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 3:03:09 PM (PDT) on Thursday, September 4, 2025.
The magnitude 2.0 event occurred 8 km (5 miles) WNW of Humboldt Hill, CA.
The hypocentral depth is 27 km (17 miles).
| Magnitude | 2.0 - duration magnitude (Md) |
| Time | Thursday, September 4, 2025 at 3:03:09 PM (PDT) Thursday, September 4, 2025 at 22:03:09 (UTC) |
| Distance from |
Humboldt Hill, CA - 8 km (5 miles) WNW (290 degrees) Bayview, CA - 8 km (5 miles) WSW (252 degrees) Cutten, CA - 11 km (7 miles) W (259 degrees) Pine Hills, CA - 11 km (7 miles) W (280 degrees) Eureka, CA - 11 km (7 miles) WSW (245 degrees) |
| Coordinates | 40 deg. 45.0 min. N (40.750N), 124 deg. 16.6 min. W (124.277W) |
| Depth | 26.65 km (16.60 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=13, Nph=13, Dmin=22.2 km, Rmss=0.16 sec, Erho=1.5 km, Erzz=2.5999999 km, Gp=183 degrees |
| Event ID# | nc75233202 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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