- Depth
- 18.8 km
- Source
- USGS
Alaska · North Slope Borough
Country overviewAlaska · North Slope Borough
Country overviewOn September 11, 2026 at 07:06 UTC, a magnitude M2.4 earthquake occurred near North Slope Borough, Alaska (United States). With a focal depth of about 19 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 229 earthquakes, the strongest at M4.3.
Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.
Depth classes per USGS
Alaska
11 Sep 2025 – 11 Sep 2026 · M ≥ 2.0 · 4,101 Catalogue entries
Of 4,100 other entries for this area and period, 1,634 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.
Open seismic profile