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M1.6 Depth: 0.7 km

M1.6 Earthquake near 53 km W of Tyonek, Alaska (United States)

UTC time: 2025-12-18 00:44:54 UTC Local time: —

About this earthquake

A magnitude M1.6 earthquake was recorded near 53 km W of Tyonek, Alaska (United States) on December 18, 2025 at 00:44 UTC. With a focal depth of about 1 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: 223 earthquakes were recorded in the past 24 hours, the strongest reaching M4.9.

Details

Magnitude
M1.6
Depth
0.7 km
UTC time
2025-12-18 00:44:54 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.12700, -152.12800
Temperature
-4.0°C

Map

Depth profile

Depth profile Depth: 0.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.7 km
Shallow
0.7 km
0.7 km — shallower than the regional average (15.7 km)
Regional average: 15.7 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

  • Spurr
    Distance: 20 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 59 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 79 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 133 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 209 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 265 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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