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 9:53:12 AM (PDT) on Tuesday, September 16, 2025.
The magnitude 1.9 event occurred 37 km (23 miles) SW of Ferndale, CA.
The hypocentral depth is 22 km (14 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Tuesday, September 16, 2025 at 9:53:12 AM (PDT) Tuesday, September 16, 2025 at 16:53:12 (UTC) |
| Distance from |
Ferndale, CA - 37 km (23 miles) SW (214 degrees) Rio Dell, CA - 41 km (25 miles) WSW (237 degrees) Fortuna, CA - 45 km (28 miles) SW (222 degrees) Hydesville, CA - 45 km (28 miles) SW (232 degrees) Humboldt Hill, CA - 55 km (34 miles) SSW (210 degrees) |
| Coordinates | 40 deg. 17.9 min. N (40.298N), 124 deg. 30.7 min. W (124.511W) |
| Depth | 22.42 km (13.90 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=9, Nph=8, Dmin=17.6 km, Rmss=0.16 sec, Erho=5.39 km, Erzz=1.13999999 km, Gp=307 degrees |
| Event ID# | nc75238442 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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