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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 7:29:51 PM (PST) on Wednesday, February 12, 2020.
The magnitude 2.1 event occurred 3 km (2 miles) SE of The Geysers, CA.
The hypocentral depth is 1 km (0.5 miles).



Magnitude 2.1 - (unknown type)
Time Wednesday, February 12, 2020 at 7:29:51 PM (PST)
Thursday, February 13, 2020 at 3:29:51 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) SE (129 degrees)
Cobb, CA - 7 km (4 miles) S (183 degrees)
Middletown, CA - 10 km (6 miles) W (274 degrees)
Hidden Valley Lake, CA - 16 km (10 miles) WSW (250 degrees)
Lower Lake, CA - 20 km (12 miles) SSW (211 degrees)
Coordinates 38 deg. 45.5 min. N (38.759N), 122 deg. 43.6 min. W (122.727W)
Depth 0.83 km (0.5 miles)
Quality Good
Location Quality Parameters Nst=7, Nph=8, Dmin=0.3 km, Rmss=0.02 sec, Erho=0.36 km, Erzz=0.73 km, Gp=100 degrees
Event ID# nc73340370
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