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M1.0 Depth: 36.6 km

M1.0 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-08-04 06:38:53 UTC Local time: —

About this earthquake

On August 4, 2026 at 06:38 UTC, a magnitude M1.0 earthquake occurred near Unorganized Borough, Alaska (United States). With a focal depth of about 37 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: over the past 24 hours, QuakeMap24 logged 168 earthquakes, the strongest at M3.1.

Map

Depth profile

Depth profile Depth: 36.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 36.6 km
Shallow
36.6 km
36.6 km — deeper than 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

  • Spurr
    Distance: 230 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Wrangell
    Distance: 237 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Hayes
    Distance: 245 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 265 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 300 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Churchill
    Distance: 336 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States

Historic earthquake map · United States

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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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