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 5:57:17 PM (PDT) on Monday, October 27, 2025.
The magnitude 2.1 event occurred 79 km (49 miles) WSW of Ferndale, CA.
The hypocentral depth is 9 km ( 5 miles).
| Magnitude | 2.1 - duration magnitude (Md) |
| Time | Monday, October 27, 2025 at 5:57:17 PM (PDT) Tuesday, October 28, 2025 at 0:57:17 (UTC) |
| Distance from |
Ferndale, CA - 79 km (49 miles) WSW (242 degrees) Rio Dell, CA - 88 km (54 miles) WSW (251 degrees) Fortuna, CA - 88 km (55 miles) WSW (243 degrees) Hydesville, CA - 90 km (56 miles) WSW (248 degrees) Humboldt Hill, CA - 93 km (58 miles) SW (235 degrees) |
| Coordinates | 40 deg. 14.2 min. N (40.237N), 125 deg. 4.9 min. W (125.082W) |
| Depth | 8.60 km (5.30 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=13, Nph=11, Dmin=71.0 km, Rmss=0.22 sec, Erho=14.54 km, Erzz=17.7800007 km, Gp=292 degrees |
| Event ID# | nc75255491 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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