Low crested waves generated in the oceans by underwater earthquake, volcanic or landslide activity. As tsunamis move into shallow waters, their height can increase dramatically and extensive coastal areas may be subject in inundation and damage
Australian Government, State Government (Victoria), Victoria State Emergency Service SES, Flood Victoria, Glossary and Abbreviations, Victoria, Australia 2012. http://www.floodvictoria.vic.gov.au/centric/learn_ about_flooding/glossary_and_abbreviations/glossary _of_terms.jsp, (ND Emr/ Flood - Brit) {906}