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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 9:11:00 AM (PDT) on Monday, September 9, 2019.
The magnitude 0.9 event occurred 2 km (1 miles) ESE of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 0.9 - duration magnitude (Md)
Time Monday, September 9, 2019 at 9:11:00 AM (PDT)
Monday, September 9, 2019 at 16:11:00 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) ESE (118 degrees)
Cobb, CA - 6 km (4 miles) SSW (193 degrees)
Middletown, CA - 11 km (7 miles) W (280 degrees)
Hidden Valley Lake, CA - 16 km (10 miles) WSW (255 degrees)
Lower Lake, CA - 19 km (12 miles) SW (216 degrees)
Coordinates 38 deg. 46.2 min. N (38.770N), 122 deg. 44.3 min. W (122.739W)
Depth 1.22 km (0.8 miles)
Quality Good
Location Quality Parameters Nst=15, Nph=15, Dmin=1.5 km, Rmss=0.04 sec, Erho=0.29 km, Erzz=0.37 km, Gp=94 degrees
Event ID# nc73268055
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