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 7:48:52 AM (PDT) on Wednesday, April 22, 2026.
The magnitude 0.8 event occurred 15 km (9 miles) S of Ridgemark, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 0.8 - duration magnitude (Md)
Time Wednesday, April 22, 2026 at 7:48:52 AM (PDT)
Wednesday, April 22, 2026 at 14:48:52 (UTC)
Distance from Ridgemark, CA - 15 km (9 miles) S (178 degrees)
Chualar, CA - 19 km (12 miles) NE (50 degrees)
Hollister, CA - 19 km (12 miles) S (169 degrees)
Gonzales, CA - 20 km (13 miles) NNE (22 degrees)
San Juan Bautista, CA - 25 km (15 miles) SE (139 degrees)
Coordinates 36 deg. 40.7 min. N (36.678N), 121 deg. 21.5 min. W (121.359W)
Depth 2.19 km (1.40 miles)
Quality Excellent
Location Quality Parameters Nst=7, Nph=8, Dmin=3.5 km, Rmss=0.06 sec, Erho=0.36 km, Erzz=0.72 km, Gp=80 degrees
Event ID# nc75349557
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For more information, see https://earthquake.usgs.gov

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