Structured Summary
Abstract
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)
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Classification
Broader headings
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Synonyms
7 entry terms
- Volcanic Eruption
- Eruption, Volcanic
- Eruptions, Volcanic
- Volcanic Ash
- Volcanic Gases
- Ash, Volcanic
- Gases, Volcanic
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Aspects Covered
8 allowable subheadings
Indexed with the subheadings adverse effects, analysis, classification, economics, ethics, history, legislation & jurisprudence, statistics & numerical data.
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Indexing Annotation
specify geographic term if pertinent
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History Note
2009 (1995); use NATURAL DISASTERS 1982-1994
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Previous Indexing
- Air Pollutants, Environmental (1982-1994)
- Geology (1966-1979)
- Natural Disasters (1982-1994)
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AMA Style
References
- National Library of Medicine. Volcanic Eruptions. Medical Subject Headings (MeSH). 2026. Unique ID D018707. http://id.nlm.nih.gov/mesh/2026/D018707
- Volcanic Eruptions. In: Wikipedia. https://en.wikipedia.org/wiki/Volcanic_eruption
- Volcanic Eruptions. In: Wikidata. https://www.wikidata.org/wiki/Q7692360