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United States · Alaska

M1.8 Earthquake near Denali Borough, Alaska (United States)

UTC time: 2026-09-18 07:13:35 UTC Local time: —

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About this earthquake

A magnitude M1.8 earthquake was recorded near Denali Borough, Alaska (United States) on September 18, 2026 at 07:13 UTC. The earthquake originated at an intermediate depth of about 109 km. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 189 earthquakes, the strongest at M3.0.

Details

ID
fe393b0d5b8081820f950f9790a1ed952892552f
Magnitude
M1.8
Depth
108.7 km
UTC time
2026-09-18 07:13:35 UTC
Local time
—
Country
United States
State
Alaska
City
Denali Borough
County
Denali Borough
Source
usgs
Coordinates
63.37900, -149.62900
Temperature
-1.3°C

Depth profile

Depth profile Depth: 108.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 108.7 km
Intermediate
108.7 km
108.7 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

  • Buzzard Creek
    Distance: 96 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 240 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 268 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Wrangell
    Distance: 324 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 361 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 414 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States

Alaska

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 2.0 · 4,119 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

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