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New formulae for estimating lava flow volumes at Mt. Etna Volcano, Sicily

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Acknowledgement to referees for Volume 61 (1999–2000)

Bulletin of Volcanology : Volume 61, Issue 7, January 2000

Bulletin of Volcanology : Volume 61, Issue 6, November 1999

Bulletin of Volcanology : Volume 61, Issue 5, October 1999

Bulletin of Volcanology : Volume 61, Issue 4, September 1999

Bulletin of Volcanology : Volume 61, Issue 3, August 1999

Bulletin of Volcanology : Volume 61, Issue 1-2, July 1999

Bulletin of Volcanology : Volume 60

Bulletin of Volcanology : Volume 59

Bulletin of Volcanology : Volume 58

New formulae for estimating lava flow volumes at Mt. Etna Volcano, Sicily

Content Provider	Springer Nature Link
Author	Murray, J. B. Stevens, N. F.
Copyright Year	2000
Abstract	A new data set of Etna lava flows erupted since 1868 has been compiled from eight topographic maps of the volcano published at intervals since then. Volumes of 59 flows or groups of flows were measured from topographic difference maps. Most of these volumes are likely to be considerably more accurate than those published previously. We cut the number of flow volumes down to 25 by selecting those examples for which the volume of an individual eruption could be derived with the highest accuracy. This refined data set was searched for high correlations between flow volume and more directly measurable parameters. Only two parameters showed a correlation coefficient of 70% or greater: planimetric flow area A (70%) and duration of the eruption D (79%). If only short duration (<18 days) flows were used, flow length cubed, L3, had a correlation coefficient of 98%. Using combinations of measured parameters, much more significant correlations with volume were found. Dh had a correlation coefficient of 90% (h is the hydrostatic head of magma above the vent), and , 92% (where W is mean width and E is the degree of topographic enclosure), and a combination of the two , 97%. These latter formulae were used to derive volumes of all eruptions back to 1868 to compare with those from the complete data set. Values determined from the formulae were, on average, lower by 16% (Dh), 7% ( , and 19% .
Starting Page	515
Ending Page	526
Page Count	12
File Format	PDF
ISSN	02588900
Journal	Bulletin of Volcanology
Volume Number	61
Issue Number	8
e-ISSN	14320819
Language	English
Publisher	Springer-Verlag
Publisher Date	2000-02-11
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Geochemistry and Petrology

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