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 9:04:36 AM (PDT) on Wednesday, September 17, 2025.
The magnitude 1.8 event occurred 10 km (6 miles) NW of Covelo, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Wednesday, September 17, 2025 at 9:04:36 AM (PDT) Wednesday, September 17, 2025 at 16:04:36 (UTC) |
| Distance from |
Covelo, CA - 10 km (6 miles) NW (305 degrees) Laytonville, CA - 21 km (13 miles) NE (34 degrees) Brooktrails, CA - 45 km (28 miles) N (4 degrees) Willits, CA - 48 km (30 miles) N (1 degrees) Redway, CA - 51 km (32 miles) SE (127 degrees) |
| Coordinates | 39 deg. 50.7 min. N (39.845N), 123 deg. 20.7 min. W (123.346W) |
| Depth | 5.58 km (3.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=18, Nph=18, Dmin=7.4 km, Rmss=0.16 sec, Erho=0.44 km, Erzz=1.25999999 km, Gp=93 degrees |
| Event ID# | nc75238807 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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