M 3.3 Earthquake 50 km ENE of Port Alsworth, 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 3.3 earthquake struck 50 km east-northeast of Port Alsworth, Alaska, at a depth of 175.4 km on January 1, 2026, at 12:35:45 UTC.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on April 14, 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 3.3 ml earthquake occurred on January 1, 2026, at 12:35:45 UTC, located 50 km ENE of Port Alsworth, Alaska, at a depth of 175.4 km.
Location Details
The earthquake was centered at coordinates 60.375 latitude and -153.475 longitude. This deep earthquake (greater than 70 km) is typically associated with less surface impact as it occurs in the Earth's lower crust or upper mantle.
Impact Assessment
No felt reports have been received, and no tsunami advisory has been issued.
What You Should Know
This minor earthquake, with a magnitude of 3.3, is often felt but rarely causes damage. It is possible for aftershocks to occur, and individuals in the area should follow general safety tips such as dropping to the ground, covering their head, and holding on during any shaking.
Source
Original source: USGS Official Notice ↗
Related Earthquakes
All Earthquakes →Nationwide notices with similar length or severity timing 8
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 (908 characters here).
Similar severity timing
Same severity (low) notices issued closest in time to April 14, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.