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 11:08:15 AM (PDT) on Tuesday, September 30, 2025.
The magnitude 1.9 event occurred 2 km (1 miles) ENE (72 degrees) of Aromas, CA.
The hypocentral depth is 0.23 km (0.10 miles).


Magnitude 1.9 - duration magnitude (Md)
Time Tuesday, September 30, 2025 at 11:08:15 AM (PDT)
Tuesday, September 30, 2025 at 18:08:15 (UTC)
Distance from Aromas, CA - 2 km (1 miles) ENE (72 degrees)
San Juan Bautista, CA - 9 km (6 miles) NW (308 degrees)
Las Lomas, CA - 11 km (7 miles) ENE (72 degrees)
Pajaro, CA - 12 km (7 miles) E (95 degrees)
Interlaken, CA - 12 km (7 miles) ESE (121 degrees)
Coordinates 36 deg. 53.7 min. N (36.895N), 121 deg. 37.1 min. W (121.618W)
Depth 0.23 km (0.10 miles)
Quality Good
Location Quality Parameters Nst=8, Nph=8, Dmin=2.6 km, Rmss=0.04 sec, Erho=0.76 km, Erzz=1.24000001 km, Gp=109 degrees
Event ID# nc75243081
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