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 5:04:26 PM (PDT) on Thursday, October 23, 2025.
The magnitude 0.7 event occurred 1 km (0 miles) ESE of Woodside, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 0.7 - duration magnitude (Md) |
| Time | Thursday, October 23, 2025 at 5:04:26 PM (PDT) Friday, October 24, 2025 at 0:04:26 (UTC) |
| Distance from |
Woodside, CA - 1 km (0 miles) ESE (102 degrees) West Menlo Park, CA - 4 km (2 miles) W (262 degrees) Emerald Lake Hills, CA - 4 km (3 miles) SSE (155 degrees) Portola Valley, CA - 5 km (3 miles) NNW (348 degrees) Redwood City, CA - 6 km (4 miles) S (188 degrees) |
| Coordinates | 37 deg. 25.7 min. N (37.429N), 122 deg. 14.8 min. W (122.247W) |
| Depth | 4.66 km (2.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=14, Nph=18, Dmin=2.9 km, Rmss=0.09 sec, Erho=0.26 km, Erzz=0.36 km, Gp=90 degrees |
| Event ID# | nc75253671 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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