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United States · Alaska

M1.9 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-09-21 06:18:21 UTC Local time: —
Magnitude
M1.9
Depth
125.7 km
Source
USGS

Alaska · Lake and Peninsula Borough

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About this earthquake

A magnitude M1.9 earthquake was recorded near Lake and Peninsula Borough, Alaska (United States) on September 21, 2026 at 06:18 UTC. The earthquake originated at an intermediate depth of about 126 km. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 182 earthquakes were recorded in the past 24 hours, the strongest reaching M3.3.

Depth profile

Depth profile Depth: 125.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 125.7 km
Intermediate
125.7 km
125.7 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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

  • Kukak
    Distance: 47 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Kaguyak
    Distance: 48 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States
  • Denison
    Distance: 48 km ·Stratovolcano ·Elevation: 2'287 m ·United States
  • Steller
    Distance: 49 km ·Stratovolcano ·Elevation: 2'279 m ·United States
  • Snowy Mountain
    Distance: 55 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Griggs
    Distance: 56 km ·Stratovolcano ·Elevation: 2'317 m ·Last eruption: -1790 ·United States

Alaska

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 2.0 · 4,116 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · United States

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Country statistics · United States

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

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