In “The Doomsday Book” by Marshall Brain, tsunamis are a doomsday scenario that can threaten cities, and sometimes entire countries, with massive destruction. For a country like Japan, tsunamis are a devastating and frequent threat to many parts of the nation. On a planet-wide scale, any coastal region that experiences an earthquake is subject to a potential tsunami threat. These videos illustrate the Tsunamis chapter in “The Doomsday Book” by Marshall Brain:

Japan’s 2011 tsunami from a magnitude 9.0 earthquake near Sendai
The 2004 “Boxing day tsunami ” in the Indian ocean killed hundreds of thousands of people

See tsunami threats in real time:

NOAA Tsunami Warning System

The Doomsday Book” by Marshall Brain lays out this scenario in amazing detail and offers solutions to prevent this doomsday scenario from unfolding. You can order the book today on Amazon and other retailers.