EarthquakeModerate

M4.8 earthquake - 54 km W of Adak, Alaska

Name: M4.8 earthquake - 54 km W of Adak, Alaska
Start: 2025-08-05T11:04:08.586+00:00
Location: 54 km W of Adak, Alaska

438 d ago · 5 Aug 2025, 11:04 UTC 54 km W of Adak, Alaska

What happened

A magnitude 4.8 earthquake struck 54 km W of Adak, Alaska on 5 Aug 2025, 11:04 UTC at a depth of 87 km.

Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.

Timeline

First reported by USGS
18 Oct 2026, 04:16 UTC

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