M 4.2 Earthquake Occurs 297 km SW of Yakutat, 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 magnitude 4.2 earthquake struck 297 km southwest of Yakutat, Alaska, at a depth of 10 km, with no tsunami advisory issued.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on April 9, 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 verify its scope, source, and timestamp, then compare related notices without assuming that one record proves a broader trend.
Areazine pairs this record with the original agency URL so you can check the primary source before acting. Its related labels are earthquake, seismic, usgs, Alaska.
What Happened
A magnitude 4.2 earthquake, specifically an M 4.2 mb, occurred on June 28, 2026, at 14:45:01 UTC (converted from Unix timestamp 1775729101304). The event took place at a depth of 10 km and was located 297 km SW of Yakutat, Alaska.
Location Details
The earthquake was centered at coordinates latitude 57.4443 and longitude -142.8856, approximately 297 km southwest of Yakutat, Alaska. At a depth of 10 km, this is considered a shallow earthquake, which typically means it occurs in the upper crust and may be felt more strongly near the epicenter compared to deeper events.
Impact Assessment
There were no felt reports available for this event. No tsunami advisory was issued, as indicated by the data, and there was no alert level specified.
What You Should Know
This light earthquake, with a magnitude of 4.2, may cause noticeable shaking but rarely results in significant damage. It is possible for aftershocks to occur following such events, and general safety tips include staying informed through official channels and preparing an emergency plan if you are in a seismic-prone area.
Source
This information is sourced from the USGS. For more details, visit: https://earthquake.usgs.gov/earthquakes/eventpage/us6000snn9
Original source: USGS Official Notice ↗
Related Earthquakes
All Earthquakes →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this USGS earthquake report: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,256 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to April 9, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.