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M5.2 Depth: 39.9 km

M5.2 Earthquake near 146 km SW of Adak, Alaska

UTC time: 2025-04-16 03:49:49 UTC Local time: —

About this earthquake

A magnitude M5.2 earthquake was recorded near 146 km SW of Adak, Alaska on April 16, 2025 at 03:49 UTC. With a focal depth of about 40 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by USGS.

Details

Magnitude
M5.2
Depth
39.9 km
UTC time
2025-04-16 03:49:49 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.15460, -178.40090

Map

Depth profile

Depth profile Depth: 39.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 39.9 km
Shallow
39.9 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

  • Gareloi
    Distance: 76 km ·Stratovolcano ·Elevation: 1'573 m ·Last eruption: 1989 ·United States
  • Tanaga
    Distance: 83 km ·Stratovolcano(es) ·Elevation: 1'806 m ·Last eruption: 1914 ·United States
  • Takawangha
    Distance: 84 km ·Stratovolcano ·Elevation: 1'449 m ·Last eruption: 1550 ·United States
  • Bobrof
    Distance: 107 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Kanaga
    Distance: 121 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Moffett
    Distance: 144 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States

Subsequent earthquakes nearby

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

First 6 hours4
First 24 hours4
First 72 hours9
Strongest subsequent eventM3.9
M2.92025-04-16 03:54:03 UTC3.4 km145 km WSW of Adak, Alaska M2.62025-04-16 03:54:46 UTC3.5 km149 km WSW of Adak, Alaska M2.52025-04-16 04:37:36 UTC82.6 km218 km WSW of Adak, Alaska M2.02025-04-16 07:53:55 UTC97.7 km55 km SSW of Adak, Alaska M2.42025-04-17 07:04:06 UTC2.7 km146 km WSW of Adak, Alaska M2.52025-04-17 09:38:40 UTC121.2 km184 km W of Adak, Alaska M2.02025-04-17 10:13:48 UTC6.6 km143 km WSW of Adak, Alaska M2.52025-04-17 10:45:46 UTC86.4 km145 km SSW of Adak, Alaska M2.22025-04-18 10:12:16 UTC75.9 km205 km WSW of Adak, Alaska M2.92025-04-20 05:40:01 UTC62.9 km86 km SW of Adak, Alaska M3.92025-04-20 23:28:33 UTC15.9 km158 km WSW of Adak, Alaska M2.22025-04-21 00:12:15 UTC38.6 km154 km WSW of Adak, Alaska

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#2
Earlier events M≥48
Earlier events M≥52
Compared since2025-01-02

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

Strongest earlier events

M5.22025-03-20 04:28:53 UTC148.8 kmAndreanof Islands, Aleutian Islands M5.12025-03-20 05:13:06 UTC137.3 kmAndreanof Islands, Aleutian Islands M4.92025-01-22 13:26:06 UTC129.6 km51 km S of Adak, Alaska M4.52025-04-07 22:48:10 UTC94.8 km165 km SSW of Adak, Alaska M4.12025-01-03 05:42:19 UTC136.9 km65 km SSE of Adak, Alaska

Stats (last 24h)

Global (24h)
654
Country (24h)
—
—
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