Phase Data
Explanation of Parameters
20 JUL 2007 (201)
ot = 17:50:20.35 +/- 0.00 NORTHERN CALIFORNIA
lat = 38.807 +/- 0.0
lon = -122.806 +/- 0.0 MAGNITUDE 3.8 (NC)
dep = 1.3 +/- 0.0
25 km (15 miles) SW of Clearlake, California (pop 13,000)
40 km (25 miles) NNW of Santa Rosa, California (pop 147,000)
50 km (30 miles) SE of Ukiah, California (pop 15,000)
115 km (75 miles) WNW of SACRAMENTO, California (pop 407,000)
Felt at Cloverdale, Eureka, Healdsburg, Kelseyville, Middletown,
Saint Helena and The Sea Ranch.
nph = 29 of 29 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 = 3.3 ( 12) mblg = 0.0 ( 0) md = 3.9 ( 6) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
HOPS ePg 17:50:26.17 0.5 0.3 312 d:1.9+2 3.8 L:2.9+1 .53 3.2 HOPS
NSHM ePg 17:50:26.82 0.2 0.3 151 d:1.5+2 3.6 NSHM
MCCM ePg 17:50:33.83 0.7 0.7 185 d:1.5+2 3.8 L:3.3+0 .73 3.3 MCCM
KCPM ePg 17:50:41.08 0.3 1.1 326 KCPM
OHCM ePg 17:50:41.52 -1.0 1.2 62 d:1.6+2 4.0 OHCM
KIPM ePg 17:50:42.14 0.1 1.1 333 d:1.6+2 4.0 KIPM
WDC ePn 17:50:51.61 -0.6 1.8 6 d:1.8+2 4.3 L:2.1-1 1.0 2.8 WDC
CMB ePn 17:50:55.04 -0.9 2.1 111 d:1.9+2 4.5X L:3.2-1 .58 3.2 CMB
SAO ePn 17:50:57.98 -1.5 2.3 152 d:1.5+2 4.4X L:1.3-1 .60 2.9 SAO
PAHR ePn 17:51:06.66 0.2 2.8 70 d:1.7+2 4.7X L:2.1-1 .74 3.4 PAHR
KRMB ePn 17:51:07.31 0.4 2.8 343 d:1.1+2 4.3X KRMB
YBH ePn 17:51:10.00 2.0 2.9 1 d:1.4+2 4.5X L:1.2-1 1.5 3.2 YBH
MOD ePn 17:51:15.66 -2.2 3.6 31 d:1.3+2 4.8X L:7.8-2 1.2 3.4 MOD
PTRM ePn 17:51:18.74 -0.8 3.8 146 PTRM
MTUM ePn 17:51:19.90 1.8 3.6 112 d:1.9+2 5.1X MTUM
HUMO ePn 17:51:24.66 4.7 3.8 358 d:1.5+2 5.0X L:4.4-2 .80 3.1 HUMO
TPH qPn 17:51:27.39 -1.7 4.4 98 d:5.0+1 4.3X L:7.3-2 1.1 3.6 TPH
ISA ePn 17:51:32.19 0.2 4.7 131 d:2.0+2 5.6X L:7.0-2 1.0 3.6 ISA
BMN ePg 17:51:40.52 -8.1 4.6 68 d:4.5+1 4.2X L:4.0-2 1.3 3.4 BMN
TPNV ePn 17:51:44.07 0.4 5.5 108 d:1.7+2 5.7X L:4.9-2 1.2 3.7X TPNV
b:6.0+1 1.2 5.1X
GSC ePn 17:51:48.25 -1.2 5.9 124 d:8.0+1 5.2X L:1.4-2 .65 3.2X GSC
b:8.1+0 .65 4.6X
ELK ePn 17:51:54.89 2.5 6.1 69 d:9.7+1 5.5X L:1.1-2 1.1 3.1X ELK
b:1.1+1 1.1 4.6X
BMO ePn 17:52:10.50 2.3 7.3 32 d:2.4+1 4.7X L:8.2-3 1.4 3.2X BMO
b:1.3+1 1.4 5.0X
RSW qPn 17:52:12.29 -4.7 7.9 16 d:2.9+1 5.2X RSW
HAWA ePn 17:52:14.82 -2.2 8.0 17 HAWA
LNOR qPn 17:52:16.75 1.6 7.8 24 d:2.4+1 4.9X LNOR
DUG ePn 17:52:16.81 1.1 7.9 77 d:8.0+1 6.0X L:1.4-2 1.2 3.5X DUG
b:1.8+1 1.2 5.2X
MSU ePn 17:52:23.18 0.8 8.3 89 d:6.7+1 6.0X MSU
FLWY eP 17:52:59.55 7.4 10.5 56 b:2.2+1 1.4 5.4X FLWY
Generated 2007 JUL 25 at 19:56 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver