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United States · Alaska

M3.7 Earthquake near Aleutians East Borough, Alaska (United States)

UTC time: 2026-10-17 16:34:57 UTC Local time: —
Magnitude
M3.7
Depth
141.8 km
Source
USGS

Alaska · Aleutians East Borough

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About this earthquake

A magnitude M3.7 earthquake was recorded near Aleutians East Borough, Alaska (United States) on October 17, 2026 at 16:34 UTC. The earthquake originated at an intermediate depth of about 142 km. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS. United States: 158 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Depth profile

Depth profile Depth: 141.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 141.8 km
Intermediate
141.8 km
141.8 km — deeper than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Shishaldin ADVISORY · YELLOW
    Distance: 17 km ·Stratovolcano ·Elevation: 2'857 m ·Last eruption: 2023 ·United States
  • Roundtop
    Distance: 23 km ·Stratovolcano ·Elevation: 1'871 m ·Last eruption: -7600 ·United States
  • Fisher
    Distance: 40 km ·Stratovolcano ·Elevation: 1'112 m ·Last eruption: 1830 ·United States
  • Westdahl
    Distance: 56 km ·Stratovolcano? ·Elevation: 1'563 m ·Last eruption: 1992 ·United States
  • Frosty
    Distance: 79 km ·Stratovolcano(es) ·Elevation: 1'728 m ·United States
  • Amak
    Distance: 97 km ·Stratovolcano ·Elevation: 547 m ·Last eruption: 1796 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • False Pass AirportUnited States · KFP · PAKF
    34.9 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Alaska

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 653 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · United States

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

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

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