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M3.1 Depth: 24.4 km

M3.1 Earthquake near 138 km SW of Nikolski, Alaska

UTC time: 2026-03-21 09:25:56 UTC Local time: —

About this earthquake

A magnitude M3.1 earthquake was recorded near 138 km SW of Nikolski, Alaska on March 21, 2026 at 09:25 UTC. The hypocenter lay relatively close to the surface at around 24 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS.

Details

Magnitude
M3.1
Depth
24.4 km
UTC time
2026-03-21 09:25:56 UTC
Local time
—
Country
—
Source
usgs
Coordinates
52.09100, -170.35400
Temperature
-3.1°C

Map

Depth profile

Depth profile Depth: 24.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 24.4 km
Shallow
24.4 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

  • Yunaska
    Distance: 64 km ·Shield ·Elevation: 550 m ·Last eruption: 1937 ·United States
  • Herbert
    Distance: 74 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Chagulak
    Distance: 75 km ·Stratovolcano ·Elevation: 1'028 m ·United States
  • Amukta
    Distance: 76 km ·Stratovolcano ·Elevation: 1'066 m ·Last eruption: 1996 ·United States
  • Cleveland
    Distance: 86 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Tana
    Distance: 91 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States

Stats (last 24h)

Global (24h)
484
Country (24h)
—
—
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