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M2.9 Depth: 34.7 km

M2.9 Earthquake near 112 km E of Chignik, Alaska (United States)

UTC time: 2025-10-17 22:17:57 UTC Local time: —

About this earthquake

A magnitude M2.9 earthquake was recorded near 112 km E of Chignik, Alaska (United States) on October 17, 2025 at 22:17 UTC. With a focal depth of about 35 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 203 earthquakes were recorded in the past 24 hours, the strongest reaching M5.5.

Details

Magnitude
M2.9
Depth
34.7 km
UTC time
2025-10-17 22:17:57 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
56.34820, -156.58950
Temperature
8.2°C

Map

Depth profile

Depth profile Depth: 34.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 34.7 km
Shallow
34.7 km
34.7 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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

  • Yantarni
    Distance: 83 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States
  • Chiginagak
    Distance: 91 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·United States
  • Kialagvik
    Distance: 96 km ·Stratovolcano ·Elevation: 1'677 m ·United States
  • Aniakchak
    Distance: 113 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
  • Black Peak
    Distance: 137 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Ugashik-Peulik
    Distance: 157 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States

Historic earthquake map · United States

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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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