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 11:07:06 AM (PDT) on Tuesday, October 14, 2025.
The magnitude 1.2 event occurred 2 km (1 miles) SSE of Portola Valley, CA.
The hypocentral depth is 9 km ( 5 miles).
Magnitude | 1.2 - duration magnitude (Md) |
Time | Tuesday, October 14, 2025 at 11:07:06 AM (PDT) Tuesday, October 14, 2025 at 18:07:06 (UTC) |
Distance from |
Portola Valley, CA - 2 km (1 miles) SSE (155 degrees) Woodside, CA - 7 km (4 miles) SSE (160 degrees) West Menlo Park, CA - 7 km (5 miles) SSW (197 degrees) Stanford, CA - 8 km (5 miles) SW (222 degrees) Los Altos Hills, CA - 8 km (5 miles) W (262 degrees) |
Coordinates | 37 deg. 22.2 min. N (37.370N), 122 deg. 13.6 min. W (122.227W) |
Depth | 8.77 km (5.40 miles) |
Quality | Good |
Location Quality Parameters | Nst=9, Nph=9, Dmin=3.4 km, Rmss=0.07 sec, Erho=0.6 km, Erzz=0.540000021 km, Gp=139 degrees |
Event ID# | nc75249226 |
Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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