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 6:38:39 PM (PDT) on Wednesday, April 22, 2026.
The magnitude 1.3 event occurred 3 km (2 miles) SE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.3 - duration magnitude (Md)
Time Wednesday, April 22, 2026 at 6:38:39 PM (PDT)
Thursday, April 23, 2026 at 1:38:39 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) SE (137 degrees)
Cobb, CA - 7 km (4 miles) S (187 degrees)
Middletown, CA - 10 km (6 miles) W (273 degrees)
Hidden Valley Lake, CA - 16 km (10 miles) WSW (250 degrees)
Lower Lake, CA - 20 km (12 miles) SSW (212 degrees)
Coordinates 38 deg. 45.4 min. N (38.757N), 122 deg. 44.0 min. W (122.733W)
Depth 1.63 km (1.00 miles)
Quality Good
Location Quality Parameters Nst=15, Nph=15, Dmin=0.8 km, Rmss=0.03 sec, Erho=0.31 km, Erzz=0.289999992 km, Gp=108 degrees
Event ID# nc75349922
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