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 8:31:32 AM (PDT) on Friday, August 15, 2025.
The magnitude 1.8 event occurred 34 km (21 miles) SSW of Ferndale, CA.
The hypocentral depth is 19 km (12 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Friday, August 15, 2025 at 8:31:32 AM (PDT) Friday, August 15, 2025 at 15:31:32 (UTC) |
| Distance from |
Ferndale, CA - 34 km (21 miles) SSW (213 degrees) Rio Dell, CA - 38 km (23 miles) WSW (238 degrees) Hydesville, CA - 41 km (26 miles) SW (232 degrees) Fortuna, CA - 42 km (26 miles) SW (222 degrees) Humboldt Hill, CA - 52 km (32 miles) SSW (209 degrees) |
| Coordinates | 40 deg. 19.1 min. N (40.318N), 124 deg. 29.0 min. W (124.484W) |
| Depth | 18.76 km (11.70 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=14.6 km, Rmss=0.07 sec, Erho=4.61 km, Erzz=2.07999992 km, Gp=297 degrees |
| Event ID# | nc75224122 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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