Back to map
M2.8 Depth: 9.9 km

M2.8 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-08-25 16:21:30 UTC Local time: —

About this earthquake

A magnitude M2.8 earthquake was recorded near Unorganized Borough, Alaska (United States) on August 25, 2026 at 16:21 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 199 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Map

Depth profile

Depth profile Depth: 9.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.9 km
Shallow
9.9 km
9.9 km — shallower than the regional average (15.3 km)
Regional average: 15.3 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

  • Wrangell
    Distance: 266 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Spurr
    Distance: 278 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 287 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Hayes
    Distance: 302 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Iliamna
    Distance: 309 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Churchill
    Distance: 334 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States

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.

Share