M4.0 earthquake - 195 km WNW of Adak, Alaska
2100 d ago · 16 Jan 2021, 06:10 UTC 195 km WNW of Adak, Alaska
What happened
A magnitude 4 earthquake struck 195 km WNW of Adak, Alaska on 16 Jan 2021, 06:10 UTC at a depth of 211 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, 10:05 UTC
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