jascha, 
Interesting paper about the Holocene Storegga #tsunami caused by a large #submarine #landslide off the coast of Norway: it resulted in run-up heights of up to 3–6 m around mainland UK & coincided with a large decline in the Mesolithic population in N. Britain.
#geoscience #geophysics #geology
https://onlinelibrary.wiley.com/doi/full/10.1002/jqs.3586?campaign=wolearlyview