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== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California



Version #1: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 2:20:19 AM (PDT) on Sunday, May 4, 2008.
The magnitude 1.4 event occurred 11 km (7 miles) ENE (57 degrees) of Lake Arrowhead, CA.
The hypocentral depth is 9 km ( 6 miles).



Magnitude 1.4 - local magnitude (Ml)
Time Sunday, May 4, 2008 at 2:20:19 AM (PDT)
Sunday, May 4, 2008 at 9:20:19 (UTC)
Distance from Lake Arrowhead, CA - 11 km (7 miles) ENE (57 degrees)
Running Springs, CA - 11 km (7 miles) N (8 degrees)
town of Big Bear Lake, CA - 18 km (11 miles) WNW (293 degrees)
San Bernardino, CA - 29 km (18 miles) NE (41 degrees)
Coordinates 34 deg. 18.2 min. N (34.304N), 117 deg. 5.2 min. W (117.086W)
Depth 8.8 km (5.5 miles)
Quality Good
Location Quality Parameters Nst=060, Nph=060, Dmin=9 km, Rmss=0.23 sec, Erho=0.2 km, Erzz=1 km, Gp=39.6 degrees
Event ID# ci14366192
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