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M2.4 Earthquake near 48 km SE of Ugashik, Alaska (United States)

UTC time: 2025-09-27 12:33:02 UTC Local time: —

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About this earthquake

A magnitude M2.4 earthquake was recorded near 48 km SE of Ugashik, Alaska (United States) on September 27, 2025 at 12:33 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 186 earthquakes were recorded in the past 24 hours, the strongest reaching M4.5.

Details

ID
ea38f043f5a572f1c3117c1099c61274bca9fa28
Magnitude
M2.4
Depth
9.9 km
UTC time
2025-09-27 12:33:02 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
57.15770, -156.92760
Temperature
1.8°C

Depth profile

Depth profile Depth: 9.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.9 km
Shallow
9.9 km
9.9 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

Volcanoes nearby

  • Chiginagak
    Distance: 5 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·United States
  • Kialagvik
    Distance: 12 km ·Stratovolcano ·Elevation: 1'677 m ·United States
  • Yantarni
    Distance: 22 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States
  • Ugashik-Peulik
    Distance: 74 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Ukinrek Maars
    Distance: 79 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Aniakchak
    Distance: 81 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States

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.

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