M 3.6 Minor Earthquake Strikes Near Susitna, Alaska

What Happened

A minor earthquake with a magnitude of 3.6 ml was recorded on March 18, 2026, at 16:30:38 UTC. The event occurred approximately 15 km west-northwest of Susitna, Alaska, and was automatically processed by the USGS seismic network.

Location Details

The seismic activity was centered at coordinates 61.614°N and 150.763°W. The earthquake originated at a depth of 69.7 km. This is classified as an intermediate-depth earthquake (20-70 km), which generally results in less intense shaking at the surface compared to shallower events of a similar magnitude.

Impact Assessment

At the time of reporting, there are no felt reports associated with this event. There is no tsunami advisory, watch, or threat in effect (tsunami: 0). No alert level color has been assigned to this event, and there are no reports of damage or injuries.

What You Should Know

Earthquakes with magnitudes between 2.5 and 3.9 are classified as minor. While these events are often felt by residents near the epicenter, they rarely cause structural damage. Residents in the region should be aware that routine seismic activity can include aftershocks, though they are typically smaller than the initial event.

Source

Data provided by the USGS Earthquake Hazards Program.