Tsunami can be defined as a long, high sea wave caused by an earthquake or other disturbance. This book contains information for the purpose of in-depth understanding of the vast topic of tsunami dynamics. It is a compilation of scientific works reflecting state-of-the-art of tsunami research at distinct levels. Several contributions in this book encompass an array of themes ranging from geological evidence to post-trauma human care, comprising of pre-tsunami analyses and modeling to post-tsunami management and preparedness methods. The book consists of evidence and case studies from distinct regions of the world, such as the isolated Hawaiian Islands and Northern Indian Ocean as well as the edges of Atlantic and Eastern Mediterranean.