M3.0 Earthquake near 88 km SSE of Adak, Alaska

UTC time: 2025-03-21 16:39:48 UTC Local time: —
Magnitude
M3.0
Depth
10.0 km
Source
USGS

88 km SSE of Adak, Alaska

Map

About this earthquake

On March 21, 2025 at 16:39 UTC, a magnitude M3.0 earthquake occurred near 88 km SSE of Adak, Alaska. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS.

Details

ID
f2cd2f6d030e04701a0036c112363fd2ab71de9d
Magnitude
M3.0
Depth
10.0 km
UTC time
2025-03-21 16:39:48 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.14790, -176.11880

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 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

  • Distance: 99 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 103 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States
  • Distance: 113 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Distance: 122 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Distance: 125 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Distance: 137 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Stats (last 24h)

Global (24h)
483
Country (24h)
—
—
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