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M1.9 Depth: 8.3 km

M1.9 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-07-21 05:46:30 UTC Local time: —

About this earthquake

A magnitude M1.9 earthquake was recorded near Unorganized Borough, Alaska (United States) on July 21, 2026 at 05:46 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: 179 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

Map

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 (15.6 km)
Regional average: 15.6 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: 86 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Wrangell
    Distance: 202 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Alligator Lake
    Distance: 338 km ·Volcanic field ·Elevation: 2'217 m ·Canada
  • Fort Selkirk
    Distance: 340 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Atlin Volcanic Field
    Distance: 466 km ·Pyroclastic cone(s) ·Elevation: 1'880 m ·Canada

Historic earthquake map · United States

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Country statistics · United States

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

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