M1.9 Depth: 5.4 km

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

UTC time: 2026-08-23 06:33:04 UTC Local time:

About this earthquake

A magnitude M1.9 earthquake was recorded near Unorganized Borough, Alaska (United States) on August 23, 2026 at 06:33 UTC. The hypocenter lay relatively close to the surface at around 5 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: over the past 24 hours, QuakeMap24 logged 171 earthquakes, the strongest at M4.1.

Map

Depth profile

Depth profile Depth: 5.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5.4 km
Shallow
5.4 km
5.4 km — shallower than the regional average (15.4 km)
Regional average: 15.4 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: 42 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Wrangell
    Distance: 163 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Fort Selkirk
    Distance: 244 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Alligator Lake
    Distance: 329 km ·Volcanic field ·Elevation: 2'217 m ·Canada
  • Buzzard Creek
    Distance: 466 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Atlin Volcanic Field
    Distance: 467 km ·Pyroclastic cone(s) ·Elevation: 1'880 m ·Canada

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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