United States · Alaska

M3.0 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-08-28 01:17:32 UTC Local time: —

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About this earthquake

On August 28, 2026 at 01:17 UTC, a magnitude M3.0 earthquake occurred near Unorganized Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 13 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 176 earthquakes, the strongest at M4.6.

Depth profile

Depth profile Depth: 13.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 13.3 km
Shallow
13.3 km
13.3 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: 173 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Distance: 444 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Distance: 478 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Distance: 484 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Rampart AirportUnited States · RMP · PFMP
    9.3 kmStraight-line distance
  • Minto Al Wright AirportUnited States · MNT
    45.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-10

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 ≥ 3.0 · 653 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.

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