M 5.4 - 222 km ESE of Attu Station, Alaska

March 4, 2026 at 13:26:59 UTC

Depth: 10.00 km (Shallow)

M 5.4

Moderate

Green

PAGER Alert

Yes

Tsunami

N/A

Felt Reports

Event Details

Magnitude5.4 mww
Depth10.00 km (Shallow)
Location52.2374N, 176.3148E
Mercalli IntensityIV (Light)
Alert Level (PAGER)Green — No fatalities or damage expected
Tsunami WarningYes
Significance449 / 3000
StatusReviewed
Networkus
USGS Event PageView on USGS →

Frequently Asked Questions

What does magnitude 5.4 mean?

A magnitude 5.4 earthquake is classified as "Moderate". Moderate earthquakes can cause damage to poorly constructed buildings.

How deep was this earthquake?

This earthquake occurred at a depth of 10.00 km, classified as "Shallow". Shallow earthquakes tend to cause more damage at the surface.

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Data from the USGS Earthquake Hazards Program (ComCat). QuakeScan is not affiliated with the USGS. Event details may be updated as new data becomes available.