Recent Earthquakes in California and Nevada


== PRELIMINARY EVENT REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California


Version #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro quarry occurred at 12:30:28 PM (PDT) on Wednesday, October 22, 2025.
The magnitude 1.4 event (a probable quarry explosion) occurred 2 km (1 miles) ESE of Home Gardens, CA.
The hypocentral depth is -0.44 km (-0.30 miles).


Magnitude 1.4 - local magnitude (Ml)
Time Wednesday, October 22, 2025 at 12:30:28 PM (PDT)
Wednesday, October 22, 2025 at 19:30:28 (UTC)
Distance from Home Gardens, CA - 2 km (1 miles) ESE (122 degrees)
Corona, CA - 6 km (4 miles) E (93 degrees)
Norco, CA - 8 km (5 miles) SSE (148 degrees)
Pedley, CA - 12 km (8 miles) S (191 degrees)
Riverside, CA - 13 km (8 miles) SW (227 degrees)
Coordinates 33 deg. 52.0 min. N (33.867N), 117 deg. 30.0 min. W (117.501W)
Depth -0.44 km (-0.30 miles)
Quality Fair
Location Quality Parameters Nst=51, Nph=51, Dmin=5.7 km, Rmss=0.21 sec, Erho=0.27 km, Erzz=31.61 km, Gp=29 degrees
Event ID# ci41112887
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)