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M1.9 Depth: 111.1 km

M1.9 Earthquake near 65 km W of Tyonek, Alaska (United States)

UTC time: 2025-08-28 15:29:58 UTC Local time: —

About this earthquake

A magnitude M1.9 earthquake was recorded near 65 km W of Tyonek, Alaska (United States) on August 28, 2025 at 15:29 UTC. At around 111 km, the focal depth places this among intermediate-depth events. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 236 earthquakes, the strongest at M3.9.

Details

Magnitude
M1.9
Depth
111.1 km
UTC time
2025-08-28 15:29:58 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.03020, -152.34080
Temperature
4.0°C

Map

Depth profile

Depth profile Depth: 111.1 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 111.1 km
Intermediate
111.1 km
111.1 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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

  • Spurr
    Distance: 30 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 64 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Hayes
    Distance: 68 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Iliamna
    Distance: 118 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 195 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 251 km ·Stratovolcano ·Elevation: 2'140 m ·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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