Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 10:25:32 PM (PDT) on Tuesday, April 21, 2026.
The magnitude 1.4 event occurred 9 km (6 miles) SW of Corona, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.4 - local magnitude (Ml)
Time Tuesday, April 21, 2026 at 10:25:32 PM (PDT)
Wednesday, April 22, 2026 at 5:25:32 (UTC)
Distance from Corona, CA - 9 km (6 miles) SW (226 degrees)
Home Gardens, CA - 13 km (8 miles) SW (236 degrees)
Foothill Ranch, CA - 14 km (9 miles) N (8 degrees)
North Tustin, CA - 15 km (9 miles) ENE (69 degrees)
Villa Park, CA - 16 km (10 miles) E (91 degrees)
Coordinates 33 deg. 48.7 min. N (33.812N), 117 deg. 38.4 min. W (117.641W)
Depth 6.99 km (4.30 miles)
Quality Good
Location Quality Parameters Nst=49, Nph=89, Dmin=3.5 km, Rmss=0.19 sec, Erho=0.17 km, Erzz=0.37 km, Gp=47 degrees
Event ID# ci41446624
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)