Uncovering a 70-year-old permafrost degradation induced disaster in the Arctic, the 1952 Niiortuut landslide-tsunami in central West Greenland

• Published in: Science of The Total Environment
• Main Authors: Svennevig K., Keiding M., Korsgaard N. J., Lucas A., Owen M., Poulsen M. D., Priebe J., Sorensen E. V., Morino C.
• Other Authors: Svennevig, K., Keiding, M., Korsgaard, N. J., Lucas, A., Owen, M., Poulsen, M. D., Priebe, J., Sorensen, E. V., Morino, C.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Elsevier B.V. 2023
• Subjects: Arctic; Disaster; Landslide; Permafrost degradation; Tsunami; Greenland; Nuussuaq; Qullissat; Vaigat; permafrost
• Online Access: https://hdl.handle.net/11577/3481426; https://doi.org/10.1016/j.scitotenv.2022.160110

On December 15th 1952, at approximately 14:00 local time a mass of 5.9 × 106 m3 of permafrozen talus deposits failed in a landslide close to the Niiortuut mountain on the south coast of the Nuussuaq peninsula, central West Greenland. Between 1.8 and 4.5 × 106 m3 of the material entered the sea and g...