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United States

M2.6 Earthquake near 3 km NNW of Tonsina, Alaska (United States)

UTC time: 2025-04-23 10:00:37 UTC Local time: —

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About this earthquake

A magnitude M2.6 earthquake was recorded near 3 km NNW of Tonsina, Alaska (United States) on April 23, 2025 at 10:00 UTC. The earthquake originated at an intermediate depth of about 250 km. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 146 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
0c1b9f8cfa1b19e43ffbcf1807ea24e3da2f7a1a
Magnitude
M2.6
Depth
249.9 km
UTC time
2025-04-23 10:00:37 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
61.68920, -145.20300
Temperature
6.8°C

Depth profile

Depth profile Depth: 249.9 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 249.9 km
Intermediate
249.9 km
249.9 km — deeper than the regional average (15.3 km)
Regional average: 15.3 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Wrangell
    Distance: 72 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Churchill
    Distance: 186 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Buzzard Creek
    Distance: 310 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Spurr
    Distance: 376 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 380 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 427 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States

United States

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 2.0 · 11,559 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

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Country statistics · United States

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