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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 10:00:17 PM (PDT) on Sunday, September 8, 2019.
The magnitude 0.6 event occurred 5 km (3 miles) NW of The Geysers, CA.
The hypocentral depth is 4 km ( 2 miles).



Magnitude 0.6 - duration magnitude (Md)
Time Sunday, September 8, 2019 at 10:00:17 PM (PDT)
Monday, September 9, 2019 at 5:00:17 (UTC)
Distance from The Geysers, CA - 5 km (3 miles) NW (321 degrees)
Cobb, CA - 6 km (4 miles) W (262 degrees)
Middletown, CA - 17 km (11 miles) WNW (294 degrees)
Cloverdale, CA - 19 km (12 miles) E (87 degrees)
Kelseyville, CA - 19 km (12 miles) SSE (168 degrees)
Coordinates 38 deg. 48.9 min. N (38.814N), 122 deg. 47.7 min. W (122.795W)
Depth 3.85 km (2.4 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=0.7 km, Rmss=0.03 sec, Erho=0.63 km, Erzz=2 km, Gp=102 degrees
Event ID# nc73267860
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