Back to map
M1.6 Depth: 4.2 km

M1.6 Earthquake near 31 km NW of Mentasta Lake, Alaska (United States)

UTC time: 2025-10-20 01:26:45 UTC Local time: —

About this earthquake

A magnitude M1.6 earthquake was recorded near 31 km NW of Mentasta Lake, Alaska (United States) on October 20, 2025 at 01:26 UTC. The hypocenter lay relatively close to the surface at around 4 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 200 earthquakes, the strongest at M4.7.

Details

Magnitude
M1.6
Depth
4.2 km
UTC time
2025-10-20 01:26:45 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
63.09350, -144.27120
Temperature
-1.3°C

Map

Depth profile

Depth profile Depth: 4.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4.2 km
Shallow
4.2 km
4.2 km — shallower than 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: 122 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Churchill
    Distance: 231 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Buzzard Creek
    Distance: 232 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Fort Selkirk
    Distance: 348 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Hayes
    Distance: 449 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 459 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States

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.

Share