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United States · Alaska

M3.7 Earthquake near Kodiak Island Borough, Alaska (United States)

UTC time: 2026-09-22 08:48:00 UTC Local time: —
Magnitude
M3.7
Depth
32.9 km
Source
USGS

Alaska · Kodiak Island Borough

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About this earthquake

On September 22, 2026 at 08:48 UTC, a magnitude M3.7 earthquake occurred near Kodiak Island Borough, Alaska (United States). With a focal depth of about 33 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 data is provided by USGS and cross-checked across seismological networks. United States: 175 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Depth profile

Depth profile Depth: 32.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 32.9 km
Shallow
32.9 km
32.9 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

  • Alaska Peninsula Arc at 155.4°W
    Distance: 70 km ·Lava dome ·Elevation: 402 m ·United States
  • Martin
    Distance: 100 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 101 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Ugashik-Peulik
    Distance: 102 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Trident
    Distance: 104 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Novarupta
    Distance: 108 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Karluk AirportUnited States · KYK · PAKY
    38.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-22

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

22 Sep 2025 – 22 Sep 2026 · M ≥ 3.0 · 654 Catalogue entries

Of 653 other entries for this area and period, 214 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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