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 11:36:42 AM (PDT) on Sunday, July 20, 2025.
The magnitude 1.7 event occurred 10 km (6 miles) ESE of East Foothills, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.7 - duration magnitude (Md)
Time Sunday, July 20, 2025 at 11:36:42 AM (PDT)
Sunday, July 20, 2025 at 18:36:42 (UTC)
Distance from East Foothills, CA - 10 km (6 miles) ESE (115 degrees)
Alum Rock, CA - 11 km (7 miles) ESE (105 degrees)
Seven Trees, CA - 13 km (8 miles) ENE (61 degrees)
San Jose, CA - 16 km (10 miles) E (89 degrees)
Buena Vista, CA - 18 km (11 miles) E (83 degrees)
Coordinates 37 deg. 20.5 min. N (37.341N), 121 deg. 42.7 min. W (121.712W)
Depth 2.05 km (1.30 miles)
Quality Good
Location Quality Parameters Nst=17, Nph=17, Dmin=6.2 km, Rmss=0.05 sec, Erho=0.2 km, Erzz=0.790000021 km, Gp=50 degrees
Event ID# nc75212617
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For more information, see https://earthquake.usgs.gov

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