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M4.0 Depth: 224.6 km

M4.0 Earthquake near ANDREANOF ISLANDS, ALEUTIAN IS. (United States)

UTC time: 2025-09-13 03:30:42 UTC Local time: —

About this earthquake

A magnitude M4.0 earthquake was recorded near ANDREANOF ISLANDS, ALEUTIAN IS. (United States) on September 13, 2025 at 03:30 UTC. At around 225 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by EMSC and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 177 earthquakes, the strongest at M3.9.

Details

Magnitude
M4.0
Depth
224.6 km
UTC time
2025-09-13 03:30:42 UTC
Local time
—
Country
United States
City
Alaska
Source
emsc
Coordinates
52.35060, -175.22730
Temperature
9.1°C

Map

Depth profile

Depth profile Depth: 224.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 224.6 km
Intermediate
224.6 km
224.6 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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

  • Koniuji
    Distance: 16 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States
  • Kasatochi
    Distance: 27 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 69 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States
  • Atka Volcanic Complex
    Distance: 74 km ·Stratovolcano(es) ·Elevation: 1'518 m ·Last eruption: 2025 ·United States
  • Moffett
    Distance: 113 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States
  • Kanaga
    Distance: 141 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States

Historic earthquake map · United States

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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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