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M1.1 Depth: 11.6 km

M1.1 Earthquake near Aleutians East Borough, Alaska (United States)

UTC time: 2026-07-31 01:40:09 UTC Local time: —

About this earthquake

A magnitude M1.1 earthquake was recorded near Aleutians East Borough, Alaska (United States) on July 31, 2026 at 01:40 UTC. With a focal depth of about 12 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 163 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Map

Depth profile

Depth profile Depth: 11.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11.6 km
Shallow
11.6 km
11.6 km — shallower than the regional average (15.5 km)
Regional average: 15.5 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Stepovak Bay Group
    Distance: 12 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Kupreanof ADVISORY · YELLOW
    Distance: 15 km ·Stratovolcano ·Elevation: 1'895 m ·United States
  • Veniaminof
    Distance: 43 km ·Stratovolcano ·Elevation: 2'507 m ·Last eruption: 2021 ·United States
  • Dana
    Distance: 90 km ·Stratovolcano ·Elevation: 1'354 m ·Last eruption: -1890 ·United States
  • Black Peak
    Distance: 99 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Pavlof Sister
    Distance: 135 km ·Stratovolcano ·Elevation: 2'142 m ·United States

Historic earthquake map · United States

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Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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