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 10:36:21 AM (PDT) on Friday, September 12, 2025.
The magnitude 1.8 event occurred 3 km (2 miles) E (93 degrees) of Aromas, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 1.8 - duration magnitude (Md)
Time Friday, September 12, 2025 at 10:36:21 AM (PDT)
Friday, September 12, 2025 at 17:36:21 (UTC)
Distance from Aromas, CA - 3 km (2 miles) E (93 degrees)
San Juan Bautista, CA - 8 km (5 miles) NW (306 degrees)
Las Lomas, CA - 11 km (7 miles) ENE (77 degrees)
Pajaro, CA - 12 km (8 miles) E (99 degrees)
Watsonville, CA - 13 km (8 miles) E (101 degrees)
Coordinates 36 deg. 53.2 min. N (36.887N), 121 deg. 36.7 min. W (121.611W)
Depth 1.03 km (0.60 miles)
Quality Excellent
Location Quality Parameters Nst=12, Nph=12, Dmin=1.8 km, Rmss=0.06 sec, Erho=0.26 km, Erzz=0.5 km, Gp=77 degrees
Event ID# nc75236977
Additional Information Map

For more information, see https://earthquake.usgs.gov

[ Index map || Big earthquake list || All earthquake list || Glossary of terms || Top page ]
[ Did you feel it? || ShakeMaps || Relative2Me ]
[ Data Sources ]

Special maps
Long Valley || Los Angeles || San Francisco

Data Sources
US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)