M4.2 Depth: 39.0 km

M4.2 Earthquake near Kodiak Island Borough, Alaska (United States)

UTC time: 2026-04-23 07:12:56 UTC Local time:

About this earthquake

A magnitude M4.2 earthquake was recorded near Kodiak Island Borough, Alaska (United States) on April 23, 2026 at 07:12 UTC. The hypocenter lay relatively close to the surface at around 39 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by ISC. United States: over the past 24 hours, QuakeMap24 logged 188 earthquakes, the strongest at M5.8.

Map

Depth profile

Depth profile Depth: 39 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 39 km
Shallow
39 km
39 km — deeper than the regional average (15.8 km)
Regional average: 15.8 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

  • Steller
    Distance: 139 km ·Stratovolcano ·Elevation: 2'279 m ·United States
  • Snowy Mountain
    Distance: 139 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Denison
    Distance: 139 km ·Stratovolcano ·Elevation: 2'287 m ·United States
  • Alaska Peninsula Arc at 155.4°W
    Distance: 140 km ·Lava dome ·Elevation: 402 m ·United States
  • Kukak
    Distance: 140 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Katmai
    Distance: 144 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States

Historic earthquake map · United States

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

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

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