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United States · Alaska

M1.7 Earthquake near Denali Borough, Alaska (United States)

UTC time: 2026-10-20 23:31:45 UTC Local time: —

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About this earthquake

On October 20, 2026 at 23:31 UTC, a magnitude M1.7 earthquake occurred near Denali Borough, Alaska (United States). The earthquake originated at an intermediate depth of about 117 km. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 148 earthquakes were recorded in the past 24 hours, the strongest reaching M5.3.

Details

ID
a0a1f3923c0509b22947af32a465e3b145f6efe9
Magnitude
M1.7
Depth
117.3 km
UTC time
2026-10-20 23:31:45 UTC
Local time
—
Country
United States
State
Alaska
City
Denali Borough
County
Denali Borough
Source
usgs
Coordinates
63.12700, -150.51900
Temperature
-7.7°C

Depth profile

Depth profile Depth: 117.3 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 117.3 km
Intermediate
117.3 km
117.3 km — deeper than the regional average (15.3 km)
Regional average: 15.3 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

  • Buzzard Creek
    Distance: 146 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 192 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 222 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 316 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Wrangell
    Distance: 355 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Iliamna
    Distance: 370 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States

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

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Country statistics · United States

Country overview
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