Minor M 3.3 Earthquake Strikes Near Ugashik, Alaska
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A minor 3.3 magnitude earthquake occurred approximately 128 kilometers south-southeast of Ugashik, Alaska, on March 12, 2026. No tsunami warnings were issued.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on April 6, 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 was recorded on Thursday, March 12, 2026, at 09:10:22 UTC. The seismic event occurred at an intermediate depth of 62.7 km.
Location Details
The epicenter was located at coordinates 56.513°N, 156.341°W, approximately 128 km south-southeast of Ugashik, Alaska. The depth of 62.7 km is classified as intermediate (20-70km), which generally results in less intense surface shaking than shallower earthquakes of the same magnitude.
Impact Assessment
There are currently no felt reports associated with this event in the USGS database. No tsunami advisory, watch, or warning has been issued. No alert level color has been assigned, indicating routine seismic activity for the region.
What You Should Know
Earthquakes with magnitudes between 2.5 and 3.9 are considered minor; they are often felt by residents but rarely cause structural damage. While aftershocks are a possibility following any seismic event, they are typically smaller than the initial quake. Residents should always follow standard safety protocols during shaking.
Source
Data provided by the USGS Earthquake Hazards Program.
Original source: USGS Official Notice ↗
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