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 2:30:00 AM (PDT) on Sunday, August 10, 2025.
The magnitude 1.8 event occurred 32 km (20 miles) SSW of Ferndale, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Sunday, August 10, 2025 at 2:30:00 AM (PDT) Sunday, August 10, 2025 at 9:30:00 (UTC) |
| Distance from |
Ferndale, CA - 32 km (20 miles) SSW (201 degrees) Rio Dell, CA - 33 km (20 miles) SW (229 degrees) Hydesville, CA - 37 km (23 miles) SW (224 degrees) Fortuna, CA - 38 km (24 miles) SSW (212 degrees) Humboldt Hill, CA - 50 km (31 miles) SSW (201 degrees) |
| Coordinates | 40 deg. 18.5 min. N (40.308N), 124 deg. 24.0 min. W (124.399W) |
| Depth | 9.61 km (6.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=15, Nph=15, Dmin=5.3 km, Rmss=0.06 sec, Erho=1.48 km, Erzz=0.550000012 km, Gp=282 degrees |
| Event ID# | nc75221377 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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