Back to map
United States · Alaska

M2.8 Earthquake near Northwest Arctic Borough, Alaska (United States)

UTC time: 2026-10-20 06:07:18 UTC Local time: —
Magnitude
M2.8
Depth
5.0 km
Source
USGS

Alaska · Northwest Arctic Borough

Country overview

Map

About this earthquake

A magnitude M2.8 earthquake was recorded near Northwest Arctic Borough, Alaska (United States) on October 20, 2026 at 06:07 UTC. 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 data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 138 earthquakes, the strongest at M4.5.

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 (15.3 km)
Regional average: 15.3 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: 251 km ·Volcanic field ·Elevation: 610 m ·Last eruption: 300 ·United States
  • St. Michael
    Distance: 475 km ·Volcanic field ·Elevation: 715 m ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Noatak AirportUnited States · WTK · PAWN
    36.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

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.

Open seismic profile

Historic earthquake map · United States

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

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

Share