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United States · Alaska

M1.8 Earthquake near Kenai Peninsula Borough, Alaska (United States)

UTC time: 2026-09-20 14:23:04 UTC Local time: —
Magnitude
M1.8
Depth
120.0 km
Source
USGS

Alaska · Kenai Peninsula Borough

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About this earthquake

On September 20, 2026 at 14:23 UTC, a magnitude M1.8 earthquake occurred near Kenai Peninsula Borough, Alaska (United States). The earthquake originated at an intermediate depth of about 120 km. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 186 earthquakes were recorded in the past 24 hours, the strongest reaching M5.3.

Depth profile

Depth profile Depth: 120 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 120 km
Intermediate
120 km
120 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

  • Spurr
    Distance: 40 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 55 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Hayes
    Distance: 78 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Iliamna
    Distance: 109 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 186 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 241 km ·Stratovolcano ·Elevation: 2'140 m ·United States

Alaska

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 2.0 · 4,109 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

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

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