Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 6:13:20 AM (PDT) on Tuesday, September 23, 2025.
The magnitude 1.4 event occurred 11 km (7 miles) WNW of Covelo, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Tuesday, September 23, 2025 at 6:13:20 AM (PDT) Tuesday, September 23, 2025 at 13:13:20 (UTC) |
| Distance from |
Covelo, CA - 11 km (7 miles) WNW (301 degrees) Laytonville, CA - 20 km (13 miles) NNE (31 degrees) Brooktrails, CA - 45 km (28 miles) N (3 degrees) Willits, CA - 48 km (30 miles) N (359 degrees) Redway, CA - 50 km (31 miles) SE (128 degrees) |
| Coordinates | 39 deg. 50.7 min. N (39.845N), 123 deg. 21.7 min. W (123.362W) |
| Depth | 5.81 km (3.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=32, Nph=34, Dmin=7.0 km, Rmss=0.12 sec, Erho=0.19 km, Erzz=0.57 km, Gp=58 degrees |
| Event ID# | nc75240907 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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