Volcanological study of the great Tambora eruption of 1815.

S. Self, Michael Rampino, M. S. Newton, J. A. Wolff

Research output: Contribution to journalArticle

Abstract

By a conservative estimate, 175km3 of nepheline-normative trachyandesitic pyroclastic materal (equivalent to approx 50km3 of dense rock) was erupted in 24h. A 6X7km caldera, approx 1km deep, formed at the end of the pyroclastic flow phase; caldera volume closely matches that of magma ejected. Plinian and co-ignimbrite ash fall > 1cm thick covered > 500 000km2 of the Java Sea and surrounding islands, accounting for >2/3 of the magma volume erupted. This distal tephra is known only from 1815 reports, indicating that some great eruptions, especially those from island volcanoes, may be virtually undetectable in the geologic record without supporting information, such as deep-sea core data. Land-based volume estimates may be insufficient to characterize eruption magnitude in many cases.-from Authors

Original languageEnglish (US)
Pages (from-to)659-663
Number of pages5
JournalGeology
Volume12
Issue number11
DOIs
StatePublished - 1984

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volcanic eruption
caldera
magma
nepheline
pyroclastic flow
ignimbrite
tephra
deep sea
ash
volcano
rock
sea
land

ASJC Scopus subject areas

  • Geology

Cite this

Volcanological study of the great Tambora eruption of 1815. / Self, S.; Rampino, Michael; Newton, M. S.; Wolff, J. A.

In: Geology, Vol. 12, No. 11, 1984, p. 659-663.

Research output: Contribution to journalArticle

Self, S. ; Rampino, Michael ; Newton, M. S. ; Wolff, J. A. / Volcanological study of the great Tambora eruption of 1815. In: Geology. 1984 ; Vol. 12, No. 11. pp. 659-663.
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