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M1.6 Depth: 7.6 km

M1.6 Earthquake near 25 km W of Anderson, Alaska (United States)

UTC time: 2025-10-31 03:09:04 UTC Local time: —

About this earthquake

A magnitude M1.6 earthquake was recorded near 25 km W of Anderson, Alaska (United States) on October 31, 2025 at 03:09 UTC. The hypocenter lay relatively close to the surface at around 8 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 172 earthquakes, the strongest at M3.6.

Details

Magnitude
M1.6
Depth
7.6 km
UTC time
2025-10-31 03:09:04 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
64.32940, -149.71980
Temperature
-2.5°C

Map

Depth profile

Depth profile Depth: 7.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.6 km
Shallow
7.6 km
7.6 km — shallower than the regional average (15.5 km)
Regional average: 15.5 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

  • Buzzard Creek
    Distance: 69 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 328 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 361 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Wrangell
    Distance: 385 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 455 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·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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