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 6:12:36 AM (PDT) on Tuesday, September 23, 2025.
The magnitude 1.5 event occurred 11 km (7 miles) NW of Covelo, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Tuesday, September 23, 2025 at 6:12:36 AM (PDT) Tuesday, September 23, 2025 at 13:12:36 (UTC) |
| Distance from |
Covelo, CA - 11 km (7 miles) NW (315 degrees) Laytonville, CA - 23 km (14 miles) NNE (33 degrees) Brooktrails, CA - 47 km (29 miles) N (5 degrees) Willits, CA - 50 km (31 miles) N (2 degrees) Redway, CA - 50 km (31 miles) SE (125 degrees) |
| Coordinates | 39 deg. 51.7 min. N (39.861N), 123 deg. 20.3 min. W (123.338W) |
| Depth | 2.99 km (1.90 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=6.1 km, Rmss=0.06 sec, Erho=0.49 km, Erzz=2.50999999 km, Gp=141 degrees |
| Event ID# | nc75240902 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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