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M1.1 Depth: 10.2 km

M1.1 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-07-20 18:48:13 UTC Local time: —

About this earthquake

On July 20, 2026 at 18:48 UTC, a magnitude M1.1 earthquake occurred near Unorganized Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 184 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

Map

Depth profile

Depth profile Depth: 10.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.2 km
Shallow
10.2 km
10.2 km — shallower than the regional average (15.6 km)
Regional average: 15.6 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

  • Wrangell
    Distance: 158 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Buzzard Creek
    Distance: 178 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Churchill
    Distance: 280 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Fort Selkirk
    Distance: 396 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Hayes
    Distance: 413 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 427 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·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.

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