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 9:52:26 AM (PST) on Monday, December 8, 2025.
The magnitude 2.3 event occurred 27 km (17 miles) W of Hayfork, CA.
The hypocentral depth is 27 km (17 miles).
| Magnitude | 2.3 - duration magnitude (Md) |
| Time | Monday, December 8, 2025 at 9:52:26 AM (PST) Monday, December 8, 2025 at 17:52:26 (UTC) |
| Distance from |
Hayfork, CA - 27 km (17 miles) W (272 degrees) Willow Creek, CA - 43 km (27 miles) SSE (166 degrees) Hydesville, CA - 50 km (31 miles) E (88 degrees) Rio Dell, CA - 51 km (32 miles) E (82 degrees) Weaverville, CA - 51 km (32 miles) WSW (249 degrees) |
| Coordinates | 40 deg. 33.7 min. N (40.561N), 123 deg. 30.4 min. W (123.506W) |
| Depth | 26.93 km (16.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=15, Nph=14, Dmin=23.6 km, Rmss=0.09 sec, Erho=0.74 km, Erzz=1.95000005 km, Gp=126 degrees |
| Event ID# | nc75276716 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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