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United States · Alaska

M2.1 Earthquake near Kenai Peninsula Borough, Alaska (United States)

UTC time: 2026-09-12 11:40:13 UTC Local time: —
Magnitude
M2.1
Depth
109.5 km
Source
USGS

Alaska · Kenai Peninsula Borough

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About this earthquake

A magnitude M2.1 earthquake was recorded near Kenai Peninsula Borough, Alaska (United States) on September 12, 2026 at 11:40 UTC. The earthquake originated at an intermediate depth of about 110 km. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 292 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Depth profile

Depth profile Depth: 109.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 109.5 km
Intermediate
109.5 km
109.5 km — deeper than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Redoubt
    Distance: 30 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 62 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Spurr
    Distance: 101 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Augustine
    Distance: 132 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Hayes
    Distance: 140 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Douglas
    Distance: 186 km ·Stratovolcano ·Elevation: 2'140 m ·United States

Alaska

Context for this earthquake

12 Sep 2025 – 12 Sep 2026 · M ≥ 2.0 · 4,104 Catalogue entries

Of 4,103 other entries for this area and period, 2,883 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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