Skip to main content
AREAZINENotices · US CA UK AU

USGSSeptember 6, 2026

M3.4 earthquake, 156 km SW of Adak, Alaska

A magnitude 3.4 earthquake was recorded 156 km SW of Adak, Alaska at a depth of 5 km, according to the U.S. Geological Survey. It was the 8,719th 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.

M3.4

The notice

Issued by
U.S. Geological Survey
Area
156 km SW of Adak, Alaska
State
Alaska
Magnitude
3.4 (local magnitude)
Depth
5.0 km
Time
2026-09-06 23:32:42 UTC
Status
reviewed by a seismologist
Epicentre
51.017, -178.417
Official source
U.S. Geological Survey: the notice at its source

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.