M 3.9 Earthquake 44 km W of Happy Valley, Alaska

Source: USGS · 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 3.9 ml earthquake occurred 44 km west of Happy Valley, Alaska, at a depth of 108.3 km.

What this USGS earthquake report tells you, and what most readers miss

This notice was issued by USGS on July 6, 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 3.9 ml earthquake struck 44 km W of Happy Valley, Alaska, on 2026-07-05 at 12:16:22 UTC. The event was recorded at coordinates 60.022°N, -152.523°E with a depth of 108.3 km.

Location Details

The earthquake was located 44 km west of Happy Valley, Alaska. The depth of 108.3 km classifies it as a deep earthquake (>70 km).

Impact Assessment

The earthquake was felt by 63 people, with a maximum reported intensity (CDI) of 3.1. No tsunami was generated (tsunami advisory status: 0). No alert level was issued.

What You Should Know

Earthquakes of this magnitude (M 2.5-3.9) are often felt but rarely cause damage. Residents in the area should be prepared for possible aftershocks.

Source

USGS Event Page

Original source: USGS Official Notice ↗

All Earthquakes →

Frequently Asked Questions

Common questions about this USGS earthquake report.

What is this USGS earthquake report about?
A magnitude 3.9 ml earthquake occurred 44 km west of Happy Valley, Alaska, at a depth of 108.3 km.
Which agency issued this alert?
This alert was issued by USGS. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "low" severity. No immediate action required, but stay aware.
What area is affected?
This alert affects Alaska. Check with USGS for the most current geographic scope.
Where can I find more Earthquakes updates?
Browse the full Earthquakes feed on Areazine at areazine.com/earthquakes/ for the latest updates from USGS and other agencies.