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United States · Alaska

M2.5 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-08-20 15:02:37 UTC Local time: —

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About this earthquake

On August 20, 2026 at 15:02 UTC, a magnitude M2.5 earthquake occurred near Unorganized Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by EMSC and cross-checked across seismological networks. United States: 186 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (15.2 km)
Regional average: 15.2 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

  • Alligator Lake
    Distance: 166 km ·Volcanic field ·Elevation: 2'217 m ·Canada
  • Atlin Volcanic Field
    Distance: 187 km ·Pyroclastic cone(s) ·Elevation: 1'880 m ·Canada
  • Edgecumbe
    Distance: 220 km ·Volcanic field ·Elevation: 970 m ·Last eruption: -2080 ·United States
  • Heart Peaks
    Distance: 256 km ·Shield ·Elevation: 2'012 m ·Canada
  • Level Mountain
    Distance: 296 km ·Shield ·Elevation: 2'164 m ·Canada
  • Tuya Volcanic Field
    Distance: 331 km ·Volcanic field ·Elevation: 2'123 m ·Canada

Alaska

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 4,148 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · United States

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Country statistics · United States

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