M4.9 Depth: 20.9 km

M4.9 Earthquake near 86 km SSE of Adak, Alaska

UTC time: 2025-03-22 12:59:19 UTC Local time:

About this earthquake

A magnitude M4.9 earthquake was recorded near 86 km SSE of Adak, Alaska on March 22, 2025 at 12:59 UTC. With a focal depth of about 21 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS.

Details

Magnitude
M4.9
Depth
20.9 km
UTC time
2025-03-22 12:59:19 UTC
Local time
Country
Source
usgs
Coordinates
51.14300, -176.20100

Map

Depth profile

Depth profile Depth: 20.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 20.9 km
Shallow
20.9 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

  • Moffett
    Distance: 97 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 104 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States
  • Kanaga
    Distance: 110 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Bobrof
    Distance: 121 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Kasatochi
    Distance: 125 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Koniuji
    Distance: 141 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States

Stats (last 24h)

Global (24h)
648
Country (24h)
Current earthquakes in
Magnitude Place Local time
No recent events available.

Share