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M1.8 Depth: 73.8 km

M1.8 Earthquake near 30 km SSE of Chignik Lake, Alaska (United States)

UTC time: 2025-12-12 14:59:57 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 30 km SSE of Chignik Lake, Alaska (United States) on December 12, 2025 at 14:59 UTC. At around 74 km, the focal depth places this among intermediate-depth events. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 187 earthquakes, the strongest at M3.3.

Details

Magnitude
M1.8
Depth
73.8 km
UTC time
2025-12-12 14:59:57 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
56.00800, -158.55800
Temperature
-0.6°C

Map

Depth profile

Depth profile Depth: 73.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 73.8 km
Intermediate
73.8 km
73.8 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

  • Veniaminof
    Distance: 54 km ·Stratovolcano ·Elevation: 2'507 m ·Last eruption: 2021 ·United States
  • Black Peak
    Distance: 62 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Kupreanof ADVISORY · YELLOW
    Distance: 77 km ·Stratovolcano ·Elevation: 1'895 m ·United States
  • Stepovak Bay Group
    Distance: 91 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Aniakchak
    Distance: 100 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
  • Yantarni
    Distance: 140 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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