Meio Nankaido Earthquake - September 20, 1498 off the coast of Nankai, Japan this 8.6 magnitude earthquake caused a large tsunami that killed roughly 31,000 people. Because of the magnitude of this earthquake Lake Hamana became a brackish lake because it broke the earth between the lake and the ocean.
Earthquakes, underwater explosions, violent weather and volcanic activity are basically nature’s Bat signal when she feels the need to unleash a tsunami. Tsunami is taken from the Japanese language and is suppose to mean “harbor wave.” But really, it’s more than just a harbor wave. It’s a wall of aqua destruction that will crush your shit regardless of how fortified your coastal community is. Let’s take a look at some of the most destructive Tsunamis in history.