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United States · Alaska

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

UTC time: 2026-09-15 23:50:50 UTC Local time: —
Magnitude
M2.0
Depth
65.4 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

On September 15, 2026 at 23:50 UTC, a magnitude M2.0 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 65 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 168 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Depth profile

Depth profile Depth: 65.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 65.4 km
Shallow
65.4 km
65.4 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: 88 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 94 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 177 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 230 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 281 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Augustine
    Distance: 304 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Alaska

Context for this earthquake

16 Sep 2025 – 16 Sep 2026 · M ≥ 2.0 · 4,100 Catalogue entries

Of 4,099 other entries for this area and period, 3,480 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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View earthquake KPIs, strongest and latest events, and averages for this country.

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