M 3.3 Earthquake Near Salcha, Alaska

Source: USGS · Alaska

A magnitude 3.3 earthquake occurred 4 km south-southwest of Salcha, Alaska, at a shallow depth of 0.3 km, and was felt by 13 people.

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

This notice was issued by USGS on May 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 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 magnitude 3.3 ml earthquake struck 4 km SSW of Salcha, Alaska, at a depth of 0.3 km. The event occurred on July 28, 2026, at 09:48:19 UTC (converted from Unix timestamp).

Location Details

The earthquake's epicenter was located at coordinates 64.491 latitude and -146.938 longitude, near Salcha in Alaska. With a depth of 0.3 km, this is considered a shallow earthquake (less than 20 km), which can lead to more intense shaking at the surface compared to deeper events.

Impact Assessment

The earthquake was reported as felt by 13 people, with a Community Decimal Intensity (CDI) of 2.8. There is no tsunami advisory, and no alert level was issued.

What You Should Know

This minor earthquake, with a magnitude of 3.3, is often felt but rarely causes damage. Aftershocks may occur, and general safety tips include staying informed through official channels and knowing how to protect yourself during shaking, such as dropping to the ground if indoors.

Source

Information from USGS: [https://earthquake.usgs.gov/earthquakes/eventpage/aka2026itqnsh]

Original source: USGS Official Notice ↗

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Frequently Asked Questions

Common questions about this USGS earthquake report.

What is this USGS earthquake report about?
A magnitude 3.3 earthquake occurred 4 km south-southwest of Salcha, Alaska, at a shallow depth of 0.3 km, and was felt by 13 people.
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.