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 11:49:03 AM (PDT) on Monday, July 21, 2025.
The magnitude 1.7 event occurred 2 km (1 miles) ENE (78 degrees) of Aromas, CA.
The hypocentral depth is 0.36 km (0.20 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Monday, July 21, 2025 at 11:49:03 AM (PDT)
Monday, July 21, 2025 at 18:49:03 (UTC)
Distance from Aromas, CA - 2 km (1 miles) ENE (78 degrees)
San Juan Bautista, CA - 9 km (6 miles) NW (306 degrees)
Las Lomas, CA - 11 km (7 miles) ENE (73 degrees)
Pajaro, CA - 12 km (7 miles) E (96 degrees)
Watsonville, CA - 12 km (8 miles) E (99 degrees)
Coordinates 36 deg. 53.6 min. N (36.893N), 121 deg. 37.1 min. W (121.618W)
Depth 0.36 km (0.20 miles)
Quality Excellent
Location Quality Parameters Nst=10, Nph=9, Dmin=2.5 km, Rmss=0.03 sec, Erho=0.25 km, Erzz=0.699999988 km, Gp=86 degrees
Event ID# nc75213022
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