Tsunami Source 1 : Point or area of tsunami origin, usually the site of an earthquake, volcanic eruption, or landslide that caused large-scale rapid displacement of the water to initiate the tsunami waves
International Tsunami Information Center (A UNESCO/IOC-NOAA Partnership), Honolulu, HI, USA 2013.http://itic.ioc-unesco.org/index.php?option=c om_content&view=article&id=1868:online-glo ssary-2013328&catid=1142&Itemid=2435, (ND/ Tsunami Emr - Amer) {959}