Phase Data
Explanation of Parameters
16 JUL 2007 (197)
ot = 23:15:46.00 +/- 0.00 GREATER LOS ANGELES AREA, CALIF.
lat = 33.876 +/- 0.0
lon = -117.770 +/- 0.0
dep = 3.6 +/- 0.0
15 km (10 miles) NNE of Santa Ana, California (pop 337,000)
20 km (10 miles) W of Corona, California (pop 124,000)
25 km (15 miles) NNE of Irvine, California (pop 143,000)
620 km (385 miles) SE of SACRAMENTO, California
ML 2.3 (PAS). Felt (III) at Anaheim and Placentia; (II) at Yorba
Linda. Also felt at Orange.
nph = 4 of 8 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 = 1.8 ( 4) mblg = 0.0 ( 0) md = 3.1 ( 4) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
MWC eP 23:15:53.83 -0.3 0.4 326 d:5.7+1 2.8 L:1.0-1 .53 1.5 MWC
eS 23:16:00.24 S res = 0.6X
PFO eP 23:16:06.72 -0.9 1.1 103 d:5.2+1 3.0 L:3.2-2 .40 1.6 PFO
eS 23:16:21.41 S res = -0.8X
BAR ePn 23:16:12.76 -1.1 1.5 142 d:5.1+1 3.1 L:4.8-2 .28 2.1 BAR
eSn 23:16:31.49 S res = -2.5X
GSC ePn 23:16:15.42 -0.2 1.6 29 d:8.2+1 3.6 L:7.2-2 .43 2.3 GSC
eSn 23:16:37.20 S res = 0.1X
Generated 2007 JUL 23 at 05:14 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver