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 7:48:10 AM (PDT) on Tuesday, September 23, 2025.
The magnitude 1.6 event occurred 10 km (6 miles) NW of Covelo, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Tuesday, September 23, 2025 at 7:48:10 AM (PDT) Tuesday, September 23, 2025 at 14:48:10 (UTC) |
| Distance from |
Covelo, CA - 10 km (6 miles) NW (306 degrees) Laytonville, CA - 21 km (13 miles) NE (35 degrees) Brooktrails, CA - 45 km (28 miles) N (5 degrees) Willits, CA - 48 km (30 miles) N (2 degrees) Redway, CA - 51 km (32 miles) SE (126 degrees) |
| Coordinates | 39 deg. 50.6 min. N (39.844N), 123 deg. 20.3 min. W (123.338W) |
| Depth | 5.91 km (3.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=7.7 km, Rmss=0.19 sec, Erho=0.66 km, Erzz=1.72000003 km, Gp=113 degrees |
| Event ID# | nc75240937 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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