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 7:01:45 PM (PDT) on Saturday, August 16, 2025.
The magnitude 1.0 event occurred 4 km (2 miles) SW of Loyola, CA.
The hypocentral depth is 6 km ( 3 miles).


Magnitude 1.0 - duration magnitude (Md)
Time Saturday, August 16, 2025 at 7:01:45 PM (PDT)
Sunday, August 17, 2025 at 2:01:45 (UTC)
Distance from Loyola, CA - 4 km (2 miles) SW (226 degrees)
Los Altos Hills, CA - 6 km (4 miles) S (174 degrees)
Los Altos, CA - 7 km (4 miles) SSW (193 degrees)
Mountain View, CA - 8 km (5 miles) SSW (213 degrees)
Cupertino, CA - 9 km (5 miles) W (273 degrees)
Coordinates 37 deg. 19.7 min. N (37.328N), 122 deg. 7.9 min. W (122.131W)
Depth 5.50 km (3.40 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=2.2 km, Rmss=0.08 sec, Erho=0.55 km, Erzz=0.639999986 km, Gp=127 degrees
Event ID# nc75224872
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For more information, see https://earthquake.usgs.gov

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