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M1.6 Depth: 85.2 km

M1.6 Earthquake near 29 km NNE of Chignik, Alaska (United States)

UTC time: 2025-09-30 18:38:02 UTC Local time: —

About this earthquake

A magnitude M1.6 earthquake was recorded near 29 km NNE of Chignik, Alaska (United States) on September 30, 2025 at 18:38 UTC. At around 85 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 211 earthquakes, the strongest at M3.4.

Details

Magnitude
M1.6
Depth
85.2 km
UTC time
2025-09-30 18:38:02 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
56.54720, -158.25440
Temperature
4.4°C

Map

Depth profile

Depth profile Depth: 85.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 85.2 km
Intermediate
85.2 km
85.2 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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

  • Black Peak
    Distance: 33 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Aniakchak
    Distance: 37 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
  • Veniaminof
    Distance: 81 km ·Stratovolcano ·Elevation: 2'507 m ·Last eruption: 2021 ·United States
  • Yantarni
    Distance: 84 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States
  • Chiginagak
    Distance: 101 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·United States
  • Kupreanof ADVISORY · YELLOW
    Distance: 112 km ·Stratovolcano ·Elevation: 1'895 m ·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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