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United States · Alaska

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

UTC time: 2026-06-18 03:53:47 UTC Local time: —

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About this earthquake

On June 18, 2026 at 03:53 UTC, a magnitude M3.7 earthquake occurred near Unorganized Borough, Alaska (United States). At around 72 km, the focal depth places this among intermediate-depth events. 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: 141 earthquakes were recorded in the past 24 hours, the strongest reaching M3.3.

Depth profile

Depth profile Depth: 71.9 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 71.9 km
Intermediate
71.9 km
71.9 km — deeper than the regional average (15.3 km)
Regional average: 15.3 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Bobrof
    Distance: 25 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Kanaga
    Distance: 36 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Takawangha
    Distance: 39 km ·Stratovolcano ·Elevation: 1'449 m ·Last eruption: 1550 ·United States
  • Tanaga
    Distance: 48 km ·Stratovolcano(es) ·Elevation: 1'806 m ·Last eruption: 1914 ·United States
  • Moffett
    Distance: 61 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States
  • Gareloi
    Distance: 88 km ·Stratovolcano ·Elevation: 1'573 m ·Last eruption: 1989 ·United States

Alaska

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 653 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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