M 3.6 Earthquake Recorded 81 km South of McCarthy, Alaska

Earthquakes low USGS · · Alaska

A minor 3.6 magnitude earthquake occurred south of McCarthy, Alaska, on February 16, 2026. The shallow event was recorded at a depth of 0.4 kilometers.

What Happened

A minor earthquake with a magnitude of 3.6 ml occurred on February 16, 2026, at 13:49:29 UTC. The seismic event was centered approximately 81 kilometers (50 miles) south of McCarthy, Alaska. According to the U.S. Geological Survey (USGS), the earthquake occurred at an extremely shallow depth of 0.4 kilometers.

Location Details

The earthquake’s epicenter was located at coordinates 60.713°N and 143.155°W. The depth of 0.4 km is classified as shallow; in seismology, any event occurring at a depth of less than 70 km is considered shallow, though this specific event occurred very close to the surface.

Impact Assessment

There is currently no tsunami advisory, watch, or warning in effect following this event. At the time of reporting, no felt reports have been submitted to the USGS, and there are no reports of damage or injuries. Based on the magnitude of 3.6, this event is classified as a minor earthquake.

What You Should Know

Earthquakes with magnitudes between 2.5 and 3.9 are classified as minor. While they are often felt by residents near the epicenter, they rarely cause damage to buildings or infrastructure. Residents in the region should be aware that aftershocks are possible following seismic activity, though they are typically lower in magnitude than the initial event.

Source

Information provided by the USGS Earthquake Hazards Program.

Source: USGS Official Notice