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 6:56:59 AM (PDT) on Tuesday, July 18, 2023.
The magnitude 0.8 event occurred 2 km (2 miles) NE (45 degrees) of The Geysers, CA.
The hypocentral depth is 0.16 km (0.1 miles).


Magnitude 0.8 - duration magnitude (Md)
Time Tuesday, July 18, 2023 at 6:56:59 AM (PDT)
Tuesday, July 18, 2023 at 13:56:59 (UTC)
Distance from The Geysers, CA - 2 km (2 miles) NE (45 degrees)
Cobb, CA - 3 km (2 miles) SSW (199 degrees)
Middletown, CA - 11 km (7 miles) WNW (293 degrees)
Hidden Valley Lake, CA - 16 km (10 miles) W (264 degrees)
Lower Lake, CA - 17 km (11 miles) SW (220 degrees)
Coordinates 38 deg. 47.6 min. N (38.793N), 122 deg. 44.2 min. W (122.736W)
Depth 0.16 km (0.1 miles)
Quality Good
Location Quality Parameters Nst=8, Nph=8, Dmin=1.1 km, Rmss=0.01 sec, Erho=0.28 km, Erzz=2.13 km, Gp=96 degrees
Event ID# nc73914286
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