Sieberg Tsunami Intensity Scale 3 : A descriptive tsunami intensity scale, which was later modified into the Sieberg-Ambraseys tsunami intensity scale (Ambraseys 1962) described below
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}
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}