M 4.7 Earthquake South of 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 4.7 ml earthquake occurred south of Alaska at a depth of 44.8 km.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on August 6, 2026 and geographically references South of 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 M 4.7 ml earthquake struck south of Alaska at 12:26:19 UTC on June 15, 2026 (Unix timestamp 1784137579458). The event was reviewed by the USGS.
Location Details
The epicenter was located at latitude 54.233, longitude -153.278, south of Alaska. The depth of 44.8 km classifies it as an intermediate-depth earthquake (20-70 km).
Impact Assessment
No felt reports were recorded. There was no tsunami advisory (tsunami field value: 0). The maximum modified Mercalli intensity was 1.88, and no alert level was issued.
What You Should Know
This was a light earthquake (M 4.0-4.9 range), which can produce noticeable shaking with light damage possible in some cases. Residents in the region should follow standard earthquake safety practices.
Source
https://earthquake.usgs.gov/earthquakes/eventpage/aka2026nxnvtv (USGS)
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 (848 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to August 6, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.