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 8:27:37 AM (PDT) on Monday, August 18, 2025.
The magnitude 2.1 event occurred 35 km (22 miles) SSW of Ferndale, CA.
The hypocentral depth is 12 km ( 8 miles).
| Magnitude | 2.1 - duration magnitude (Md) |
| Time | Monday, August 18, 2025 at 8:27:37 AM (PDT) Monday, August 18, 2025 at 15:27:37 (UTC) |
| Distance from |
Ferndale, CA - 35 km (22 miles) SSW (207 degrees) Rio Dell, CA - 37 km (23 miles) SW (232 degrees) Hydesville, CA - 41 km (25 miles) SW (227 degrees) Fortuna, CA - 42 km (26 miles) SW (217 degrees) Humboldt Hill, CA - 53 km (33 miles) SSW (205 degrees) |
| Coordinates | 40 deg. 17.7 min. N (40.296N), 124 deg. 27.0 min. W (124.451W) |
| Depth | 12.23 km (7.60 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=23, Nph=23, Dmin=9.2 km, Rmss=0.10 sec, Erho=1.57 km, Erzz=0.529999971 km, Gp=266 degrees |
| Event ID# | nc75225457 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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