8.4+0 1.1 4.5 TKM2
AAK eP 02:40:59.06 0.4 45.5 337 b:4.5+1 1.4 5.2 AAK
EKS2 eP 02:41:02.20 1.2 45.8 336 b:4.4+0 .75 4.5 EKS2
MK31 eP 02:41:08.27 0.0 46.7 346 MK31
ULN eP 02:41:09.47 0.2 46.8 9 b:8.2+0 1.1 4.6 ULN
TLY eP 02:41:35.28 0.8 50.1 5 b:5.4+0 .70 4.7 TLY
HIA eP 02:41:42.97 -0.1 51.3 19 b:7.3+0 .80 4.7 HIA
KURK eP 02:41:43.25 0.3 51.3 345 b:1.2+1 1.3 4.7 KURK
epP 02:41:52.09 depth = 29.4X
ZAA0 eP 02:41:56.11 -0.1 53.1 351 ZAA0
epP 02:42:05.16 depth = 29.7X
BRVK eP 02:42:15.57 -0.5 55.8 341 b:8.3+0 1.4 4.6 BRVK
ABKAReP 02:42:24.07 -0.6 57.0 332 b:3.7+0 .68 4.5 ABKA
epP 02:42:32.63 depth = 27.9X
YAK eP 02:43:18.60 -0.5 65.0 16 YAK
BR131eP 02:43:41.44 -1.1 68.6 312 b:6.6-1 .57 3.9 BR13
BUR08eP 02:44:29.62 0.2 76.5 319 BUR0
PSZ eP 02:44:49.16 0.1 80.1 318 b:2.2+0 .74 4.2 PSZ
MORC eP 02:44:58.60 0.0 81.9 320 b:4.6+0 1.1 4.4 MORC
Generated 2009 MAR 19 at 04:50 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver