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United States · Alaska

M2.3 Earthquake near North Slope Borough, Alaska (United States)

UTC time: 2026-09-12 14:19:50 UTC Local time: —

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About this earthquake

On September 12, 2026 at 14:19 UTC, a magnitude M2.3 earthquake occurred near North Slope Borough, Alaska (United States). With a focal depth of about 5 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 276 earthquakes, the strongest at M3.9.

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 km
5 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

Alaska

Context for this earthquake

12 Sep 2025 – 12 Sep 2026 · M ≥ 2.0 · 4,106 Catalogue entries

Of 4,105 other entries for this area and period, 1,971 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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