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M1.9 Depth: 45.1 km

M1.9 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-07-20 11:43:41 UTC Local time: —

About this earthquake

On July 20, 2026 at 11:43 UTC, a magnitude M1.9 earthquake occurred near Unorganized Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 45 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 182 earthquakes, the strongest at M3.4.

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Depth profile

Depth profile Depth: 45.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 45.1 km
Shallow
45.1 km
45.1 km — deeper 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: 147 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Churchill
    Distance: 255 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Spurr
    Distance: 304 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Buzzard Creek
    Distance: 307 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 311 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 351 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States

Historic earthquake map · United States

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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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