Phase Data
Explanation of Parameters
21 APR 2009 (111)
ot = 08:11:03.09 +/- 0.00 SOUTHERN CALIFORNIA
lat = 34.181 +/- 0.0
lon = -117.066 +/- 0.0
dep = 4.6 +/- 0.0
20 km (15 miles) WSW of Big Bear City, California (pop 5,700)
25 km (15 miles) ENE of San Bernardino, California (pop 185,000)
35 km (20 miles) NNW of Banning, California (pop 23,000)
630 km (390 miles) SE of SACRAMENTO, California
ML 2.6 (PAS). Felt (II) at Highland. Also felt at Angelus Oaks.
nph = 7 of 14 se = 0.00 FE=043 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 = 2.1 ( 7) mblg = 0.0 ( 0) md = 3.4 ( 6) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
MWC ePg 08:11:18.11 -0.8 0.8 273 d:8.7+1 3.3 L:1.5-1 .38 2.1 MWC
eSg 08:11:29.22 S res = -0.4X
PASC ePg 08:11:19.71 -1.2 0.9 270 d:3.9+1 2.7 L:9.0-2 .38 2.0 PASC
eSg 08:11:31.85 S res = -1.1X
GSC ePn 08:11:23.96 -1.9 1.1 11 d:1.0+2 3.6 L:1.2-1 .50 2.2 GSC
eSg 08:11:39.34 S res = -0.4X
BAR ePn 08:11:29.57 -1.6 1.5 168 d:7.9+1 3.5 L:1.6-1 .23 2.6 BAR
eSn 08:11:49.28 S res = -2.3X
OSI ePn 08:11:29.63 -0.3 1.4 288 d:1.6+1 2.1X L:3.8-2 .40 1.9 OSI
eSn 08:11:48.78 S res = -0.4X
ISA ePn 08:11:34.43 -1.6 1.9 322 d:8.9+1 3.8 L:3.0-2 .38 2.0 ISA
eSn 08:12:01.17 S res = 1.0X
LDFC ePn 08:11:36.81 1.2 1.8 60 d:5.8+1 3.4 L:9.7-2 .65 2.5 LDFC
eSg 08:12:00.89 S res = -1.5X
Generated 2009 MAY 12 at 09:26 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
