Earthquake

People standing in line following the 2004 tsunami in Indonesia.
On December 26 2004, waves triggered by a massive earthquake slammed into the coastlines of countries ringing the Indian Ocean. The death toll was enormous.
Pacific Northwest Geodetic Array, Central Washington University
Researchers have developed a global earthquake monitoring system that uses the Global Navigational Satellite System (GNSS) to measure crustal deformation.
Impact of the Japan tsunami in 2011
Ian McKinley, Shinichi Nakayama and Susie Hardie consider how recovery has progressed at Fukushima Daiichi and what lessons can be learned for the future
Fumihiko Imamura, Professor of Tsunami Engineering at Tohoko University
Renowned tsunami expert Prof. Fumihiko Imamura uses the occasion of World Tsunami Awareness Day to draw attention to the threat of "black tsunamis" caused by pollution of the seas