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United States · Alaska

M1.7 Earthquake near Kenai Peninsula Borough, Alaska (United States)

UTC time: 2026-09-21 10:09:27 UTC Local time: —
Magnitude
M1.7
Depth
15.5 km
Source
USGS

Alaska · Kenai Peninsula Borough

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About this earthquake

A magnitude M1.7 earthquake was recorded near Kenai Peninsula Borough, Alaska (United States) on September 21, 2026 at 10:09 UTC. The hypocenter lay relatively close to the surface at around 16 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 178 earthquakes, the strongest at M3.3.

Depth profile

Depth profile Depth: 15.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.5 km
Shallow
15.5 km
15.5 km — close to 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

  • Douglas
    Distance: 17 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 20 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Kaguyak
    Distance: 40 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States
  • Augustine
    Distance: 50 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Kukak
    Distance: 64 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Steller
    Distance: 68 km ·Stratovolcano ·Elevation: 2'279 m ·United States

Alaska

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 2.0 · 4,118 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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