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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 12:21:27 PM (PST) on Tuesday, February 11, 2020.
The magnitude 1.0 event occurred 4 km (3 miles) NW of Cobb, CA.
The hypocentral depth is 1 km (0.4 miles).



Magnitude 1.0 - duration magnitude (Md)
Time Tuesday, February 11, 2020 at 12:21:27 PM (PST)
Tuesday, February 11, 2020 at 20:21:27 (UTC)
Distance from Cobb, CA - 4 km (3 miles) NW (310 degrees)
The Geysers, CA - 8 km (5 miles) N (358 degrees)
Lower Lake, CA - 15 km (9 miles) WSW (241 degrees)
Middletown, CA - 16 km (10 miles) NW (310 degrees)
Kelseyville, CA - 16 km (10 miles) SSE (155 degrees)
Coordinates 38 deg. 50.7 min. N (38.846N), 122 deg. 45.6 min. W (122.759W)
Depth 0.61 km (0.4 miles)
Quality Good
Location Quality Parameters Nst=12, Nph=12, Dmin=1.5 km, Rmss=0.03 sec, Erho=0.35 km, Erzz=0.48 km, Gp=167 degrees
Event ID# nc73339765
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