Back to map
M2.1 Depth: 6.9 km

M2.1 Earthquake near 77 km W of Karluk, Alaska (United States)

UTC time: 2025-12-09 05:27:15 UTC Local time: —

About this earthquake

On December 9, 2025 at 05:27 UTC, a magnitude M2.1 earthquake occurred near 77 km W of Karluk, Alaska (United States). With a focal depth of about 7 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 190 earthquakes were recorded in the past 24 hours, the strongest reaching M4.7.

Details

Magnitude
M2.1
Depth
6.9 km
UTC time
2025-12-09 05:27:15 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
57.57100, -155.75500
Temperature
-4.4°C

Map

Depth profile

Depth profile Depth: 6.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 6.9 km
Shallow
6.9 km
6.9 km — shallower 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

  • Alaska Peninsula Arc at 155.4°W
    Distance: 39 km ·Lava dome ·Elevation: 402 m ·United States
  • Ugashik-Peulik
    Distance: 42 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Ukinrek Maars
    Distance: 54 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Martin
    Distance: 71 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Kialagvik
    Distance: 72 km ·Stratovolcano ·Elevation: 1'677 m ·United States
  • Mageik
    Distance: 75 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·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.

Share