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United States · Alaska

M0.5 Earthquake near Kenai Peninsula Borough, Alaska (United States)

UTC time: 2026-09-18 16:03:05 UTC Local time: —
Magnitude
M0.5
Depth
6.8 km
Source
USGS

Alaska · Kenai Peninsula Borough

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About this earthquake

On September 18, 2026 at 16:03 UTC, a magnitude M0.5 earthquake occurred near Kenai Peninsula Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 7 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 167 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Depth profile

Depth profile Depth: 6.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 6.8 km
Shallow
6.8 km
6.8 km — shallower 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

  • Redoubt
    Distance: 6 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 60 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Spurr
    Distance: 88 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 123 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Augustine
    Distance: 137 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 193 km ·Stratovolcano ·Elevation: 2'140 m ·United States

Alaska

Context for this earthquake

18 Sep 2025 – 18 Sep 2026 · M ≥ 2.0 · 4,102 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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Country statistics · United States

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

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