New Zealand Journal of Marine and Freshwater Research abstracts
Mathematical modelling of volcanic tsunamis
G. J. WEIR
Applied Mathematics Division
Department of Scientific and Industrial Research
P.O. Box 1335
Wellington, New Zealand
S. P. WHITE
Physics and Engineering Laboratory
Department of Scientific and Industrial Research
P.O. Box 1335
Wellington, New Zealand
Abstract The height of widespread tsunami runup about the Bay of Plenty from various volcanic scenarios involving eruptions at White Island is shown to be insignificant in all cases considered, except for Krakatoa-type explosions. The problem of localised inundation remains unanswered. Some definitions describing volcanic tsunami risk, introduced recently by J. Latter
(Bulletin volcanologique 1982), are briefly mentioned. All numerical calculations assumed cylindrical symmetry and used a flux-corrected Lax-Wendroff algorithm to solve the modified shallow water equations of Peregrine.
Keywords tsunamis; White Island; Krakatoa; submarine volcanoes; seismic activity, mathematical models; simulation; predictions
New Zealand Journal of Marine and Freshwater Research, 1982, Vol. 16 : 373-382 Received 17 March 1982; accepted 26 May 1982
PDF file of entire paper: medium quality (525K); (scanned from paper original: notes about this process)
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