M 3.7 Earthquake Strikes 46 km North of Red Dog Mine, Alaska
A minor 3.7 magnitude earthquake occurred north of Red Dog Mine, Alaska, on February 18, 2026. The seismic event was recorded at a depth of 22.3 km with no tsunami threat.
What Happened
A minor earthquake with a magnitude of 3.7 ml occurred on February 18, 2026, at 11:28:44 UTC. The seismic event was centered approximately 46 km north of Red Dog Mine, Alaska.
Location Details
The earthquake’s epicenter was located at coordinates 68.456°N and 162.707°W. The event originated at a depth of 22.3 km. According to geological standards, a depth between 20 km and 70 km is classified as an intermediate-depth earthquake.
Impact Assessment
Based on data from the U.S. Geological Survey (USGS), there were no immediate reports of the earthquake being felt by the public. There is no tsunami advisory, watch, or warning in effect following this event. The Modified Mercalli Intensity (MMI) was recorded at 2.785, which indicates very weak shaking that is typically not felt except by a few people under especially favorable conditions.
What You Should Know
Earthquakes with magnitudes between 2.5 and 3.9 are classified as “minor.” While these events are frequently recorded by seismographs, they are only occasionally felt and rarely cause any structural damage. Residents in seismic zones are encouraged to remain prepared, though significant aftershocks are less common for events of this magnitude.
Source
Information provided by the USGS Earthquake Hazards Program.
Source: USGS Official Notice