M 3.9 Earthquake Near Ugashik, 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 3.9 magnitude earthquake struck 71 km southeast of Ugashik, Alaska, at a depth of 81.4 km on July 10, 2026, at 12:59:47 UTC.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on April 18, 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
An earthquake with a magnitude of 3.9 ml occurred 71 km SE of Ugashik, Alaska. It happened at a depth of 81.4 km and struck at 12:59:47 UTC on July 10, 2026.
Location Details
The earthquake was centered at coordinates 57.084 latitude and -156.52 longitude, approximately 71 km southeast of Ugashik in Alaska. At a depth of 81.4 km, this is considered a deep earthquake (greater than 70 km), which typically results in less intense shaking at the surface compared to shallower events.
Impact Assessment
There were no felt reports available for this event. No tsunami advisory was issued, as indicated by the data.
What You Should Know
This minor earthquake, with a magnitude of 3.9, is often felt but rarely causes damage. It is possible for aftershocks to occur, though details are not specified; residents in the area should follow general safety tips such as securing heavy objects and being prepared for potential shaking.
Source
This information is from the United States Geological Survey (USGS). For more details, visit: https://earthquake.usgs.gov/earthquakes/eventpage/aka2026hpwgqc
Original source: USGS Official Notice ↗
Related Earthquakes
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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 (1,123 characters here).
Similar severity timing
Same severity (low) notices issued closest in time to April 18, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.