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== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California



Version #0: 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 4:22:40 PM (PDT) on Tuesday, August 13, 2019.
The magnitude 0.9 event occurred 3 km (2 miles) W of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 0.9 - duration magnitude (Md)
Time Tuesday, August 13, 2019 at 4:22:40 PM (PDT)
Tuesday, August 13, 2019 at 23:22:40 (UTC)
Distance from Cobb, CA - 3 km (2 miles) W (260 degrees)
The Geysers, CA - 4 km (3 miles) N (353 degrees)
Middletown, CA - 15 km (9 miles) WNW (299 degrees)
Lower Lake, CA - 17 km (10 miles) SW (232 degrees)
Hidden Valley Lake, CA - 18 km (11 miles) W (273 degrees)
Coordinates 38 deg. 49.0 min. N (38.817N), 122 deg. 45.7 min. W (122.762W)
Depth 2.05 km (1.3 miles)
Quality Excellent
Location Quality Parameters Nst=15, Nph=15, Dmin=0.0 km, Rmss=0.04 sec, Erho=0.27 km, Erzz=0.56 km, Gp=73 degrees
Event ID# nc73250375
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