Phase Data
Explanation of Parameters
23 JUL 2007 (204)
ot = 17:29:26.00 +/- 0.00 SOUTHERN CALIFORNIA
lat = 32.702 +/- 0.0
lon = -116.072 +/- 0.0
dep = 8.6 +/- 0.0
50 km (30 miles) WSW of El Centro, California (pop 37,000)
55 km (35 miles) ENE of Tecate, Baja California, Mexico (pop 52,000)
55 km (35 miles) W of Mexicali, Baja California, Mexico (pop 549,000)
810 km (510 miles) SE of SACRAMENTO, California
ML 2.8 (PAS).
nph = 5 of 8 se = 0.00 FE=045 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 = 2.2 ( 4) mblg = 0.0 ( 0) md = 3.5 ( 3) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
BAR ePg 17:29:36.09 0.3 0.5 268 d:1.0+2 3.3 L:5.9-1 .33 2.5 BAR
eSg 17:29:42.72 S res = 0.2X
PFO ePg 17:29:43.62 -0.9 1.0 341 d:9.4+1 3.4 L:6.7-2 .65 1.9 PFO
eSg 17:29:56.01 S res = -1.0X
GLA iPgc 17:29:45.28 -1.9 1.1 71 d:1.1+2 3.6 L:2.0-1 .43 2.4 GLA
eSg 17:29:59.36 S res = -2.2X
MWC ePn 17:30:04.52 0.9 2.2 313 d:1.5+1 2.4X L:1.4-2 .43 1.9 MWC
ISA qPn 17:30:20.35 -1.2 3.6 327 ISA
Generated 2007 JUL 24 at 13:39 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver