United States · Alaska

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

UTC time: 2026-09-18 18:42:57 UTC Local time:

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About this earthquake

On September 18, 2026 at 18:42 UTC, a magnitude M1.8 earthquake occurred near Denali Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 0 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 185 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

ID
deff6e4a588f749f7e9fc2005badf848899d6ca0
Magnitude
M1.8
Depth
0.3 km
UTC time
2026-09-18 18:42:57 UTC
Local time
Country
State
Source
usgs
Coordinates
63.24100, -151.17800
Temperature
-9.8°C

Depth profile

Depth profile Depth: 0.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.3 km
Shallow
0.3 km
0.3 km — shallower 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

  • Distance: 163 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Distance: 189 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Distance: 223 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Distance: 317 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Distance: 371 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Distance: 391 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

Alaska

Context for this earthquake

18 Sep 2025 – 18 Sep 2026 · M ≥ 2.0 · 4,103 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

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

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

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