M 3.3 Earthquake Recorded Near Hydesville, California
A minor 3.3 magnitude earthquake was detected 16 kilometers east-northeast of Hydesville, California, on March 21, 2026.
What Happened
A minor earthquake with a magnitude of 3.3 ml occurred on March 21, 2026, at 05:35 UTC (10:35 PM local time on March 20). The event was centered approximately 16 kilometers (10 miles) east-northeast of Hydesville, California.
Location Details
The seismic event was located at coordinates 40.583°N and 123.918°W. The earthquake originated at a depth of 29.73 kilometers (approximately 18.5 miles). This is considered an intermediate-depth earthquake, as it occurred between 20 and 70 kilometers below the Earth’s surface.
Impact Assessment
According to the U.S. Geological Survey (USGS), there have been 5 confirmed felt reports from the surrounding area. There is no tsunami advisory, watch, or warning in effect for this event. No alert level color was assigned, and there are no reports of damage or injuries associated with this tremor.
What You Should Know
Earthquakes with a magnitude between 2.5 and 3.9 are classified as minor. While these events are often felt by people near the epicenter, they rarely cause damage to buildings or infrastructure. Residents in seismically active regions like Northern California should remain aware that aftershocks are a possibility following any seismic event.
Source
Information provided by the USGS Earthquake Hazards Program.
Source: USGS Official Notice