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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 10:22:48 PM (PST) on Thursday, January 10, 2019.
The magnitude 0.9 event occurred 3 km (2 miles) WNW of Cobb, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 0.9 - duration magnitude (Md)
Time Thursday, January 10, 2019 at 10:22:48 PM (PST)
Friday, January 11, 2019 at 6:22:48 (UTC)
Distance from Cobb, CA - 3 km (2 miles) WNW (291 degrees)
The Geysers, CA - 6 km (4 miles) N (3 degrees)
Middletown, CA - 15 km (9 miles) NW (306 degrees)
Lower Lake, CA - 15 km (9 miles) SW (234 degrees)
Hidden Valley Lake, CA - 17 km (11 miles) W (279 degrees)
Coordinates 38 deg. 49.9 min. N (38.831N), 122 deg. 45.2 min. W (122.753W)
Depth 1.08 km (0.7 miles)
Quality Fair
Location Quality Parameters Nst=5, Nph=5, Dmin=1.5 km, Rmss=0.01 sec, Erho=0.58 km, Erzz=1.52 km, Gp=163 degrees
Event ID# nc73131881
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