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 10:24:36 AM (PDT) on Monday, August 18, 2025.
The magnitude 2.8 event occurred 79 km (49 miles) W of Ferndale, CA.
The hypocentral depth is 27 km (17 miles).
| Magnitude | 2.8 - duration magnitude (Md) |
| Time | Monday, August 18, 2025 at 10:24:36 AM (PDT) Monday, August 18, 2025 at 17:24:36 (UTC) |
| Distance from |
Ferndale, CA - 79 km (49 miles) W (259 degrees) Fortuna, CA - 88 km (55 miles) WSW (258 degrees) Humboldt Hill, CA - 89 km (56 miles) WSW (249 degrees) Rio Dell, CA - 91 km (56 miles) W (266 degrees) Hydesville, CA - 92 km (57 miles) W (262 degrees) |
| Coordinates | 40 deg. 26.0 min. N (40.433N), 125 deg. 10.5 min. W (125.174W) |
| Depth | 27.00 km (16.80 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=16, Nph=14, Dmin=72.5 km, Rmss=0.19 sec, Erho=6.42 km, Erzz=13.6000004 km, Gp=294 degrees |
| Event ID# | nc75225487 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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