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United States · Alaska

M3.8 Earthquake near Alaska (United States)

UTC time: 2026-09-17 14:39:42 UTC Local time: —

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About this earthquake

On September 17, 2026 at 14:39 UTC, a magnitude M3.8 earthquake occurred near Alaska (United States). At around 109 km, the focal depth places this among intermediate-depth events. Shaking of this size is frequently noticed but usually harmless.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 170 earthquakes, the strongest at M6.5.

Details

ID
613d85640522be645105087a3d084e2f2cdc6dfc
Magnitude
M3.8
Depth
108.9 km
UTC time
2026-09-17 14:39:42 UTC
Local time
—
Country
United States
State
Alaska
City
Alaska
Source
usgs
Coordinates
52.37200, -171.18600
Temperature
9.6°C

Depth profile

Depth profile Depth: 108.9 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 108.9 km
Intermediate
108.9 km
108.9 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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

  • Amukta
    Distance: 15 km ·Stratovolcano ·Elevation: 1'066 m ·Last eruption: 1996 ·United States
  • Chagulak
    Distance: 22 km ·Stratovolcano ·Elevation: 1'028 m ·United States
  • Yunaska
    Distance: 48 km ·Shield ·Elevation: 550 m ·Last eruption: 1937 ·United States
  • Herbert
    Distance: 84 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Seguam
    Distance: 90 km ·Stratovolcano(es) ·Elevation: 1'054 m ·Last eruption: 1993 ·United States
  • Carlisle
    Distance: 96 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States

Alaska

Context for this earthquake

17 Sep 2025 – 17 Sep 2026 · M ≥ 3.0 · 654 Catalogue entries

Of 653 other entries for this area and period, 198 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

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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