Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 6:49:08 PM (PDT) on Saturday, September 6, 2025.
The magnitude 1.0 event occurred 16 km (10 miles) E (94 degrees) of Seven Trees, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 1.0 - duration magnitude (Md)
Time Saturday, September 6, 2025 at 6:49:08 PM (PDT)
Sunday, September 7, 2025 at 1:49:08 (UTC)
Distance from Seven Trees, CA - 16 km (10 miles) E (94 degrees)
Morgan Hill, CA - 16 km (10 miles) N (0 degrees)
Alum Rock, CA - 18 km (11 miles) ESE (123 degrees)
East Foothills, CA - 19 km (12 miles) SE (129 degrees)
San Martin, CA - 21 km (13 miles) N (350 degrees)
Coordinates 37 deg. 16.5 min. N (37.275N), 121 deg. 39.2 min. W (121.653W)
Depth 1.03 km (0.60 miles)
Quality Excellent
Location Quality Parameters Nst=28, Nph=36, Dmin=2.5 km, Rmss=0.07 sec, Erho=0.14 km, Erzz=0.26 km, Gp=44 degrees
Event ID# nc75234242
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For more information, see https://earthquake.usgs.gov

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