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 7:12:28 AM (PST) on Thursday, December 4, 2025.
The magnitude 1.2 event occurred 29 km (18 miles) NNW of Lake Nacimiento, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Thursday, December 4, 2025 at 7:12:28 AM (PST) Thursday, December 4, 2025 at 15:12:28 (UTC) |
| Distance from |
Lake Nacimiento, CA - 29 km (18 miles) NNW (339 degrees) King City, CA - 29 km (18 miles) SSE (156 degrees) San Miguel, CA - 37 km (23 miles) NW (313 degrees) Greenfield, CA - 44 km (28 miles) SSE (150 degrees) Cambria, CA - 46 km (29 miles) N (9 degrees) |
| Coordinates | 35 deg. 58.5 min. N (35.975N), 120 deg. 59.8 min. W (120.997W) |
| Depth | 9.37 km (5.80 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=9, Nph=8, Dmin=11.2 km, Rmss=0.06 sec, Erho=0.79 km, Erzz=1.09000003 km, Gp=186 degrees |
| Event ID# | nc75274331 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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