10 JUL 2007 (191)
ot = 13:45:03.96 +/- 2.35 BOUGAINVILLE REGION, P.N.G.
lat = -6.746 +/- 12.9
lon = 154.544 +/- 11.9 MAGNITUDE 4.9 (GS)
dep = 48.3 +/- 23.9
125 km (80 miles) WSW of Arawa, Bougainville, PNG (pop 12,000)
230 km (145 miles) W of Chirovanga, Choiseul, Solomon Islands
870 km (540 miles) ENE of PORT MORESBY, Papua New Guinea
2295 km (1430 miles) N of BRISBANE, Queensland, Australia
nph = 18 of 21 se = 1.11 FE=193 B
error ellipse = (142.8, 60.5, 41.7;278.5, 22.1, 14.3; 16.3, 18.6, 12.2)
mb = 4.9 ( 10) ML = 0.0 ( 0) mblg = 4.6 ( 1) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
HNR ePn 13:46:29.64 -0.3 6.0 117 d:2.2+2 6.2X L:1.1+0 .95 5.1X HNR
eSn 13:47:34.92 S res = -2.2X g:1.0+0 1.0 4.6 b:3.1+2 .75 5.8X
CTAO ePn 13:48:40.68 1.1 15.5 210 b:1.9+2 1.8 5.0 CTAO
EIDS eP 13:49:19.89 0.2 18.8 190 EIDS
WRAB eP 13:50:10.43 -0.1 23.6 234 WRAB
WB2 eP 13:50:10.56 0.0 23.6 234 WB2
STKA eP 13:50:47.41 -1.0 27.8 204 STKA
FITZ eP 13:51:10.88 -0.5 30.3 245 b:1.9+1 .90 4.8 FITZ
FORT eP 13:51:46.58 -0.7 34.5 223 b:7.5+0 .80 4.7 FORT
KAPI eP 13:51:48.55 -0.6 34.6 271 KAPI
TAU eP 13:52:06.00 0.8 36.6 189 TAU
CHTO eP 13:55:08.52 -0.3 60.4 296 b:1.9+1 1.2 5.1 CHTO
BILL P 13:56:40.04 -0.2 75.1 5 b:1.4+1 .75 5.0 BILL
MCK P 13:57:16.82 -1.7 82.0 22 b:1.3+1 1.0 4.9 MCK
e 13:57:33.52 depth = 59.5X
MAW P 13:57:30.65 -0.5 84.5 203 b:1.6+1 1.2 5.0 MAW
EGAK P 13:57:35.44 -0.8 85.5 23 b:4.9+0 .93 4.7 EGAK
TKM2 eP 13:57:44.52 2.3 86.5 314 b:4.2+0 .53 4.9 TKM2
AML P 13:57:48.80 0.4 87.7 313 b:4.1+0 .75 4.7 AML
e 13:58:04.20 depth = 53.1X
NLWA 13:57:56.92 2.0 89.2 42 NLWA
Generated 2007 JUL 10 at 14:06 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver