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 10:35:45 PM (PDT) on Sunday, July 27, 2025.
The magnitude 1.4 event occurred 3 km (2 miles) NNE (18 degrees) of Larkfield-Wikiup, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Sunday, July 27, 2025 at 10:35:45 PM (PDT) Monday, July 28, 2025 at 5:35:45 (UTC) |
| Distance from |
Larkfield-Wikiup, CA - 3 km (2 miles) NNE (18 degrees) Windsor, CA - 7 km (4 miles) E (94 degrees) Santa Rosa, CA - 11 km (7 miles) NNW (344 degrees) Roseland, CA - 13 km (8 miles) N (356 degrees) Healdsburg, CA - 14 km (8 miles) SE (124 degrees) |
| Coordinates | 38 deg. 32.5 min. N (38.542N), 122 deg. 44.3 min. W (122.739W) |
| Depth | 3.15 km (2.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=5.3 km, Rmss=0.04 sec, Erho=0.71 km, Erzz=1.14999998 km, Gp=204 degrees |
| Event ID# | nc75216077 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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