EarthquakeStrong

M4.6 earthquake - 240 km WNW of Adak, Alaska

Name: M4.6 earthquake - 240 km WNW of Adak, Alaska
Start: 2022-09-15T14:02:38.165+00:00
Location: 240 km WNW of Adak, Alaska

1493 d ago · 15 Sept 2022, 14:02 UTC 240 km WNW of Adak, Alaska

A tsunami flag was raised for this event. This does not mean a tsunami occurred. Always follow official tsunami warning centres and local authorities.

What happened

A magnitude 4.6 earthquake struck 240 km WNW of Adak, Alaska on 15 Sept 2022, 14:02 UTC at a depth of 233 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
17 Oct 2026, 10:47 UTC

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