Phase Data
15 JUL 2007 (196)
ot = 05:27:12.05 +/- 0.78 NIAS REGION, INDONESIA
lat = 0.933 +/- 11.8
lon = 97.606 +/- 19.4
dep = 24.0 (depth phases)
155 km (100 miles) WSW of Sibolga, Sumatra, Indonesia (pop 71,000)
315 km (195 miles) SSW of Medan, Sumatra, Indonesia
515 km (320 miles) WSW of KUALA LUMPUR, Malaysia
1275 km (800 miles) NW of JAKARTA, Java, Indonesia
nph = 13 of 17 se = 0.87 FE=706 B
error ellipse = ( 63.7, 0.0, 28.2;153.7, 0.0, 10.3; 0.0, 0.0, 0.0)
mb = 4.2 ( 3) 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
CMAR P 05:31:14.55 0.3 17.5 4 CMAR
CHTO eP 05:31:17.21 -1.4 17.8 4 b:1.9+0 .45 3.5 CHTO
FITZ P 05:33:49.29 -0.1 33.4 126 FITZ
WRA P 05:34:58.18 0.1 41.6 122 WRA
pP 05:35:05.18 depth = 23.5
BJT eP 05:35:05.19 0.4 42.4 21 b:1.2+1 .56 4.8 BJT
ASAR P 05:35:09.75 0.5 42.9 127 ASAR
pP 05:35:16.85 depth = 23.7
SONM P 05:35:44.98 0.9 47.3 8 SONM
pP 05:35:52.34 depth = 24.5
MK31 eP 05:35:46.42 0.4 47.6 346 MK31
MKAR P 05:35:46.63 0.6 47.6 346 MKAR
pP 05:35:53.83 depth = 24.1
BRVK eP 05:36:53.29 -0.2 56.7 341 b:1.7+0 .76 4.2 BRVK
ARCESP 05:39:34.85 0.3 82.9 340 ARCE
GERESP 05:39:47.29 0.1 85.3 319 GERE
TXAR PKP 05:46:44.06 -1.9 143.7 32 TXAR
Generated 2007 JUL 29 at 00:01 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
