M 3.5 Earthquake Reported 44 km NNE of Chase, Alaska

Source: USGS · Alaska

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A minor magnitude 3.5 earthquake occurred near Chase, Alaska, on March 21, 2026. The seismic event was recorded at a depth of 82.5 kilometers with minimal felt reports.

What this USGS earthquake report tells you, and what most readers miss

This notice was issued by USGS on April 3, 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 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 a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it 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 notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized USGS earthquake report 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

A minor earthquake with a magnitude of 3.5 ml occurred on March 21, 2026, at 12:23 UTC (04:23 AM local time). The event was centered approximately 44 kilometers north-northeast of Chase, Alaska.

Location Details

The earthquake's epicenter was located at coordinates 62.796°N and 149.668°W. The seismic activity originated at a depth of 82.5 kilometers. According to geological standards, this is considered a deep earthquake, as it occurred more than 70 kilometers below the surface.

Impact Assessment

As of the latest data, there have been 3 confirmed felt reports from the surrounding area. There is no tsunami advisory, watch, or warning in effect for this event. No alert level color has been assigned by the USGS, indicating a low probability of damage or casualties.

What You Should Know

Earthquakes with magnitudes between 2.5 and 3.9 are classified as minor. While they are often felt by people near the epicenter, they rarely cause structural damage. Residents in seismically active regions like Alaska are encouraged to maintain standard emergency preparedness and be aware of the possibility of routine seismic activity.

Source

Information provided by the USGS.

Original source: USGS Official Notice ↗

All Earthquakes →

Frequently Asked Questions

Common questions about this USGS earthquake report.

What is this USGS earthquake report about?
A minor magnitude 3.5 earthquake occurred near Chase, Alaska, on March 21, 2026. The seismic event was recorded at a depth of 82.5 kilometers with minimal felt reports.
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 "low" severity. No immediate action required, but stay aware.
What area is affected?
This alert affects Alaska. Check with USGS for the most current geographic scope.
Where can I find more Earthquakes updates?
Browse the full Earthquakes feed on Areazine at areazine.com/earthquakes/ for the latest updates from USGS and other agencies.