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 3:40:34 AM (PDT) on Friday, September 19, 2025.
The magnitude 1.9 event occurred 39 km (24 miles) SW of Ferndale, CA.
The hypocentral depth is 20 km (12 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Friday, September 19, 2025 at 3:40:34 AM (PDT) Friday, September 19, 2025 at 10:40:34 (UTC) |
| Distance from |
Ferndale, CA - 39 km (24 miles) SW (217 degrees) Rio Dell, CA - 43 km (27 miles) WSW (239 degrees) Fortuna, CA - 46 km (29 miles) SW (224 degrees) Hydesville, CA - 46 km (29 miles) SW (234 degrees) Humboldt Hill, CA - 56 km (35 miles) SSW (212 degrees) |
| Coordinates | 40 deg. 17.9 min. N (40.299N), 124 deg. 32.3 min. W (124.538W) |
| Depth | 19.65 km (12.20 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=16.7 km, Rmss=0.04 sec, Erho=3.17 km, Erzz=0.49000001 km, Gp=290 degrees |
| Event ID# | nc75239452 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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