M1.8 Depth: 120.8 km

M1.8 Earthquake near 7 km NNW of Healy, Alaska (United States)

UTC time: 2025-12-20 06:15:15 UTC Local time:

About this earthquake

A magnitude M1.8 earthquake was recorded near 7 km NNW of Healy, Alaska (United States) on December 20, 2025 at 06:15 UTC. The earthquake originated at an intermediate depth of about 121 km. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 210 earthquakes were recorded in the past 24 hours, the strongest reaching M6.0.

Details

Magnitude
M1.8
Depth
120.8 km
UTC time
2025-12-20 06:15:15 UTC
Local time
Country
City
Source
usgs
Coordinates
63.92400, -149.00600
Temperature
-25.1°C

Map

Depth profile

Depth profile Depth: 120.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 120.8 km
Intermediate
120.8 km
120.8 km — deeper than the regional average (15.7 km)
Regional average: 15.7 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

  • Buzzard Creek
    Distance: 32 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 307 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Wrangell
    Distance: 330 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Spurr
    Distance: 336 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 429 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Churchill
    Distance: 466 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·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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