Not simply a theoretical problem
http://news.bbc.co.uk/2/hi/science/nature/8028949.stm
The USGS cores from the Carolinas showing more impact mega-tsunamis should be along shortly
http://news.bbc.co.uk/2/hi/science/nature/8028949.stm
The USGS cores from the Carolinas showing more impact mega-tsunamis should be along shortly