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 9:38:15 AM (PDT) on Friday, July 25, 2025.
The magnitude 1.8 event occurred 4 km (2 miles) N (8 degrees) of Larkfield-Wikiup, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Friday, July 25, 2025 at 9:38:15 AM (PDT) Friday, July 25, 2025 at 16:38:15 (UTC) |
| Distance from |
Larkfield-Wikiup, CA - 4 km (2 miles) N (8 degrees) Windsor, CA - 6 km (4 miles) E (91 degrees) Santa Rosa, CA - 11 km (7 miles) NNW (342 degrees) Healdsburg, CA - 13 km (8 miles) ESE (123 degrees) Roseland, CA - 14 km (9 miles) N (354 degrees) |
| Coordinates | 38 deg. 32.8 min. N (38.546N), 122 deg. 44.7 min. W (122.745W) |
| Depth | 3.68 km (2.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=20, Nph=19, Dmin=5.3 km, Rmss=0.07 sec, Erho=0.29 km, Erzz=0.75 km, Gp=80 degrees |
| Event ID# | nc75214952 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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