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 5:33:00 PM (PDT) on Monday, September 15, 2025.
The magnitude 1.3 event occurred 14 km (9 miles) SSE of Talmage, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Monday, September 15, 2025 at 5:33:00 PM (PDT) Tuesday, September 16, 2025 at 0:33:00 (UTC) |
| Distance from |
Talmage, CA - 14 km (9 miles) SSE (160 degrees) Ukiah, CA - 17 km (11 miles) SSE (151 degrees) Lakeport, CA - 17 km (11 miles) W (260 degrees) North Lakeport, CA - 20 km (12 miles) WSW (246 degrees) Boonville, CA - 22 km (14 miles) E (88 degrees) |
| Coordinates | 39 deg. 0.9 min. N (39.015N), 123 deg. 6.8 min. W (123.113W) |
| Depth | 2.32 km (1.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=23, Nph=26, Dmin=4.3 km, Rmss=0.08 sec, Erho=0.17 km, Erzz=0.75 km, Gp=58 degrees |
| Event ID# | nc75238172 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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