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M3.8 Depth: 18.8 km

M3.8 Earthquake near 54 km SE of Atka, Alaska (United States)

UTC time: 2025-09-14 17:38:06 UTC Local time: —

About this earthquake

On September 14, 2025 at 17:38 UTC, a magnitude M3.8 earthquake occurred near 54 km SE of Atka, Alaska (United States). With a focal depth of about 19 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 174 earthquakes, the strongest at M3.9.

Details

Magnitude
M3.8
Depth
18.8 km
UTC time
2025-09-14 17:38:06 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
51.85020, -173.64620
Temperature
8.2°C

Map

Depth profile

Depth profile Depth: 18.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 18.8 km
Shallow
18.8 km
18.8 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

  • Atka Volcanic Complex
    Distance: 63 km ·Stratovolcano(es) ·Elevation: 1'518 m ·Last eruption: 2025 ·United States
  • Seguam
    Distance: 93 km ·Stratovolcano(es) ·Elevation: 1'054 m ·Last eruption: 1993 ·United States
  • Koniuji
    Distance: 110 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States
  • Kasatochi
    Distance: 132 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 172 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States
  • Amukta
    Distance: 179 km ·Stratovolcano ·Elevation: 1'066 m ·Last eruption: 1996 ·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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