M3.3 Depth: 49.5 km

M3.3 Earthquake near 61 km E of Chignik, Alaska (United States)

UTC time: 2025-12-04 00:38:22 UTC Local time:

About this earthquake

On December 4, 2025 at 00:38 UTC, a magnitude M3.3 earthquake occurred near 61 km E of Chignik, Alaska (United States). With a focal depth of about 49 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause 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 M5.0.

Details

Magnitude
M3.3
Depth
49.5 km
UTC time
2025-12-04 00:38:22 UTC
Local time
Country
City
Source
usgs
Coordinates
56.31595, -157.41483
Temperature
7.1°C

Map

Depth profile

Depth profile Depth: 49.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 49.5 km
Shallow
49.5 km
49.5 km — deeper than the regional average (15.6 km)
Regional average: 15.6 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

  • Aniakchak
    Distance: 78 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
  • Yantarni
    Distance: 79 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States
  • Black Peak
    Distance: 88 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Chiginagak
    Distance: 95 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·United States
  • Kialagvik
    Distance: 107 km ·Stratovolcano ·Elevation: 1'677 m ·United States
  • Veniaminof
    Distance: 122 km ·Stratovolcano ·Elevation: 2'507 m ·Last eruption: 2021 ·United States

Historic earthquake map · United States

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

View earthquake KPIs, strongest and latest events, and averages for this country.

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