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USGSJune 28, 2026

M4.5 earthquake, 229 km ESE of Attu Station, Alaska

A magnitude 4.5 earthquake was recorded 229 km ESE of Attu Station, Alaska at a depth of 10 km, according to the U.S. Geological Survey. It was the 6,041st earthquake of magnitude 2.5 or more the USGS located in and near the U.S. in 2026, against 12,608 a year on average in 2016-2025.

M4.5

The notice

Issued by
U.S. Geological Survey
Area
229 km ESE of Attu Station, Alaska
State
Alaska
Magnitude
4.5 (body-wave magnitude)
Depth
10.0 km
Time
2026-06-28 03:18:41 UTC
Status
reviewed by a seismologist
Epicentre
51.936, 176.203
Official source
U.S. Geological Survey: the notice at its source

Warnings and earthquakes in AlaskaEarthquakes, June 2026

Source: U.S. Geological Survey: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.

The record around this notice