M 4.9 Earthquake Hits 90 km SE of False Pass, Alaska

Source: USGS · Alaska

Areazine synthesizes this USGS earthquake report directly from USGS's official public data feed. See our methodology for full source attribution and refresh cadence.

A 4.9 magnitude earthquake struck 90 km southeast of False Pass, Alaska, at a depth of approximately 34 km. No tsunami or alerts have been reported.

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

This notice was issued by USGS on April 10, 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 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 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 4.9 mww earthquake occurred 90 km SE of False Pass, Alaska, at a depth of 34.348 km. The event took place on June 10, 2026, at 14:30 UTC, based on the provided timestamp.

Location Details

The earthquake was centered 90 km southeast of False Pass, Alaska, at coordinates 54.1868° N, 162.6172° W. With a depth of 34.348 km, this is an intermediate-depth earthquake (between 20-70 km), which typically occurs in regions with subduction zones and may result in less intense surface shaking compared to shallower events.

Impact Assessment

There have been no felt reports for this earthquake. No tsunami advisory has been issued, and no alert level is specified.

What You Should Know

This light earthquake, with a magnitude of 4.9, may cause noticeable shaking but is unlikely to result in significant damage. Be aware of the potential for aftershocks, and follow basic safety tips such as dropping to the ground, covering your head and neck, and holding on to a sturdy object if shaking occurs.

Source

Information from the United States Geological Survey (USGS): https://earthquake.usgs.gov/earthquakes/eventpage/us6000snxe

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 4.9 magnitude earthquake struck 90 km southeast of False Pass, Alaska, at a depth of approximately 34 km. No tsunami or alerts have been reported.
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 updates?
Browse the full Earthquakes feed on Areazine at areazine.com/earthquakes/ for the latest updates from USGS and other agencies.