M3.7 Depth: 46.3 km

M3.7 Earthquake near 13 km SE of Tyonek, Alaska (United States)

UTC time: 2025-12-06 21:03:58 UTC Local time:

About this earthquake

A magnitude M3.7 earthquake was recorded near 13 km SE of Tyonek, Alaska (United States) on December 6, 2025 at 21:03 UTC. With a focal depth of about 46 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 230 earthquakes, the strongest at M5.0.

Details

Magnitude
M3.7
Depth
46.3 km
UTC time
2025-12-06 21:03:58 UTC
Local time
Country
City
Source
usgs
Coordinates
60.96807, -150.98836
Temperature
-5.3°C

Map

Depth profile

Depth profile Depth: 46.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 46.3 km
Shallow
46.3 km
46.3 km — deeper than the regional average (15.6 km)
Regional average: 15.6 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: 77 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 107 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 109 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 155 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 224 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 275 km ·Stratovolcano ·Elevation: 2'140 m ·United States

Historic earthquake map · United States

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

View earthquake KPIs, strongest and latest events, and averages for this country.

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