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M1.8 Depth: 53.5 km

M1.8 Earthquake near 31 km WSW of Susitna North, Alaska (United States)

UTC time: 2025-07-29 08:05:24 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 31 km WSW of Susitna North, Alaska (United States) on July 29, 2025 at 08:05 UTC. With a focal depth of about 54 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 256 earthquakes, the strongest at M4.1.

Details

Magnitude
M1.8
Depth
53.5 km
UTC time
2025-07-29 08:05:24 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.01920, -150.37610
Temperature
13.2°C

Map

Depth profile

Depth profile Depth: 53.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 53.5 km
Shallow
53.5 km
53.5 km — deeper than the regional average (15.3 km)
Regional average: 15.3 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: 115 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 127 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 212 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 247 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 265 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Wrangell
    Distance: 332 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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