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M1.8 Depth: 17.4 km

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

UTC time: 2026-07-17 01:21:30 UTC Local time: —

About this earthquake

On July 17, 2026 at 01:21 UTC, a magnitude M1.8 earthquake occurred near Unorganized Borough, Alaska (United States). With a focal depth of about 17 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 220 earthquakes were recorded in the past 24 hours, the strongest reaching M5.3.

Map

Depth profile

Depth profile Depth: 17.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 17.4 km
Shallow
17.4 km
17.4 km — close to the regional average (15.7 km)
Regional average: 15.7 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: 196 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Spurr
    Distance: 278 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Churchill
    Distance: 289 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Hayes
    Distance: 291 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 312 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 343 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·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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