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M1.8 Depth: 73.5 km

M1.8 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-03-09 18:53:43 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near Unorganized Borough, Alaska (United States) on March 9, 2026 at 18:53 UTC. The earthquake originated at an intermediate depth of about 74 km. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 156 earthquakes, the strongest at M3.8.

Map

Depth profile

Depth profile Depth: 73.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 73.5 km
Intermediate
73.5 km
73.5 km — deeper than the regional average (15.9 km)
Regional average: 15.9 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

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    Distance: 63 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Kasatochi
    Distance: 79 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Bobrof
    Distance: 79 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Koniuji
    Distance: 102 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States

Historic earthquake map · United States

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Country statistics · United States

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

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