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M5.0 Depth: 35.0 km

M5.0 Earthquake near 85 km SSE of Adak, Alaska

UTC time: 2025-03-21 15:03:25 UTC Local time: —

About this earthquake

On March 21, 2025 at 15:03 UTC, a magnitude M5.0 earthquake occurred near 85 km SSE of Adak, Alaska. With a focal depth of about 35 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

The event was recorded by USGS.

Details

Magnitude
M5.0
Depth
35.0 km
UTC time
2025-03-21 15:03:25 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.19280, -176.06620

Map

Depth profile

Depth profile Depth: 35 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35 km
Shallow
35 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: 96 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 98 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States
  • Kanaga
    Distance: 111 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Kasatochi
    Distance: 116 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Bobrof
    Distance: 124 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Koniuji
    Distance: 131 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 hours30
First 24 hours82
First 72 hours142
Strongest subsequent eventM5.6
M3.22025-03-21 15:08:57 UTC8.7 km94 km SSE of Adak, Alaska M4.62025-03-21 15:12:39 UTC7.6 km78 km SSE of Adak, Alaska M3.02025-03-21 15:17:49 UTC9.8 km80 km SSE of Adak, Alaska M3.92025-03-21 15:24:27 UTC18.2 km102 km SSE of Adak, Alaska M2.72025-03-21 15:29:53 UTC10.9 km91 km SSE of Adak, Alaska M2.82025-03-21 15:41:03 UTC12.8 km98 km SSE of Adak, Alaska M4.52025-03-21 15:46:32 UTC7.6 km92 km SSE of Adak, Alaska M3.22025-03-21 15:51:38 UTC18.8 km100 km SSE of Adak, Alaska M3.42025-03-21 15:52:26 UTC21.9 km107 km SSE of Adak, Alaska M4.12025-03-21 16:03:51 UTC15.2 km99 km SSE of Adak, Alaska M2.62025-03-21 16:07:55 UTC27.0 km110 km SSE of Adak, Alaska M3.02025-03-21 16:39:48 UTC6.2 km88 km SSE of Adak, Alaska

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#6
Earlier events M≥421
Earlier events M≥57
Compared since2025-01-02

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

Strongest earlier events

M6.22025-03-21 14:53:41 UTC4.1 km88 km SSE of Adak, Alaska M5.92025-03-21 14:58:28 UTC1.6 km84 km SSE of Adak, Alaska M5.62025-03-20 04:28:52 UTC4.5 km87 km SSE of Adak, Alaska M5.42025-03-20 05:13:06 UTC11.1 km94 km SSE of Adak, Alaska M5.22025-03-20 06:07:08 UTC5.9 km87 km SSE of Adak, Alaska

Stats (last 24h)

Global (24h)
650
Country (24h)
—
—
Current earthquakes in
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No recent events available.

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