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 2:52:17 PM (PST) on Sunday, December 21, 2025.
The magnitude 1.8 event occurred 22 km (14 miles) NE (47 degrees) of Soledad, CA.
The hypocentral depth is 9 km ( 5 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Sunday, December 21, 2025 at 2:52:17 PM (PST) Sunday, December 21, 2025 at 22:52:17 (UTC) |
| Distance from |
Soledad, CA - 22 km (14 miles) NE (47 degrees) Gonzales, CA - 28 km (17 miles) ENE (78 degrees) Greenfield, CA - 28 km (17 miles) NNE (19 degrees) Chualar, CA - 34 km (21 miles) E (92 degrees) Ridgemark, CA - 34 km (21 miles) SE (145 degrees) |
| Coordinates | 36 deg. 33.6 min. N (36.560N), 121 deg. 8.6 min. W (121.143W) |
| Depth | 8.61 km (5.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=20, Nph=20, Dmin=4.0 km, Rmss=0.16 sec, Erho=0.44 km, Erzz=1.25 km, Gp=69 degrees |
| Event ID# | nc75284401 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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