M 3.0 Earthquake 22 km ESE of Elmendorf Air Force Base, Alaska
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A magnitude 3.0 ml earthquake occurred 22 km ESE of Elmendorf Air Force Base, Alaska, at a depth of 15.1 km.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on August 20, 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 magnitude 3.0 ml earthquake struck at 2026-07-20 12:43:12 UTC (Unix time 1787224992566). The event was located 22 km ESE of Elmendorf Air Force Base, Alaska.
Location Details
The epicenter was at coordinates 61.169°N, 149.246°W, 22 km ESE of Elmendorf Air Force Base, Alaska. The depth of 15.1 km classifies it as a shallow earthquake (less than 20 km).
Impact Assessment
The earthquake was felt by 24 people, with a maximum reported intensity (CDI) of 3.1. No tsunami advisory was issued (tsunami flag: 0) and no alert level was assigned.
What You Should Know
This was a minor earthquake (M 2.5-3.9 range), which is often felt but rarely causes damage. Residents in the area may experience aftershocks.
Source
USGS Event Page - Data from USGS
Original source: USGS Official Notice ↗
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