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United States · Alaska

M1.7 Earthquake near Alaska (United States)

UTC time: 2026-10-18 20:03:21 UTC Local time: —

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About this earthquake

A magnitude M1.7 earthquake was recorded near Alaska (United States) on October 18, 2026 at 20:03 UTC. The hypocenter lay relatively close to the surface at around 66 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 176 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

Details

ID
de7ce99b70988fcbfae3a1ca8dfd08c98e1085c2
Magnitude
M1.7
Depth
65.5 km
UTC time
2026-10-18 20:03:21 UTC
Local time
—
Country
United States
State
Alaska
City
Alaska
Source
usgs
Coordinates
57.79600, -154.75400
Temperature
3.2°C

Depth profile

Depth profile Depth: 65.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 65.5 km
Shallow
65.5 km
65.5 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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

  • Alaska Peninsula Arc at 155.4°W
    Distance: 40 km ·Lava dome ·Elevation: 402 m ·United States
  • Trident
    Distance: 53 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Mageik
    Distance: 53 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Katmai
    Distance: 55 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Martin
    Distance: 55 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Novarupta
    Distance: 57 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Karluk AirportUnited States · KYK · PAKY
    31.2 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 ≥ 2.0 · 4,148 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

Open history map
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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