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M2.2 Depth: 4.3 km

M2.2 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-07-21 03:59:06 UTC Local time: —

About this earthquake

On July 21, 2026 at 03:59 UTC, a magnitude M2.2 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). With a focal depth of about 4 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 173 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

Map

Depth profile

Depth profile Depth: 4.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4.3 km
Shallow
4.3 km
4.3 km — shallower than the regional average (15.6 km)
Regional average: 15.6 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: 112 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 128 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 216 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 241 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 269 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Wrangell
    Distance: 340 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·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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