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United States · Alaska

M2.0 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-09-23 20:16:45 UTC Local time: —
Magnitude
M2.0
Depth
60.0 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

On September 23, 2026 at 20:16 UTC, a magnitude M2.0 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 60 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 197 earthquakes were recorded in the past 24 hours, the strongest reaching M3.5.

Depth profile

Depth profile Depth: 60 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 60 km
Shallow
60 km
60 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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: 115 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 119 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 198 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 249 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 268 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Augustine
    Distance: 321 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Alaska

Context for this earthquake

23 Sep 2025 – 23 Sep 2026 · M ≥ 2.0 · 4,135 Catalogue entries

Of 4,134 other entries for this area and period, 3,509 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · United States

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Country statistics · United States

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