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 2:42:08 PM (PDT) on Monday, August 11, 2025.
The magnitude 2.2 event occurred 3 km (2 miles) NE (37 degrees) of Day Valley, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 2.2 - duration magnitude (Md)
Time Monday, August 11, 2025 at 2:42:08 PM (PDT)
Monday, August 11, 2025 at 21:42:08 (UTC)
Distance from Day Valley, CA - 3 km (2 miles) NE (37 degrees)
Corralitos, CA - 8 km (5 miles) NNW (339 degrees)
Aptos, CA - 10 km (7 miles) NNE (30 degrees)
Aptos Hills-Larkin Valley, CA - 11 km (7 miles) N (357 degrees)
Rio Del Mar, CA - 11 km (7 miles) NNE (28 degrees)
Coordinates 37 deg. 3.5 min. N (37.059N), 121 deg. 50.5 min. W (121.841W)
Depth 4.88 km (3.00 miles)
Quality Good
Location Quality Parameters Nst=40, Nph=36, Dmin=5.7 km, Rmss=0.21 sec, Erho=0.29 km, Erzz=0.829999983 km, Gp=60 degrees
Event ID# nc75222002
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