M 3.8 Minor Earthquake Strikes 111 km NE of Wiseman, Alaska
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A magnitude 3.8 earthquake occurred at a depth of 226.4 km near Wiseman, Alaska, on March 23, 2026. No shaking was reported due to the event's significant depth.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on April 5, 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 minor earthquake with a magnitude of 3.8 ml was recorded 111 km northeast of Wiseman, Alaska. The event occurred on March 23, 2026, at 00:50:29 UTC (March 22, 2026, at 4:50 PM local time). The seismic event was automatically recorded by the USGS.
Location Details
The earthquake was centered at coordinates 68.227°N, 148.603°W. It originated at a depth of 226.4 km. This is classified as a deep earthquake, as it occurred well below the 70 km threshold. Deep earthquakes are typically felt over a wider area but result in less intense surface shaking compared to shallow earthquakes of the same magnitude.
Impact Assessment
The USGS assigned the event a Maximum Modified Mercalli Intensity (MMI) of 1, indicating that shaking was likely not felt by the population. There have been no felt reports submitted by the public, and no tsunami advisories, watches, or warnings are in effect. No damage or injuries are expected from an event of this magnitude and depth.
What You Should Know
Earthquakes with magnitudes between 2.5 and 3.9 are considered minor. They are common in seismically active regions like Alaska and rarely cause damage. Residents are reminded that while this event was deep and likely not felt, it is always important to be prepared for seismic activity by securing heavy furniture and having an emergency plan in place.
Source
Data provided by the USGS Earthquake Hazards Program.
Original source: USGS Official Notice ↗
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