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 3:35:28 PM (PDT) on Thursday, September 4, 2025.
The magnitude 2.2 event occurred 34 km (21 miles) E (89 degrees) of Covelo, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 2.2 - duration magnitude (Md) |
| Time | Thursday, September 4, 2025 at 3:35:28 PM (PDT) Thursday, September 4, 2025 at 22:35:28 (UTC) |
| Distance from |
Covelo, CA - 34 km (21 miles) E (89 degrees) Rancho Tehama Reserve, CA - 45 km (28 miles) WSW (238 degrees) Laytonville, CA - 55 km (34 miles) ENE (77 degrees) Orland, CA - 56 km (35 miles) W (276 degrees) Corning, CA - 59 km (37 miles) WSW (256 degrees) |
| Coordinates | 39 deg. 48.0 min. N (39.799N), 122 deg. 51.1 min. W (122.852W) |
| Depth | 10.50 km (6.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=21, Nph=20, Dmin=19.4 km, Rmss=0.18 sec, Erho=0.39 km, Erzz=2.6500001 km, Gp=40 degrees |
| Event ID# | nc75233222 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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