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United States

M3.5 Earthquake near FOX ISLANDS, ALEUTIAN ISLANDS (United States)

UTC time: 2025-04-22 22:55:04 UTC Local time: —

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About this earthquake

On April 22, 2025 at 22:55 UTC, a magnitude M3.5 earthquake occurred near FOX ISLANDS, ALEUTIAN ISLANDS (United States). With a focal depth of about 26 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. United States: over the past 24 hours, QuakeMap24 logged 146 earthquakes, the strongest at M4.0.

Details

ID
70274505467526bd58a4dfbbe9309fb24b5d99e3
Magnitude
M3.5
Depth
25.5 km
UTC time
2025-04-22 22:55:04 UTC
Local time
—
Country
United States
Source
emsc
Coordinates
51.80200, -171.62410
Temperature
5.2°C

Depth profile

Depth profile Depth: 25.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 25.5 km
Shallow
25.5 km
25.5 km — deeper than the regional average (15.3 km)
Regional average: 15.3 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

  • Amukta
    Distance: 82 km ·Stratovolcano ·Elevation: 1'066 m ·Last eruption: 1996 ·United States
  • Seguam
    Distance: 83 km ·Stratovolcano(es) ·Elevation: 1'054 m ·Last eruption: 1993 ·United States
  • Chagulak
    Distance: 92 km ·Stratovolcano ·Elevation: 1'028 m ·United States
  • Yunaska
    Distance: 115 km ·Shield ·Elevation: 550 m ·Last eruption: 1937 ·United States
  • Herbert
    Distance: 147 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Cleveland
    Distance: 161 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States

United States

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 3.0 · 1,427 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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View earthquake KPIs, strongest and latest events, and averages for this country.

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