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United States · Alaska

M3.0 Earthquake near Kenai Peninsula Borough, Alaska (United States)

UTC time: 2026-09-21 09:38:37 UTC Local time: —
Magnitude
M3.0
Depth
48.9 km
Source
USGS

Alaska · Kenai Peninsula Borough

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About this earthquake

A magnitude M3.0 earthquake was recorded near Kenai Peninsula Borough, Alaska (United States) on September 21, 2026 at 09:38 UTC. With a focal depth of about 49 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by USGS. United States: 189 earthquakes were recorded in the past 24 hours, the strongest reaching M3.0.

Depth profile

Depth profile Depth: 48.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 48.9 km
Shallow
48.9 km
48.9 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

  • Iliamna
    Distance: 98 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 99 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Augustine
    Distance: 134 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Spurr
    Distance: 160 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Douglas
    Distance: 173 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 185 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Homer AirportUnited States · HOM · PAHO
    33.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-21

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Alaska

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 3.0 · 654 Catalogue entries

Of 653 other entries for this area and period, 549 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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