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M3.1 Depth: 121.3 km

M3.1 Earthquake near SOUTHERN ALASKA (United States)

UTC time: 2025-11-20 01:29:19 UTC Local time: —

About this earthquake

On November 20, 2025 at 01:29 UTC, a magnitude M3.1 earthquake occurred near SOUTHERN ALASKA (United States). The earthquake originated at an intermediate depth of about 121 km. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 212 earthquakes, the strongest at M4.8.

Details

Magnitude
M3.1
Depth
121.3 km
UTC time
2025-11-20 01:29:19 UTC
Local time
—
Country
United States
City
Alaska
Source
emsc
Coordinates
59.15250, -153.91080
Temperature
2.0°C

Map

Depth profile

Depth profile Depth: 121.3 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 121.3 km
Intermediate
121.3 km
121.3 km — deeper than the regional average (15.5 km)
Regional average: 15.5 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

  • Augustine
    Distance: 36 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 39 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 45 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Kaguyak
    Distance: 61 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States
  • Kukak
    Distance: 82 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Steller
    Distance: 85 km ·Stratovolcano ·Elevation: 2'279 m ·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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