It is a literal wave of destruction. Originating deep within the ocean, it poses a seemingly invisible threat until it reaches land. Then, this incredible force of nature can unleash a wrath of Biblical proportions. This is a tsunami. Is there a way to predict such a massive disaster? What can be done to mitigate the damage of these deadly natural catastrophes? In this episode, we examine the causes and the devastation of the Palu tsunami of 2018 in order to try to understand how to better predict tsunamis, and save lives, in the future.