M5.4 Depth: 20.0 km

M5.4 Earthquake near 74 km SSE of Adak, Alaska

UTC time: 2025-03-22 09:49:22 UTC Local time:

About this earthquake

On March 22, 2025 at 09:49 UTC, a magnitude M5.4 earthquake occurred near 74 km SSE of Adak, Alaska. The hypocenter lay relatively close to the surface at around 20 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

The data is provided by NNSN and cross-checked across seismological networks.

Details

Magnitude
M5.4
Depth
20.0 km
UTC time
2025-03-22 09:49:22 UTC
Local time
Country
Source
nnsn
Coordinates
51.15500, -176.10700

Map

Depth profile

Depth profile Depth: 20 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 20 km
Shallow
20 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: 98 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 102 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States
  • Kanaga
    Distance: 113 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Kasatochi
    Distance: 121 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Bobrof
    Distance: 125 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Koniuji
    Distance: 136 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours18
First 24 hours58
First 72 hours88
Strongest subsequent eventM4.9

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#6
Earlier events M≥429
Earlier events M≥510
Compared since2025-01-02

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

Stats (last 24h)

Global (24h)
649
Country (24h)
Current earthquakes in
Magnitude Place Local time
No recent events available.

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