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United States · Alaska

M2.3 Earthquake near Kenai Peninsula Borough, Alaska (United States)

UTC time: 2026-09-21 22:25:00 UTC Local time: —
Magnitude
M2.3
Depth
106.4 km
Source
USGS

Alaska · Kenai Peninsula Borough

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About this earthquake

A magnitude M2.3 earthquake was recorded near Kenai Peninsula Borough, Alaska (United States) on September 21, 2026 at 22:25 UTC. The earthquake originated at an intermediate depth of about 106 km. 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: 188 earthquakes were recorded in the past 24 hours, the strongest reaching M3.0.

Depth profile

Depth profile Depth: 106.4 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 106.4 km
Intermediate
106.4 km
106.4 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

  • Iliamna
    Distance: 26 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 65 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Redoubt
    Distance: 71 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Douglas
    Distance: 118 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 130 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Kaguyak
    Distance: 154 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States

Alaska

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 2.0 · 4,119 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

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

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View earthquake KPIs, strongest and latest events, and averages for this country.

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