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M1.8 Depth: 28.3 km

M1.8 Earthquake near 45 km ENE of Susitna North, Alaska (United States)

UTC time: 2025-09-27 17:31:55 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 45 km ENE of Susitna North, Alaska (United States) on September 27, 2025 at 17:31 UTC. With a focal depth of about 28 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. 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 163 earthquakes, the strongest at M3.7.

Details

Magnitude
M1.8
Depth
28.3 km
UTC time
2025-09-27 17:31:55 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.38140, -149.12190
Temperature
3.2°C

Map

Depth profile

Depth profile Depth: 28.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 28.3 km
Shallow
28.3 km
28.3 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

  • Buzzard Creek
    Distance: 190 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 190 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 204 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Wrangell
    Distance: 268 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 285 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 337 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States

Historic earthquake map · United States

Open history map
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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