Events of natural causes that result in a disaster. Examples are: hurricanes, tropical storms, floods, erosion, landslides earthquakes tidal surges/tsunamis and volcanoes.
National Emergency Management Organisation (NEMO), Saint Lucia Disaster Plan, Section 13: Glossary (3.0 Terms Used In The Volcanic Plan), Castries, Saint Lucia, West Indies 1996. http://www.reocities.com/CapitolHill/lobby/6075/Gl ossary.htm, (Emr/ Volc and Oil Spills - Brit) {139}