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 pre-order the book today on the pre-order page.