Back to map
M3.5 Depth: 78.5 km

M3.5 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-03-18 12:23:32 UTC Local time: —

About this earthquake

On March 18, 2026 at 12:23 UTC, a magnitude M3.5 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). At around 79 km, the focal depth places this among intermediate-depth events. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. United States: 179 earthquakes were recorded in the past 24 hours, the strongest reaching M3.0.

Map

Depth profile

Depth profile Depth: 78.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 78.5 km
Intermediate
78.5 km
78.5 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

  • Buzzard Creek
    Distance: 154 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 193 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 215 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Wrangell
    Distance: 300 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Redoubt
    Distance: 304 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 358 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·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