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 6:28:56 AM (PDT) on Sunday, August 31, 2025.
The magnitude 0.9 event occurred 6 km (3 miles) WSW of Lagunitas-Forest Knolls, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 0.9 - duration magnitude (Md) |
| Time | Sunday, August 31, 2025 at 6:28:56 AM (PDT) Sunday, August 31, 2025 at 13:28:56 (UTC) |
| Distance from |
Lagunitas-Forest Knolls, CA - 6 km (3 miles) WSW (251 degrees) Woodacre, CA - 9 km (6 miles) W (263 degrees) Bolinas, CA - 12 km (7 miles) NNW (331 degrees) Inverness, CA - 14 km (9 miles) SE (140 degrees) Fairfax, CA - 14 km (9 miles) W (277 degrees) |
| Coordinates | 38 deg. 0.1 min. N (38.002N), 122 deg. 45.1 min. W (122.751W) |
| Depth | 8.26 km (5.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=16, Nph=24, Dmin=6.0 km, Rmss=0.06 sec, Erho=0.18 km, Erzz=0.45 km, Gp=55 degrees |
| Event ID# | nc75231227 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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