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M3.8 Depth: 7.2 km

M3.8 Earthquake near 109 km NNW of Aleknagik, Alaska (United States)

UTC time: 2025-09-27 06:38:59 UTC Local time: —

About this earthquake

On September 27, 2025 at 06:38 UTC, a magnitude M3.8 earthquake occurred near 109 km NNW of Aleknagik, Alaska (United States). With a focal depth of about 7 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 data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 166 earthquakes, the strongest at M3.7.

Details

Magnitude
M3.8
Depth
7.2 km
UTC time
2025-09-27 06:38:59 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
60.23360, -159.03980
Temperature
-0.1°C

Map

Depth profile

Depth profile Depth: 7.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.2 km
Shallow
7.2 km
7.2 km — shallower 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

  • Ukinrek Maars
    Distance: 303 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Griggs
    Distance: 306 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States
  • Martin
    Distance: 310 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Novarupta
    Distance: 311 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States
  • Mageik
    Distance: 313 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Trident
    Distance: 315 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·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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