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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 12:21:19 PM (PDT) on Tuesday, October 20, 2026.
The magnitude 1.0 event occurred 8 km (5 miles) ENE (65 degrees) of Moreno Valley, CA.
The hypocentral depth is 14 km ( 9 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Tuesday, October 20, 2026 at 12:21:19 PM (PDT) Tuesday, October 20, 2026 at 19:21:19 (UTC) |
| Distance from |
Moreno Valley, CA - 8 km (5 miles) ENE (65 degrees) Calimesa, CA - 9 km (6 miles) WSW (248 degrees) Redlands, CA - 11 km (7 miles) SSE (162 degrees) Mentone, CA - 12 km (8 miles) S (184 degrees) March Air Reserve Base, CA - 13 km (8 miles) NE (56 degrees) |
| Coordinates | 33 deg. 57.5 min. N (33.958N), 117 deg. 8.7 min. W (117.145W) |
| Depth | 13.93 km (8.70 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=36, Nph=58, Dmin=9.1 km, Rmss=0.14 sec, Erho=0.16 km, Erzz=0.57 km, Gp=84 degrees |
| Event ID# | ci41349823 |
| 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)
