Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A minor earthquake occurred at 3:32:28 PM (PST) on Monday, December 22, 2025.
The magnitude 3.3 event occurred 19 km (12 miles) SSE of Ridgemark, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 3.3 - local magnitude (Ml) |
| Time | Monday, December 22, 2025 at 3:32:28 PM (PST) Monday, December 22, 2025 at 23:32:28 (UTC) |
| Distance from |
Ridgemark, CA - 19 km (12 miles) SSE (161 degrees) Gonzales, CA - 21 km (13 miles) NE (40 degrees) Chualar, CA - 22 km (13 miles) ENE (66 degrees) Hollister, CA - 24 km (15 miles) SSE (158 degrees) Soledad, CA - 25 km (16 miles) N (6 degrees) |
| Coordinates | 36 deg. 39.0 min. N (36.650N), 121 deg. 17.8 min. W (121.297W) |
| Depth | 5.36 km (3.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=80, Nph=87, Dmin=4.6 km, Rmss=0.23 sec, Erho=0.22 km, Erzz=0.75 km, Gp=27 degrees |
| Event ID# | nc75284991 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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