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M3.1 Depth: 8.3 km

M3.1 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-02-10 06:31:16 UTC Local time: —

About this earthquake

A magnitude M3.1 earthquake was recorded near Unorganized Borough, Alaska (United States) on February 10, 2026 at 06:31 UTC. With a focal depth of about 8 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. United States: over the past 24 hours, QuakeMap24 logged 204 earthquakes, the strongest at M3.9.

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Depth profile

Depth profile Depth: 8.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.3 km
Shallow
8.3 km
8.3 km — shallower than the regional average (15.9 km)
Regional average: 15.9 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: 241 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 301 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 340 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 427 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • St. Michael
    Distance: 439 km ·Volcanic field ·Elevation: 715 m ·United States
  • Iliamna
    Distance: 476 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·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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