Recent Earthquakes in California and Nevada


== 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 7:02:30 AM (PDT) on Saturday, July 15, 2023.
The magnitude 0.4 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 0.4 - duration magnitude (Md)
Time Saturday, July 15, 2023 at 7:02:30 AM (PDT)
Saturday, July 15, 2023 at 14:02:30 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) NW (325 degrees)
Cobb, CA - 7 km (4 miles) W (275 degrees)
Kelseyville, CA - 17 km (11 miles) S (169 degrees)
Middletown, CA - 18 km (11 miles) WNW (297 degrees)
Cloverdale, CA - 19 km (12 miles) E (82 degrees)
Coordinates 38 deg. 49.7 min. N (38.828N), 122 deg. 48.1 min. W (122.802W)
Depth 2.6 km (1.6 miles)
Quality Excellent
Location Quality Parameters Nst=26, Nph=28, Dmin=0.8 km, Rmss=0.07 sec, Erho=0.22 km, Erzz=0.41 km, Gp=49 degrees
Event ID# nc73913276
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For more information, see https://earthquake.usgs.gov

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