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 4:27:53 AM (PDT) on Friday, September 5, 2025.
The magnitude 1.2 event occurred 2 km (1 miles) E (79 degrees) of Woodside, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Friday, September 5, 2025 at 4:27:53 AM (PDT) Friday, September 5, 2025 at 11:27:53 (UTC) |
| Distance from |
Woodside, CA - 2 km (1 miles) E (79 degrees) West Menlo Park, CA - 3 km (2 miles) W (268 degrees) Portola Valley, CA - 5 km (3 miles) N (359 degrees) Emerald Lake Hills, CA - 5 km (3 miles) SE (142 degrees) Atherton, CA - 5 km (3 miles) SW (227 degrees) |
| Coordinates | 37 deg. 25.9 min. N (37.432N), 122 deg. 14.2 min. W (122.237W) |
| Depth | 2.55 km (1.60 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=3.3 km, Rmss=0.04 sec, Erho=1.07 km, Erzz=0.910000026 km, Gp=184 degrees |
| Event ID# | nc75233402 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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