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M1.2 Depth: 15.9 km

M1.2 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-08-15 09:43:43 UTC Local time: —

About this earthquake

A magnitude M1.2 earthquake was recorded near Matanuska-Susitna Borough, Alaska (United States) on August 15, 2026 at 09:43 UTC. The hypocenter lay relatively close to the surface at around 16 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 207 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Map

Depth profile

Depth profile Depth: 15.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.9 km
Shallow
15.9 km
15.9 km — close to 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: 68 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 105 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 197 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 250 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 280 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Augustine
    Distance: 326 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·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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