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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 4:01:38 PM (PDT) on Tuesday, July 28, 2020.
The magnitude 0.2 event occurred 8 km (5 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 0.2 - duration magnitude (Md)
Time Tuesday, July 28, 2020 at 4:01:38 PM (PDT)
Tuesday, July 28, 2020 at 23:01:38 (UTC)
Distance from The Geysers, CA - 8 km (5 miles) NW (323 degrees)
Cobb, CA - 8 km (5 miles) W (278 degrees)
Kelseyville, CA - 16 km (10 miles) S (171 degrees)
Cloverdale, CA - 18 km (11 miles) E (81 degrees)
Soda Bay, CA - 19 km (12 miles) S (185 degrees)
Coordinates 38 deg. 49.9 min. N (38.831N), 122 deg. 48.6 min. W (122.809W)
Depth 1.82 km (1.1 miles)
Quality Excellent
Location Quality Parameters Nst=23, Nph=25, Dmin=0.9 km, Rmss=0.03 sec, Erho=0.17 km, Erzz=0.42 km, Gp=43 degrees
Event ID# nc73435031
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