M 3.3 - 113 km E of Chignik, Alaska
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A magnitude 3.3 earthquake occurred 113 km east of Chignik, Alaska, at a depth of 53.2 km.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on July 11, 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 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 3.3 ml earthquake struck 113 km E of Chignik, Alaska, on 2026-06-09 at 12:29:19 UTC. The event had a depth of 53.2 km and was classified as an intermediate-depth earthquake (20-70 km).
Location Details
The earthquake was located at coordinates 56.299°N, 156.563°W. This places the epicenter 113 km east of Chignik, Alaska. The intermediate depth of 53.2 km is typical for regional seismic activity in the area.
Impact Assessment
No felt reports were recorded. The Modified Mercalli Intensity was estimated at 1.87. There was no tsunami advisory (tsunami flag: 0) and no alert level issued.
What You Should Know
This was a minor earthquake (M 2.5-3.9) that is often felt but rarely causes damage. Residents in the region should be aware of the possibility of aftershocks.
Source
Data from USGS: https://earthquake.usgs.gov/earthquakes/eventpage/aka2026nppeeg
Original source: USGS Official Notice ↗
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