| Descriptor in English: | Volcanic Eruptions |
| Descriptor in Spanish: | Erupciones Volcánicas |
| Descriptor in Portuguese: | Erupções Vulcânicas |
| Descriptor in French: | Éruptions volcaniques |
| Entry term(s): |
Ash, Volcanic Eruption, Volcanic Eruptions, Volcanic Gases, Volcanic Volcanic Ash Volcanic Eruption Volcanic Gases |
| Tree number(s): |
G01.311.955 SP4.037.403.514.260 SP8.473.654.762.802 |
| 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) |
| Annotation: | specify geographic term if pertinent |
| Allowable Qualifiers: |
AE adverse effects AN analysis CL classification EC economics ES ethics HI history LJ legislation & jurisprudence SN statistics & numerical data |
| History Note: | 2009 (1995); use NATURAL DISASTERS 1982-1994 |
| DeCS UI: | 31975 |
| Descriptor UI: | D018707 |
| Date Established: | 1995/01/01 |
| Date of Entry: | 1994/05/23 |
| Revision Date: | 2018/06/30 |
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PHENOMENA AND PROCESSES
Physical Phenomena [G01]Physical Phenomena -
PUBLIC HEALTH
Environmental Health [SP4]Environmental Health -
PUBLIC HEALTH
Disasters [SP8]Disasters
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Volcanic Eruptions
- Preferred
Volcanic Ash
- Narrower
Volcanic Gases
- Narrower
| Concept UI |
M0028020 |
| 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) |
| Preferred term | Volcanic Eruptions |
| Entry term(s) |
Eruption, Volcanic Eruptions, Volcanic Volcanic Eruption |
| Concept UI |
M0028021 |
| Preferred term | Volcanic Ash |
| Entry term(s) |
Ash, Volcanic |
| Concept UI |
M0028022 |
| Preferred term | Volcanic Gases |
| Entry term(s) |
Gases, Volcanic |
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