Phase Data
Explanation of Parameters
12 JUL 2007 (193)
ot = 03:53:21.00 +/- 0.00 OREGON
lat = 45.252 +/- 0.0
lon = -122.728 +/- 0.0 MAGNITUDE 2.9 (SEA)
dep = 20.3 +/- 0.0
15 km (10 miles) SW of Oregon City, Oregon (pop 14,000)
30 km (20 miles) S of Portland, Oregon (pop 529,000)
35 km (25 miles) SE of Hillsboro, Oregon (pop 37,000)
40 km (25 miles) NE of SALEM, Oregon (pop 136,000)
MD 3.3 (SEA). Felt (III) at Aurora, Beaverton, Canby, Gladstone,
Hubbard, Lake Oswego, Molalla, Mulino, Oregon City, Portland,
Sherwood, Tualatin, West Linn, Wilsonville and Woodburn; (II) at
Beaver Creek, Clackamas, Gaston, Newberg, Salem and Washougal.
Felt as far north as Woodland, as far east as Sandy, as far south
as Silverton and as far west as McMinnville.
nph = 10 of 14 se = 0.00 FE=028 held
error ellipse = ( 0.0, 0.0, 0.0; 0.0, 0.0, 0.0; 0.0, 0.0, 0.0)
mb = 0.0 ( 0) ML = 2.8 ( 8) mblg = 0.0 ( 0) md = 3.4 ( 1) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
COR iPnd 03:53:35.43 -1.4 0.8 212 d:1.2+2 3.4 L:1.0+0 .50 2.9 COR
eSn 03:53:47.30 S res = -0.6X
NLWA ePn 03:53:58.82 1.3 2.3 340 d:1.0+2 3.2X L:7.9-2 .53 2.6 NLWA
eSn 03:54:21.56 S res = -3.4X
HAWA ePn 03:54:01.44 0.8 2.5 62 d:1.4+2 3.6X L:8.4-2 .68 2.8 HAWA
eSn 03:54:35.46 S res = 4.9X
HUMO ePn 03:54:05.71 3.2 2.6 184 d:1.1+2 3.3X L:7.4-2 .53 2.8 HUMO
eSn 03:54:32.14 S res = -1.8X
MOD ePn 03:54:17.52 -0.8 3.8 151 d:1.0+2 3.2X L:2.2-2 .80 2.8 MOD
YBH ePn 03:54:18.32 3.7 3.5 180 d:1.2+2 3.4X L:1.6-2 .80 2.6 YBH
WVOR ePn 03:54:20.23 -2.2 4.1 132 d:4.1+1 2.1X L:1.3-2 .78 2.7 WVOR
WDC ePn 03:54:29.02 -1.3 4.7 178 d:2.1+1 1.3X L:6.0-3 .58 2.6 WDC
NEW ePn 03:54:32.19 -1.2 4.9 50 NEW
HLID ePn 03:54:51.20 -0.2 6.2 103 d:3.8+1 2.0X L:2.7-3 .88 2.5X HLID
b:2.0+0 .88 3.9X
Generated 2007 JUL 27 at 23:19 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
