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M2.1 Depth: 54.2 km

M2.1 Earthquake near 27 km SSE of Chignik, Alaska (United States)

UTC time: 2025-11-12 17:20:48 UTC Local time: —

About this earthquake

On November 12, 2025 at 17:20 UTC, a magnitude M2.1 earthquake occurred near 27 km SSE of Chignik, Alaska (United States). With a focal depth of about 54 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 169 earthquakes were recorded in the past 24 hours, the strongest reaching M3.8.

Details

Magnitude
M2.1
Depth
54.2 km
UTC time
2025-11-12 17:20:48 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
56.06400, -158.24130
Temperature
6.9°C

Map

Depth profile

Depth profile Depth: 54.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 54.2 km
Shallow
54.2 km
54.2 km — deeper than the regional average (15.5 km)
Regional average: 15.5 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

  • Black Peak
    Distance: 64 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Veniaminof
    Distance: 72 km ·Stratovolcano ·Elevation: 2'507 m ·Last eruption: 2021 ·United States
  • Aniakchak
    Distance: 91 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
  • Kupreanof ADVISORY · YELLOW
    Distance: 97 km ·Stratovolcano ·Elevation: 1'895 m ·United States
  • Stepovak Bay Group
    Distance: 112 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Yantarni
    Distance: 124 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·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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