Recent Earthquakes in California and Nevada


== 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 10:31:06 PM (PDT) on Tuesday, September 14, 2021.
The magnitude 0.9 event occurred 3 km (2 miles) W of Cobb, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 0.9 - duration magnitude (Md)
Time Tuesday, September 14, 2021 at 10:31:06 PM (PDT)
Wednesday, September 15, 2021 at 5:31:06 (UTC)
Distance from Cobb, CA - 3 km (2 miles) W (264 degrees)
The Geysers, CA - 5 km (3 miles) N (358 degrees)
Middletown, CA - 14 km (9 miles) WNW (301 degrees)
Lower Lake, CA - 16 km (10 miles) SW (232 degrees)
Hidden Valley Lake, CA - 17 km (11 miles) W (274 degrees)
Coordinates 38 deg. 49.1 min. N (38.819N), 122 deg. 45.5 min. W (122.759W)
Depth 1.05 km (0.7 miles)
Quality Fair
Location Quality Parameters Nst=7, Nph=7, Dmin=1.6 km, Rmss=0.02 sec, Erho=1.12 km, Erzz=1.15 km, Gp=184 degrees
Event ID# nc73625026
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