Back to map
M2.3 Depth: 0.8 km

M2.3 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-01-31 21:02:56 UTC Local time: —

About this earthquake

On January 31, 2026 at 21:02 UTC, a magnitude M2.3 earthquake occurred near Unorganized Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 1 km, increasing how strongly it was felt. 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: 148 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Map

Depth profile

Depth profile Depth: 0.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.8 km
Shallow
0.8 km
0.8 km — shallower than the regional average (15.9 km)
Regional average: 15.9 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

  • Buzzard Creek
    Distance: 254 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 330 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 369 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • St. Michael
    Distance: 434 km ·Volcanic field ·Elevation: 715 m ·United States
  • Redoubt
    Distance: 455 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Imuruk Lake
    Distance: 475 km ·Volcanic field ·Elevation: 610 m ·Last eruption: 300 ·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