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Volcanic Eruptions MeSH Descriptor Data 2023

MeSH Heading
Volcanic Eruptions
Tree Number(s)
Unique ID
RDF Unique Identifier
specify geographic term if pertinent
Scope Note
The ash, dust, gases, and lava released by volcanic explosion. The gases are volatile matter composed principally of about 90% water vapor, and carbon dioxide, sulfur dioxide, hydrogen, carbon monoxide, and nitrogen. The ash or dust is pyroclastic ejecta and lava is molten extrusive material consisting mainly of magnesium silicate. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Entry Term(s)
Volcanic Ash
Volcanic Eruption
Volcanic Gases
Previous Indexing
Air Pollutants, Environmental (1982-1994)
Geology (1966-1979)
Natural Disasters (1982-1994)
Public MeSH Note
2009; see VOLCANIC ERUPTION 1995-2008, see NATURAL DISASTERS 1982-1994
History Note
2009 (1995); use NATURAL DISASTERS 1982-1994
Date Established
Date of Entry
Revision Date
Volcanic Eruptions Preferred
Volcanic Ash Narrower
Volcanic Gases Narrower
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