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 4:13:39 PM (PDT) on Tuesday, March 17, 2026.
The magnitude 1.1 event (a probable quarry explosion) occurred 5 km (3 miles) N of Lake Elsinore, CA.
The hypocentral depth is -0.48 km (-0.30 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Tuesday, March 17, 2026 at 4:13:39 PM (PDT)
Tuesday, March 17, 2026 at 23:13:39 (UTC)
Distance from Lake Elsinore, CA - 5 km (3 miles) N (349 degrees)
Lakeland Village, CA - 8 km (5 miles) N (4 degrees)
Good Hope, CA - 9 km (5 miles) SW (229 degrees)
Perris, CA - 13 km (8 miles) SW (233 degrees)
Wildomar, CA - 14 km (9 miles) NNW (337 degrees)
Coordinates 33 deg. 42.8 min. N (33.714N), 117 deg. 20.3 min. W (117.338W)
Depth -0.48 km (-0.30 miles)
Quality Good
Location Quality Parameters Nst=39, Nph=41, Dmin=4.5 km, Rmss=0.23 sec, Erho=0.36 km, Erzz=31.61 km, Gp=42 degrees
Event ID# ci41206527
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)