4.5Light

M 4.5 - 270 km ESE of Attu Station, Alaska

270 km ESE of Attu Station, Alaska

March 5, 2026 at 4:39 AM UTC

Alaska Earthquakes

Seismic Data

Magnitude
M4.5
Light
Depth
5.8 km
below surface
Coordinates
52.1259ยฐN, 176.9837ยฐE
epicenter
Shakemap MMI
2.8
Modified Mercalli Intensity

About This Earthquake

This was a light earthquake registering M4.5 on the moment magnitude scale. It struck at 270 km ESE of Attu Station, Alaska at a depth of 5.8 km below the surface.

The earthquake occurred on March 5, 2026 at 4:39 AM UTC. View the full USGS event page for detailed waveform data, station information, and ShakeMap products: USGS Event us7000s22b.

Frequently Asked Questions

How strong was the 270 km ESE of Attu Station, Alaska earthquake?

This was a light earthquake with a magnitude of 4.5. Earthquakes of this magnitude are felt by many but usually cause little damage.

Where was the 270 km ESE of Attu Station, Alaska earthquake felt?

The earthquake occurred at 270 km ESE of Attu Station, Alaska at a depth of 5.8 km. This event occurred in or near Alaska.

M4.5 Light Earthquake - 270 km ESE of Attu Station, Alaska | USGS