M4.3 earthquake - 120 km SSE of Unalaska, Alaska
3307 d ago · 27 Sept 2017, 17:14 UTC 120 km SSE of Unalaska, Alaska
What happened
A magnitude 4.3 earthquake struck 120 km SSE of Unalaska, Alaska on 27 Sept 2017, 17:14 UTC at a depth of 25 km.
Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.
Timeline
First reported by USGS
17 Oct 2026, 08:45 UTC
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