A 650-foot tsunami in Greenland was the result of melting glacial ice that caused a landslide. The waves it created bounced back and forth for nine days.

The 16 September 2023 Greenland Megatsunami: Analysis and Modeling of the Source and a Week-Long, Monochromatic Seismic Signal. The Seismic Record, 2024; 4 (3): 172 DOI: 10.1785/0320240013 ...

FAQs What caused the 650-foot tsunami in Greenland? The tsunami was caused by a landslide triggered by melting glaciers in a Greenland fjord. This event led to massive waves that lasted for nine days.