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M1.8 Depth: 12.7 km

M1.8 Earthquake near 5 km SE of Mentasta Lake, Alaska (United States)

UTC time: 2025-09-27 15:07:16 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 5 km SE of Mentasta Lake, Alaska (United States) on September 27, 2025 at 15:07 UTC. With a focal depth of about 13 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 162 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude
M1.8
Depth
12.7 km
UTC time
2025-09-27 15:07:16 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.88910, -143.68560
Temperature
-1.1°C

Map

Depth profile

Depth profile Depth: 12.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 12.7 km
Shallow
12.7 km
12.7 km — close to the regional average (15.4 km)
Regional average: 15.4 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

  • Wrangell
    Distance: 100 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Churchill
    Distance: 196 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Buzzard Creek
    Distance: 269 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Fort Selkirk
    Distance: 319 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Hayes
    Distance: 472 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 479 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States

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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