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5.3Moderate

M 5.3 - 227 km ESE of Attu Station, Alaska

227 km ESE of Attu Station, Alaska

March 3, 2026 at 8:46 AM UTC

Alaska Earthquakes

Seismic Data

Magnitude
M5.3
Moderate
Depth
10.0 km
below surface
Coordinates
52.3183ยฐN, 176.4354ยฐE
epicenter
Shakemap MMI
4.3
Modified Mercalli Intensity

About This Earthquake

This was a moderate earthquake registering M5.3 on the moment magnitude scale. It struck at 227 km ESE of Attu Station, Alaska at a depth of 10.0 km below the surface.

The earthquake occurred on March 3, 2026 at 8:46 AM UTC. View the full USGS event page for detailed waveform data, station information, and ShakeMap products: USGS Event us7000s1jn.

Frequently Asked Questions

How strong was the 227 km ESE of Attu Station, Alaska earthquake?

This was a moderate earthquake with a magnitude of 5.3. Earthquakes of this magnitude can cause minor to moderate damage.

Where was the 227 km ESE of Attu Station, Alaska earthquake felt?

The earthquake occurred at 227 km ESE of Attu Station, Alaska at a depth of 10.0 km. This event occurred in or near Alaska.

M5.3 Moderate Earthquake - 227 km ESE of Attu Station, Alaska | USGS