Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 12:41:42 PM (PDT) on Monday, August 18, 2025.
The magnitude 0.5 event occurred 11 km (7 miles) ENE (74 degrees) of Morgan Hill, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 0.5 - duration magnitude (Md)
Time Monday, August 18, 2025 at 12:41:42 PM (PDT)
Monday, August 18, 2025 at 19:41:42 (UTC)
Distance from Morgan Hill, CA - 11 km (7 miles) ENE (74 degrees)
San Martin, CA - 11 km (7 miles) NE (40 degrees)
Gilroy, CA - 17 km (11 miles) N (11 degrees)
Interlaken, CA - 29 km (18 miles) NE (38 degrees)
Seven Trees, CA - 31 km (19 miles) ESE (117 degrees)
Coordinates 37 deg. 9.5 min. N (37.159N), 121 deg. 31.9 min. W (121.532W)
Depth 9.19 km (5.70 miles)
Quality Excellent
Location Quality Parameters Nst=15, Nph=18, Dmin=6.3 km, Rmss=0.11 sec, Erho=0.36 km, Erzz=0.86 km, Gp=63 degrees
Event ID# nc75225512
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For more information, see https://earthquake.usgs.gov

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