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United States · Alaska

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

UTC time: 2026-08-22 21:33:36 UTC Local time: —
Magnitude
M2.5
Depth
11.8 km
Source
USGS

Alaska · Northwest Arctic Borough

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About this earthquake

On August 22, 2026 at 21:33 UTC, a magnitude M2.5 earthquake occurred near Northwest Arctic Borough, Alaska (United States). With a focal depth of about 12 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 179 earthquakes, the strongest at M4.1.

Depth profile

Depth profile Depth: 11.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11.8 km
Shallow
11.8 km
11.8 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

  • Imuruk Lake
    Distance: 371 km ·Volcanic field ·Elevation: 610 m ·Last eruption: 300 ·United States

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

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