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M2.1 Depth: 32.0 km

M2.1 Earthquake near 15 km SSE of Susitna North, Alaska (United States)

UTC time: 2025-09-18 20:36:17 UTC Local time: —

About this earthquake

On September 18, 2025 at 20:36 UTC, a magnitude M2.1 earthquake occurred near 15 km SSE of Susitna North, Alaska (United States). The hypocenter lay relatively close to the surface at around 32 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 176 earthquakes, the strongest at M3.7.

Details

Magnitude
M2.1
Depth
32.0 km
UTC time
2025-09-18 20:36:17 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.02760, -149.76880
Temperature
13.7°C

Map

Depth profile

Depth profile Depth: 32 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 32 km
Shallow
32 km
32 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

  • Hayes
    Distance: 145 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 154 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 234 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 236 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 285 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Wrangell
    Distance: 300 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·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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