Back to map
M1.8 Depth: 1.0 km

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

UTC time: 2026-04-11 18:05:04 UTC Local time: —

About this earthquake

On April 11, 2026 at 18:05 UTC, a magnitude M1.8 earthquake occurred near Unorganized Borough, Alaska (United States). With a focal depth of about 1 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: 193 earthquakes were recorded in the past 24 hours, the strongest reaching M5.4.

Map

Depth profile

Depth profile Depth: 1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 1 km
Shallow
1 km
1 km — shallower 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

  • Buzzard Creek
    Distance: 247 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·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.

Share