M 3.3 Earthquake Recorded 12 km West-Southwest of Rio Dell, California

Earthquakes low USGS · · Northern California

A minor 3.3 magnitude earthquake occurred near Rio Dell, California, on March 15, 2026. The event was recorded at a depth of 26 kilometers with minimal felt reports.

What Happened

A minor earthquake with a magnitude of 3.3 ml occurred on March 15, 2026, at 00:48:55 UTC. The seismic event was centered 12 kilometers west-southwest of Rio Dell, California, at a depth of 26.04 kilometers.

Location Details

The earthquake was located at coordinates 40.466°N and 124.240°W. With a depth of 26.04 kilometers, this is classified as an intermediate-depth earthquake, as it falls within the 20 to 70 kilometer range. The epicenter was situated in Northern California, approximately 12 kilometers from the community of Rio Dell.

Impact Assessment

According to the USGS “Did You Feel It?” service, there has been 1 reported instance of the earthquake being felt. There is no tsunami advisory, watch, or warning in effect for this event. No alert level color has been assigned, and there are no reports of damage or injuries in connection with this minor seismic activity.

What You Should Know

Earthquakes with magnitudes between 2.5 and 3.9 are classified as minor. While they are often felt by people near the epicenter, they rarely cause structural damage. Residents should be aware that aftershocks are possible following any seismic event, though they are typically smaller than the initial quake. In the event of shaking, remember to drop, cover, and hold on.

Source

Information provided by the USGS Earthquake Hazards Program.

Source: USGS Official Notice

Frequently Asked Questions

What is this earthquakes alert about?
A minor 3.3 magnitude earthquake occurred near Rio Dell, California, on March 15, 2026. The event was recorded at a depth of 26 kilometers with minimal felt reports.
Which agency issued this alert?
This alert was issued by USGS. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "low" severity. No immediate action required, but stay aware.
What area is affected?
This alert affects Northern California. Check with USGS for the most current geographic scope.
Where can I find more earthquakes alerts?
Browse all earthquakes alerts on Areazine at areazine.com/earthquakes/ for the latest updates from USGS and other agencies.