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M1.5 Depth: 28.7 km

M1.5 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-08-20 08:19:44 UTC Local time: —

About this earthquake

On August 20, 2026 at 08:19 UTC, a magnitude M1.5 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). With a focal depth of about 29 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 232 earthquakes, the strongest at M3.9.

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Depth profile

Depth profile Depth: 28.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 28.7 km
Shallow
28.7 km
28.7 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

  • Spurr
    Distance: 208 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 213 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Wrangell
    Distance: 233 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 266 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 272 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 310 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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