United States · Alaska

M2.1 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-10-17 08:30:23 UTC Local time: —

Map

About this earthquake

A magnitude M2.1 earthquake was recorded near Unorganized Borough, Alaska (United States) on October 17, 2026 at 08:30 UTC. The hypocenter lay relatively close to the surface at around 14 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 138 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Depth profile

Depth profile Depth: 14.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14.4 km
Shallow
14.4 km
14.4 km — close to 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

  • Distance: 187 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Distance: 208 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Distance: 403 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Distance: 421 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Distance: 423 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Distance: 443 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Merle K (Mudhole) Smith AirportUnited States · CDV · PACV
    26.6 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

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

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

Share