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M1.6 Depth: 10.1 km

M1.6 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-04-28 06:11:18 UTC Local time: —

About this earthquake

A magnitude M1.6 earthquake was recorded near Unorganized Borough, Alaska (United States) on April 28, 2026 at 06:11 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 163 earthquakes, the strongest at M3.6.

Map

Depth profile

Depth profile Depth: 10.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.1 km
Shallow
10.1 km
10.1 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

  • Churchill
    Distance: 43 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Wrangell
    Distance: 162 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Fort Selkirk
    Distance: 242 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Alligator Lake
    Distance: 330 km ·Volcanic field ·Elevation: 2'217 m ·Canada
  • Buzzard Creek
    Distance: 464 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Atlin Volcanic Field
    Distance: 468 km ·Pyroclastic cone(s) ·Elevation: 1'880 m ·Canada

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.

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