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 2:38:04 PM (PDT) on Saturday, September 20, 2025.
The magnitude 1.8 event occurred 10 km (6 miles) WNW of Covelo, CA.
The hypocentral depth is -1 km (-1 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Saturday, September 20, 2025 at 2:38:04 PM (PDT) Saturday, September 20, 2025 at 21:38:04 (UTC) |
| Distance from |
Covelo, CA - 10 km (6 miles) WNW (286 degrees) Laytonville, CA - 18 km (11 miles) NE (36 degrees) Brooktrails, CA - 42 km (26 miles) N (3 degrees) Willits, CA - 45 km (28 miles) N (359 degrees) Redway, CA - 52 km (32 miles) SE (130 degrees) |
| Coordinates | 39 deg. 49.0 min. N (39.817N), 123 deg. 21.7 min. W (123.361W) |
| Depth | -1.01 km (-0.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=38, Nph=48, Dmin=10.0 km, Rmss=0.25 sec, Erho=0.24 km, Erzz=0.81 km, Gp=48 degrees |
| Event ID# | nc75239982 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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