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 10:40:51 AM (PST) on Saturday, December 13, 2025.
The magnitude 1.6 event occurred 30 km (18 miles) SW of Rio Dell, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Saturday, December 13, 2025 at 10:40:51 AM (PST) Saturday, December 13, 2025 at 18:40:51 (UTC) |
| Distance from |
Rio Dell, CA - 30 km (18 miles) SW (215 degrees) Ferndale, CA - 33 km (21 miles) S (186 degrees) Hydesville, CA - 34 km (21 miles) SSW (211 degrees) Fortuna, CA - 37 km (23 miles) SSW (199 degrees) Redway, CA - 45 km (28 miles) WNW (294 degrees) |
| Coordinates | 40 deg. 16.8 min. N (40.280N), 124 deg. 18.2 min. W (124.304W) |
| Depth | 16.13 km (10.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=3.4 km, Rmss=0.07 sec, Erho=0.79 km, Erzz=0.699999988 km, Gp=150 degrees |
| Event ID# | nc75279221 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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