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M2.1 Depth: 84.0 km

M2.1 Earthquake near 21 km WNW of Nikiski, Alaska (United States)

UTC time: 2025-12-13 08:30:28 UTC Local time: —

About this earthquake

A magnitude M2.1 earthquake was recorded near 21 km WNW of Nikiski, Alaska (United States) on December 13, 2025 at 08:30 UTC. The earthquake originated at an intermediate depth of about 84 km. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 198 earthquakes were recorded in the past 24 hours, the strongest reaching M3.3.

Details

Magnitude
M2.1
Depth
84.0 km
UTC time
2025-12-13 08:30:28 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
60.75200, -151.66800
Temperature
-16.7°C

Map

Depth profile

Depth profile Depth: 84 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 84 km
Intermediate
84 km
84 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

  • Redoubt
    Distance: 66 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Spurr
    Distance: 68 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 106 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Iliamna
    Distance: 112 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 183 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 236 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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