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M2.1 Depth: 27.1 km

M2.1 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-08-18 00:33:08 UTC Local time: —

About this earthquake

A magnitude M2.1 earthquake was recorded near Matanuska-Susitna Borough, Alaska (United States) on August 18, 2026 at 00:33 UTC. The hypocenter lay relatively close to the surface at around 27 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 181 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Map

Depth profile

Depth profile Depth: 27.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 27.1 km
Shallow
27.1 km
27.1 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: 208 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Buzzard Creek
    Distance: 214 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Spurr
    Distance: 214 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Wrangell
    Distance: 238 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 288 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 337 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·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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