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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 1:27:52 AM (PST) on Thursday, January 10, 2019.
The magnitude 0.4 event occurred 6 km (4 miles) NNW of The Geysers, CA.
The hypocentral depth is 1 km (0.5 miles).



Magnitude 0.4 - duration magnitude (Md)
Time Thursday, January 10, 2019 at 1:27:52 AM (PST)
Thursday, January 10, 2019 at 9:27:52 (UTC)
Distance from The Geysers, CA - 6 km (4 miles) NNW (329 degrees)
Cobb, CA - 6 km (4 miles) W (269 degrees)
Middletown, CA - 17 km (11 miles) WNW (297 degrees)
Kelseyville, CA - 18 km (11 miles) SSE (166 degrees)
Lower Lake, CA - 18 km (11 miles) WSW (237 degrees)
Coordinates 38 deg. 49.3 min. N (38.821N), 122 deg. 47.4 min. W (122.790W)
Depth 0.73 km (0.5 miles)
Quality Excellent
Location Quality Parameters Nst=9, Nph=9, Dmin=1.1 km, Rmss=0.02 sec, Erho=0.28 km, Erzz=0.64 km, Gp=79 degrees
Event ID# nc73131531
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