M3.1 Depth: 57.0 km

M3.1 Earthquake near Alaska (United States)

UTC time: 2026-02-21 15:33:58 UTC Local time:

About this earthquake

A magnitude M3.1 earthquake was recorded near Alaska (United States) on February 21, 2026 at 15:33 UTC. With a focal depth of about 57 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 ISC. United States: 180 earthquakes were recorded in the past 24 hours, the strongest reaching M5.8.

Details

Magnitude
M3.1
Depth
57.0 km
UTC time
2026-02-21 15:33:58 UTC
Local time
Country
State
City
Source
isc
Coordinates
57.30500, -154.98800
Temperature
-6.8°C

Map

Depth profile

Depth profile Depth: 57 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 57 km
Shallow
57 km
57 km — deeper than the regional average (15.8 km)
Regional average: 15.8 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

  • Alaska Peninsula Arc at 155.4°W
    Distance: 68 km ·Lava dome ·Elevation: 402 m ·United States
  • Ugashik-Peulik
    Distance: 96 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Martin
    Distance: 99 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 100 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Trident
    Distance: 104 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Kialagvik
    Distance: 106 km ·Stratovolcano ·Elevation: 1'677 m ·United States

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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