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M1.9 Earthquake near 47 km SE of Ugashik, Alaska (United States)

UTC time: 2025-09-30 06:38:29 UTC Local time: —

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About this earthquake

On September 30, 2025 at 06:38 UTC, a magnitude M1.9 earthquake occurred near 47 km SE of Ugashik, Alaska (United States). With a focal depth of about 7 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: 186 earthquakes were recorded in the past 24 hours, the strongest reaching M4.5.

Details

ID
faa4c74a0e3ca389e401c88becc2065c8d9b32e2
Magnitude
M1.9
Depth
7.1 km
UTC time
2025-09-30 06:38:29 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
57.18190, -156.90350
Temperature
5.3°C

Depth profile

Depth profile Depth: 7.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.1 km
Shallow
7.1 km
7.1 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: 7 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·United States
  • Kialagvik
    Distance: 10 km ·Stratovolcano ·Elevation: 1'677 m ·United States
  • Yantarni
    Distance: 25 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States
  • Ugashik-Peulik
    Distance: 71 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Ukinrek Maars
    Distance: 76 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Aniakchak
    Distance: 84 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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Historic earthquake map · United States

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