M 3.3 Earthquake Strikes Near Chickaloon, Alaska

Earthquakes low USGS · · Alaska

A minor 3.3 magnitude earthquake was recorded 43 km north of Chickaloon, Alaska, on February 18, 2026, at a depth of 26 kilometers.

What Happened

A minor earthquake with a magnitude of 3.3 ml occurred on February 18, 2026, at 10:30:16 UTC. The seismic event was automatically detected and recorded by the U.S. Geological Survey (USGS).

Location Details

The earthquake’s epicenter was situated at coordinates 62.181°N and 148.6°W, approximately 43 km north of Chickaloon, Alaska. The event originated at a depth of 26 km. In geological terms, this is considered an intermediate-depth earthquake, as it occurred within the 20-70 km range.

Impact Assessment

Based on current data, there have been no felt reports submitted for this event. There is no tsunami advisory, watch, or warning in effect (tsunami status: 0). The Modified Mercalli Intensity (MMI) was calculated at 2.957, indicating very weak shaking at the epicenter. No specific alert level color was issued for this event.

What You Should Know

Earthquakes with a magnitude between 2.5 and 3.9 are classified as minor. While they are often felt by people near the epicenter, they rarely cause structural damage. Residents in the region should be aware that aftershocks are a possibility following any seismic activity, though they are typically smaller than the initial event.

Source

Data and attribution provided by the USGS Earthquake Hazards Program.

Source: USGS Official Notice