Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A minor earthquake occurred at 10:35:44 PM (PDT) on Friday, March 20, 2026.
The magnitude 3.3 event occurred 16 km (10 miles) ENE (75 degrees) of Hydesville, CA.
The hypocentral depth is 30 km (18 miles).
| Magnitude | 3.3 - local magnitude (Ml) |
| Time | Friday, March 20, 2026 at 10:35:44 PM (PDT) Saturday, March 21, 2026 at 5:35:44 (UTC) |
| Distance from |
Hydesville, CA - 16 km (10 miles) ENE (75 degrees) Rio Dell, CA - 18 km (11 miles) ENE (60 degrees) Fortuna, CA - 20 km (13 miles) E (95 degrees) Pine Hills, CA - 26 km (16 miles) SE (130 degrees) Humboldt Hill, CA - 28 km (17 miles) SE (125 degrees) |
| Coordinates | 40 deg. 35.0 min. N (40.583N), 123 deg. 55.1 min. W (123.918W) |
| Depth | 29.73 km (18.50 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=38, Nph=38, Dmin=9.2 km, Rmss=0.22 sec, Erho=4.21 km, Erzz=1.212 km, Gp=118 degrees |
| Event ID# | nc75330867 |
| 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)
