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M1.8 Depth: 137.4 km

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

UTC time: 2026-03-18 18:21:52 UTC Local time: —

About this earthquake

On March 18, 2026 at 18:21 UTC, a magnitude M1.8 earthquake occurred near Kenai Peninsula Borough, Alaska (United States). The earthquake originated at an intermediate depth of about 137 km. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 178 earthquakes, the strongest at M3.0.

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Depth profile

Depth profile Depth: 137.4 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 137.4 km
Intermediate
137.4 km
137.4 km — deeper than the regional average (15.8 km)
Regional average: 15.8 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

  • Iliamna
    Distance: 9 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 56 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Augustine
    Distance: 76 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 133 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 144 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Spurr
    Distance: 150 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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