Phase Data
Explanation of Parameters
18 JUL 2007 (199)
ot = 01:34:58.00 +/- 0.00 NORTHERN CALIFORNIA
lat = 38.765 +/- 0.0
lon = -122.723 +/- 0.0
dep = 2.5 +/- 0.0
25 km (15 miles) SSW of Clearlake, California (pop 13,000)
35 km (20 miles) N of Santa Rosa, California (pop 147,000)
60 km (35 miles) N of Petaluma, California (pop 54,000)
110 km (70 miles) W of SACRAMENTO, California (pop 407,000)
MD 2.8 (NC).
nph = 9 of 14 se = 0.00 FE=036 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 = 1.9 ( 4) mblg = 0.0 ( 0) md = 3.0 ( 7) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
NSHM eP 01:35:03.34 0.3 0.3 160 d:8.7+1 3.1 NSHM
qS 01:35:10.87 S res = 4.5X
HOPS eP 01:35:05.57 0.7 0.4 310 d:8.8+1 3.2 L:4.5-1 .48 1.9 HOPS
eS 01:35:10.95 S res = 1.5X
MCCM eP 01:35:10.86 0.7 0.6 191 d:6.4+1 3.0 L:2.0-1 .45 2.1 MCCM
eS 01:35:17.98 S res = -0.5X
KCPM eP 01:35:20.98 1.2 1.1 324 d:4.1+1 2.8 KCPM
KIPM eP 01:35:21.23 0.3 1.2 331 d:5.2+1 3.0 KIPM
WDC ePn 01:35:30.36 0.1 1.8 4 d:2.3+1 2.6 L:6.2-3 .70 1.3 WDC
CMB ePn 01:35:31.64 -0.8 2.0 111 d:8.8+1 3.8 L:2.5-2 .63 2.0 CMB
eSn 01:35:57.25 S res = -0.5X
MTUM ePn 01:35:57.06 2.5 3.6 112 MTUM
qSn 01:36:37.02 S res = -0.4X
LDFC qPn 01:36:44.07 0.8 7.1 119 d:1.7+1 4.4X L:2.5-2 .38 3.6X LDFC
b:1.2+1 .38 5.5X
Generated 2007 JUL 23 at 05:13 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
