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M2.1 Depth: 5.0 km

M2.1 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-03-20 18:43:23 UTC Local time: —

About this earthquake

A magnitude M2.1 earthquake was recorded near Unorganized Borough, Alaska (United States) on March 20, 2026 at 18:43 UTC. With a focal depth of about 5 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 data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 179 earthquakes, the strongest at M3.0.

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Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 km
5 km — shallower 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

  • Atka Volcanic Complex
    Distance: 6 km ·Stratovolcano(es) ·Elevation: 1'518 m ·Last eruption: 2025 ·United States
  • Koniuji
    Distance: 67 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States
  • Kasatochi
    Distance: 93 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Seguam
    Distance: 114 km ·Stratovolcano(es) ·Elevation: 1'054 m ·Last eruption: 1993 ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 137 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States
  • Moffett
    Distance: 181 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States

Historic earthquake map · United States

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Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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