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M2.2 Depth: 34.8 km

M2.2 Earthquake near 39 km SSE of Ugashik, Alaska (United States)

UTC time: 2025-10-09 05:21:31 UTC Local time: —

About this earthquake

On October 9, 2025 at 05:21 UTC, a magnitude M2.2 earthquake occurred near 39 km SSE of Ugashik, Alaska (United States). With a focal depth of about 35 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: 185 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

Magnitude
M2.2
Depth
34.8 km
UTC time
2025-10-09 05:21:31 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
57.18110, -157.16170
Temperature
7.3°C

Map

Depth profile

Depth profile Depth: 34.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 34.8 km
Shallow
34.8 km
34.8 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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: 12 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·United States
  • Yantarni
    Distance: 18 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States
  • Kialagvik
    Distance: 25 km ·Stratovolcano ·Elevation: 1'677 m ·United States
  • Aniakchak
    Distance: 70 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
  • Ugashik-Peulik
    Distance: 79 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Ukinrek Maars
    Distance: 82 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States

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.

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