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M3.5 Depth: 23.2 km

M3.5 Earthquake near 80 km SSE of Adak, Alaska

UTC time: 2025-03-20 08:33:21 UTC Local time: —

About this earthquake

On March 20, 2025 at 08:33 UTC, a magnitude M3.5 earthquake occurred near 80 km SSE of Adak, Alaska. With a focal depth of about 23 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by USGS.

Details

Magnitude
M3.5
Depth
23.2 km
UTC time
2025-03-20 08:33:21 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.19310, -176.23890

Map

Depth profile

Depth profile Depth: 23.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 23.2 km
Shallow
23.2 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

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  • Bobrof
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  • Kasatochi
    Distance: 120 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Koniuji
    Distance: 137 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States

Stats (last 24h)

Global (24h)
652
Country (24h)
—
—
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