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M1.8 Depth: 17.6 km

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

UTC time: 2026-08-09 00:05:49 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near Unorganized Borough, Alaska (United States) on August 9, 2026 at 00:05 UTC. The hypocenter lay relatively close to the surface at around 18 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: 174 earthquakes were recorded in the past 24 hours, the strongest reaching M5.5.

Map

Depth profile

Depth profile Depth: 17.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 17.6 km
Shallow
17.6 km
17.6 km — close to the regional average (15.5 km)
Regional average: 15.5 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: 292 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 300 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Spurr
    Distance: 302 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Iliamna
    Distance: 315 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Hayes
    Distance: 329 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Augustine
    Distance: 344 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Historic earthquake map · United States

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Country statistics · United States

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

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