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United States · Alaska

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

UTC time: 2026-09-15 07:50:18 UTC Local time: —

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About this earthquake

A magnitude M2.3 earthquake was recorded near North Slope Borough, Alaska (United States) on September 15, 2026 at 07:50 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: 178 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

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

15 Sep 2025 – 15 Sep 2026 · M ≥ 2.0 · 4,094 Catalogue entries

Of 4,093 other entries for this area and period, 1,957 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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