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M2.7 Depth: 17.8 km

M2.7 Earthquake near 106 km E of Chignik, Alaska (United States)

UTC time: 2025-09-04 20:47:50 UTC Local time: —

About this earthquake

On September 4, 2025 at 20:47 UTC, a magnitude M2.7 earthquake occurred near 106 km E of Chignik, Alaska (United States). With a focal depth of about 18 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: 224 earthquakes were recorded in the past 24 hours, the strongest reaching M3.5.

Details

Magnitude
M2.7
Depth
17.8 km
UTC time
2025-09-04 20:47:50 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
56.42490, -156.69940
Temperature
13.1°C

Map

Depth profile

Depth profile Depth: 17.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 17.8 km
Shallow
17.8 km
17.8 km — close to 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: 72 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States
  • Chiginagak
    Distance: 81 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·United States
  • Kialagvik
    Distance: 87 km ·Stratovolcano ·Elevation: 1'677 m ·United States
  • Aniakchak
    Distance: 103 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
  • Black Peak
    Distance: 129 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Ugashik-Peulik
    Distance: 149 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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