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United States · Alaska

M5.0 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-01-23 08:25:42 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Map

M5.0 Earthquake near Unorganized Borough, Alaska (United States) · 2026-01-23 — Map showing the location of the epicenter
M5.0 Earthquake near Unorganized Borough, Alaska (United States) · 2026-01-23 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.0 earthquake was recorded near Unorganized Borough, Alaska (United States) on January 23, 2026 at 08:25 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

The data is provided by ISC and cross-checked across seismological networks. United States: 175 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (15.2 km)
Regional average: 15.2 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

  • Kiska
    Distance: 10 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Segula
    Distance: 44 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Davidof
    Distance: 57 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Little Sitkin
    Distance: 72 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Buldir
    Distance: 114 km ·Stratovolcano ·Elevation: 656 m ·United States
  • Semisopochnoi
    Distance: 143 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States

Comparison of seismic sources

2 sources currently report magnitudes from M5.0 to M5.3.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
ISCM5.010.0 km0.0 km
NNSNM5.310.0 km15.4 km

Alaska

Context for this earthquake

04 Oct 2025 – 04 Oct 2026 · M ≥ 3.0 · 653 Catalogue entries

Of 652 other entries for this area and period, 48 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#28
Earlier events M≥452
Earlier events M≥530
Compared since2025-01-30

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M6.12026-01-15 08:52:45 UTC76.9 kmRat Islands, Aleutian Islands, United States [Sea: United States] M5.92026-01-15 08:52:47 UTC61.1 km271 km ESE of Attu Station, Alaska M5.92026-01-15 08:52:45 UTC69.3 kmRat Islands, Aleutian Islands M5.92026-01-15 08:52:45 UTC70.3 kmRAT ISLANDS, ALEUTIAN ISLANDS M5.82025-12-13 10:50:47 UTC81.3 kmRat Islands, Aleutian Islands

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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