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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 6:38:12 AM (PST) on Thursday, February 13, 2020.
The magnitude 1.0 event occurred 6 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 1.0 - duration magnitude (Md)
Time Thursday, February 13, 2020 at 6:38:12 AM (PST)
Thursday, February 13, 2020 at 14:38:12 (UTC)
Distance from The Geysers, CA - 6 km (4 miles) NW (322 degrees)
Cobb, CA - 7 km (4 miles) W (268 degrees)
Kelseyville, CA - 18 km (11 miles) S (169 degrees)
Middletown, CA - 18 km (11 miles) WNW (295 degrees)
Cloverdale, CA - 19 km (12 miles) E (85 degrees)
Coordinates 38 deg. 49.2 min. N (38.820N), 122 deg. 47.9 min. W (122.799W)
Depth 2.54 km (1.6 miles)
Quality Excellent
Location Quality Parameters Nst=43, Nph=46, Dmin=1.1 km, Rmss=0.03 sec, Erho=0.17 km, Erzz=0.28 km, Gp=30 degrees
Event ID# nc73340595
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