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M1.5 Depth: 22.7 km

M1.5 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-03-28 23:45:45 UTC Local time: —

About this earthquake

A magnitude M1.5 earthquake was recorded near Lake and Peninsula Borough, Alaska (United States) on March 28, 2026 at 23:45 UTC. With a focal depth of about 23 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 189 earthquakes, the strongest at M5.4.

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Depth profile

Depth profile Depth: 22.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 22.7 km
Shallow
22.7 km
22.7 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

  • Ukinrek Maars
    Distance: 27 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Ugashik-Peulik
    Distance: 29 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Alaska Peninsula Arc at 155.4°W
    Distance: 47 km ·Lava dome ·Elevation: 402 m ·United States
  • Martin
    Distance: 52 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 59 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Novarupta
    Distance: 67 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States

Historic earthquake map · United States

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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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