M 5.3 Earthquake Strikes 35 km SSW of Cordova, 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 5.3 ml earthquake occurred 35 km SSW of Cordova, Alaska, at a depth of 13.3 km and was felt by 78 people.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on June 29, 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 M 5.3 ml earthquake struck 35 km SSW of Cordova, Alaska, on 2026-07-27 at 12:52:39 UTC. The event had a depth of 13.3 km.
Location Details
The earthquake was located at coordinates 60.237 latitude, -145.91 longitude. The depth of 13.3 km is classified as shallow (less than 20 km).
Impact Assessment
The earthquake was felt by 78 people, with a maximum reported intensity (CDI) of 3.7 and MMI of 4.327. The alert level was green. No tsunami was generated (tsunami status: 0).
What You Should Know
This was a moderate earthquake. Aftershocks are possible following events of this magnitude. Residents should follow standard earthquake safety practices such as drop, cover, and hold on during shaking.
Source
Data from USGS: https://earthquake.usgs.gov/earthquakes/eventpage/aka2026msxacu
Original source: USGS Official Notice ↗
Related Earthquakes
All Earthquakes →Frequently Asked Questions
Common questions about this USGS earthquake report.