M4.7 earthquake - 219 km SSE of Old Harbor, Alaska
3353 d ago · 12 Aug 2017, 14:41 UTC 219 km SSE of Old Harbor, 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 4.7 earthquake struck 219 km SSE of Old Harbor, Alaska on 12 Aug 2017, 14:41 UTC at a depth of 10 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, 08:43 UTC
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