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M1.3 Depth: 66.3 km

M1.3 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-08-21 06:24:34 UTC Local time: —

About this earthquake

On August 21, 2026 at 06:24 UTC, a magnitude M1.3 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). With a focal depth of about 66 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 195 earthquakes, the strongest at M3.7.

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Depth profile

Depth profile Depth: 66.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 66.3 km
Shallow
66.3 km
66.3 km — deeper than the regional average (15.4 km)
Regional average: 15.4 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

  • Hayes
    Distance: 156 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 165 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Buzzard Creek
    Distance: 226 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Redoubt
    Distance: 246 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Wrangell
    Distance: 291 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Iliamna
    Distance: 297 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·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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