M 3.3 Earthquake Recorded 247 km ESE of Chiniak, Alaska
Areazine synthesizes this USGS earthquake report directly from USGS's official public data feed. See our methodology for full source attribution and refresh cadence.
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 this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on April 5, 2026 and geographically references Alaska. Its severity classification of "low" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Earthquakes - determines the monitoring protocol behind it, which shapes what follow-up action (checking for structural damage, watching for aftershocks, reviewing local building codes) is relevant and which agency holds authority over the assessment.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to verify its scope, source, and timestamp, then compare related notices without assuming that one record proves a broader trend.
Areazine pairs this record with the original agency URL so you can check the primary source before acting. Its related labels are earthquake, seismic, usgs, Alaska.
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.
Original source: USGS Official Notice ↗
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