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M1.8 Depth: 88.4 km

M1.8 Earthquake near 34 km WNW of Tyonek, Alaska (United States)

UTC time: 2025-12-05 15:25:37 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 34 km WNW of Tyonek, Alaska (United States) on December 5, 2025 at 15:25 UTC. The earthquake originated at an intermediate depth of about 88 km. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 234 earthquakes were recorded in the past 24 hours, the strongest reaching M5.0.

Details

Magnitude
M1.8
Depth
88.4 km
UTC time
2025-12-05 15:25:37 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.16699, -151.74004
Temperature
-7.8°C

Map

Depth profile

Depth profile Depth: 88.4 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 88.4 km
Intermediate
88.4 km
88.4 km — deeper than the regional average (15.6 km)
Regional average: 15.6 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: 31 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 64 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 93 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 146 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 221 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 276 km ·Stratovolcano ·Elevation: 2'140 m ·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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