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 8:37:48 PM (PST) on Tuesday, December 2, 2025.
The magnitude 1.3 event occurred 30 km (18 miles) S of Rio Dell, CA.
The hypocentral depth is 12 km ( 8 miles).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Tuesday, December 2, 2025 at 8:37:48 PM (PST) Wednesday, December 3, 2025 at 4:37:48 (UTC) |
| Distance from |
Rio Dell, CA - 30 km (18 miles) S (189 degrees) Redway, CA - 31 km (19 miles) WNW (294 degrees) Hydesville, CA - 35 km (22 miles) S (189 degrees) Ferndale, CA - 39 km (24 miles) SSE (167 degrees) Fortuna, CA - 40 km (25 miles) S (180 degrees) |
| Coordinates | 40 deg. 14.2 min. N (40.236N), 124 deg. 9.5 min. W (124.159W) |
| Depth | 12.28 km (7.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=1.8 km, Rmss=0.07 sec, Erho=0.68 km, Erzz=1.36000001 km, Gp=117 degrees |
| Event ID# | nc75273496 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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