M 4.2 Earthquake Strikes 73 km NNE of Akutan, Alaska

Earthquakes medium USGS · · Alaska

A 4.2 magnitude earthquake occurred 73 km north-northeast of Akutan, Alaska, at a depth of 198.3 km on June 28, 2026, at 04:44 UTC.

What this earthquakes alert tells you, and what most readers miss

This notice was issued by USGS on April 8, 2026 and geographically references Alaska. Its severity classification of "medium" 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 regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim an alert like this, check whether they are personally affected, and move on. The more useful lens is to read the alert as a data point about the issuing system: how quickly USGS detected the hazard, how precise the geographic or product-identifier scope is, and whether similar alerts have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized earthquakes advisory is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (earthquake, seismic, usgs, Alaska) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

What Happened

An earthquake with a magnitude of 4.2 ml struck 73 km NNE of Akutan, Alaska. It occurred on June 28, 2026, at 04:44 UTC, at a depth of 198.3 km.

Location Details

The earthquake was located at coordinates 54.758 latitude and -165.404 longitude, relative to Akutan in Alaska. At a depth of 198.3 km, this is considered a deep earthquake (greater than 70 km), which typically originates in subduction zones and may result in less surface shaking compared to shallower events.

Impact Assessment

There were no felt reports for this earthquake. No tsunami advisory was issued, and no alert level was provided.

What You Should Know

This light earthquake, with a magnitude of 4.2, may have caused noticeable shaking but is unlikely to result in damage. Aftershocks are possible with earthquakes of this magnitude; general safety tips include staying indoors and away from windows during shaking.

Source

Data from USGS: https://earthquake.usgs.gov/earthquakes/eventpage/aka2026gxlpgk

Source: USGS Official Notice

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Frequently Asked Questions

What is this earthquakes alert about?
A 4.2 magnitude earthquake occurred 73 km north-northeast of Akutan, Alaska, at a depth of 198.3 km on June 28, 2026, at 04:44 UTC.
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 "medium" severity. Stay informed and follow agency guidance.
What area is affected?
This alert affects Alaska. 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.