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M4.2 Depth: 39.3 km

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

UTC time: 2026-04-23 07:12:55 UTC Local time: —

About this earthquake

On April 23, 2026 at 07:12 UTC, a magnitude M4.2 earthquake occurred near Kodiak Island Borough, Alaska (United States). 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 data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 188 earthquakes, the strongest at M5.8.

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Depth profile

Depth profile Depth: 39.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 39.3 km
Shallow
39.3 km
39.3 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

  • Alaska Peninsula Arc at 155.4°W
    Distance: 144 km ·Lava dome ·Elevation: 402 m ·United States
  • Steller
    Distance: 145 km ·Stratovolcano ·Elevation: 2'279 m ·United States
  • Snowy Mountain
    Distance: 145 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Denison
    Distance: 145 km ·Stratovolcano ·Elevation: 2'287 m ·United States
  • Kukak
    Distance: 146 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Katmai
    Distance: 150 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States

Historic earthquake map · United States

Open history map
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

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

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