Earthquake

 Indian Ocean Earthquake and Tsunami disaster
The Great East Japan Earthquake, which took place on 11 March 2011, was the most powerful earthquake ever recorded in Japan, reaching a magnitude of 9.0 and bringing unprecedented disaster to the Tohoku region and other areas.
World Economic Forum
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.
Conversation Media Group, the
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.
Seismological Society of America
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
Nuclear Engineering International
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
United Nations Office for Disaster Risk Reduction - Regional Office for Asia and Pacific
2019

Despite progress in policy measures, early warning and risk information initiatives in Indonesia, the 2018 tsunami of Palu and Donggala showed that significant challenges remain. The study was commissioned by the UN Office for Disaster Risk Reduction

United Nations Educational, Scientific and Cultural Organization - Headquarters United Nations Office for Disaster Risk Reduction - Regional Office for Asia and Pacific
It’s 6:00 am one September day when a powerful undersea earthquake rocks the Makran Trench along the coast of Pakistan and Iran. Minutes later, the tsunami warning centres in India and Indonesia issue simultaneous alerts, followed rapidly by their counterpart in Australia, and authorities across the Indian Ocean swing into action. It's all a test, and a critical component of the region's disaster preparedness.
United Nations Office for Disaster Risk Reduction United Nations Office for Disaster Risk Reduction - Regional Office for Asia and Pacific