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 4:06:53 PM (PDT) on Tuesday, August 19, 2025.
The magnitude 2.5 event occurred 2 km (1 miles) NW of Woodside, CA.
The hypocentral depth is 4 km ( 2 miles).
Magnitude | 2.5 - duration magnitude (Md) |
Time | Tuesday, August 19, 2025 at 4:06:53 PM (PDT) Tuesday, August 19, 2025 at 23:06:53 (UTC) |
Distance from |
Woodside, CA - 2 km (1 miles) NW (311 degrees) Emerald Lake Hills, CA - 3 km (2 miles) S (180 degrees) Redwood City, CA - 6 km (4 miles) SSW (209 degrees) West Menlo Park, CA - 6 km (4 miles) W (277 degrees) Portola Valley, CA - 7 km (4 miles) NNW (335 degrees) |
Coordinates | 37 deg. 26.4 min. N (37.440N), 122 deg. 16.1 min. W (122.268W) |
Depth | 3.89 km (2.40 miles) |
Quality | Excellent |
Location Quality Parameters | Nst=64, Nph=60, Dmin=4.7 km, Rmss=0.10 sec, Erho=0.18 km, Erzz=0.400000006 km, Gp=84 degrees |
Event ID# | nc75226012 |
Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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