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M1.8 Depth: 25.2 km

M1.8 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-05-25 23:27:17 UTC Local time: —

About this earthquake

On May 25, 2026 at 23:27 UTC, a magnitude M1.8 earthquake occurred near Unorganized Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 25 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 173 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Map

Depth profile

Depth profile Depth: 25.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 25.2 km
Shallow
25.2 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

  • Wrangell
    Distance: 210 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Spurr
    Distance: 265 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 280 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 298 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Churchill
    Distance: 303 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Iliamna
    Distance: 332 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States

Sources: Smithsonian GVP & USGS

Historic earthquake map · United States

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Country statistics · United States

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

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