M 3.0 Earthquake Near Happy Valley, Alaska

Source: USGS · Alaska

A magnitude 3.0 earthquake struck 50 km west-northwest of Happy Valley, Alaska, at a depth of 98.3 km on June 28, 2026, at 12:46:15 UTC.

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

This notice was issued by USGS on May 4, 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 3.0 ml earthquake occurred on June 28, 2026, at 12:46:15 UTC, located 50 km WNW of Happy Valley, Alaska. The event took place at a depth of 98.3 km.

Location Details

The earthquake was centered at coordinates 60.073 latitude and -152.607 longitude, approximately 50 km WNW of Happy Valley in Alaska. With a depth of 98.3 km, this is considered a deep earthquake (greater than 70 km), which typically occurs in the Earth's lower crust or upper mantle and may result in less intense surface shaking compared to shallower events.

Impact Assessment

No felt reports were available for this event. There was no tsunami advisory issued, as indicated by the data.

What You Should Know

This minor earthquake, with a magnitude of 3.0, is often felt but rarely causes damage. It is possible for aftershocks to occur following such events, though no specific details are available. For safety, individuals in the area should follow general earthquake preparedness tips, such as securing heavy objects and knowing how to drop, cover, and hold on during shaking.

Source

This information is from the USGS. For more details, visit: https://earthquake.usgs.gov/earthquakes/eventpage/aka2026ijubyw

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 3.0 earthquake struck 50 km west-northwest of Happy Valley, Alaska, at a depth of 98.3 km on June 28, 2026, at 12:46:15 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 "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.