Tsunami Source 3 : 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
Intergovernmental Oceanographic Commission IOC, Tsunami Glossary, Paris, UNESCO, IOC Technical Series No. 85 (English.), United Nations Educational, Scientific and Cultural Organization, Paris, France 2008. (Printed by NOAA, The International Tsunami Information Center, Hawaii, USA). http://walrus.wr.usgs.gov/news/tsunami_glossary_sm all.pdf, (ND/ Tsunami Sci and Emr - Amer) {96}