M 3.3 Earthquake Recorded 247 km ESE of Chiniak, Alaska
A minor 3.3 magnitude earthquake occurred off the coast of Alaska on March 24, 2026. The event was recorded at an intermediate depth of 23.7 km with no tsunami threat.
What Happened
A minor earthquake with a magnitude of 3.3 ml occurred on March 24, 2026, at 09:30:44 UTC. The seismic event was recorded at a depth of 23.7 km.
Location Details
The epicenter was located at coordinates 56.528°N, 148.723°W, approximately 247 km east-southeast of Chiniak, Alaska. The depth of 23.7 km is classified as intermediate, as it falls within the 20-70 km range, occurring just below the shallow crustal zone.
Impact Assessment
There are currently no felt reports associated with this event. No tsunami advisory, watch, or warning has been issued. The USGS has not assigned a specific alert level color for this earthquake, and there are no reports of damage or impact to populated areas.
What You Should Know
This event is classified as a minor earthquake. Earthquakes in the M 2.5-3.9 range are routine geological occurrences; they are often recorded by seismic equipment but are rarely felt by residents and typically do not cause structural damage. While aftershocks are a possibility following any seismic event, they generally follow a decreasing trend in magnitude.
Source
Data and attribution provided by the USGS Earthquake Hazards Program.
Source: USGS Official Notice