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Volcano

Vents in the surface of the Earth through which magma and associated gases erupt; also, the forms of structures, usually conical, that are produced by the erupted material. source: USGS

photo courtesy of WMO

World Meteorological Day: WMO calls to strengthen climate observations

23 March 2008

WMO Secretary-General Michel Jarraud said "it is not possible to prevent natural hazards, but the loss of lives and the damage that they cause can be minimized through risk management based on better observations"....


 
Source of data: OFDA/CRED International Disaster Database
*: reported

What is a volcano?