Deformation and rupture of the oceanic crust may control growth of Hawaiian volcanoes

Jean-Luc Got (), Vadim Monteiller, Julien Monteux, Riad Hassani and Paul Okubo
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Jean-Luc Got: Laboratoire de Géophysique Interne et Tectonophysique, Université de Savoie, 73376, Le Bourget-du-Lac, France
Vadim Monteiller: Laboratoire de Géophysique Interne et Tectonophysique, Université de Savoie, 73376, Le Bourget-du-Lac, France
Julien Monteux: Laboratoire de Sciences de la Terre, Ecole Normale Supérieure, 69364, Lyon, France
Riad Hassani: Laboratoire de Géophysique Interne et Tectonophysique, Université de Savoie, 73376, Le Bourget-du-Lac, France
Paul Okubo: US Geological Survey Hawaiian Volcano Observatory, Hawaii National Park, 97560, Hawaii, USA

Nature, 2008, vol. 451, issue 7177, 453-456

Abstract: The Hawaiian connection Hawaiian volcanoes are formed by the extrusion of large quantities of basaltic magma related to hot-spot activity below the Pacific plate. Despite many years of study, aspects of the topography characteristic of these volcanoes, such as rift zones, giant fault scarps and the resulting landslides, remain largely unexplained. Jean-Luc Got et al. use seismological data and finite-element mechanical modelling to show that surface topography may be controlled by the topography of the oceanic crust beneath the island, which is heavily deformed under the load of the volcano.

Date: 2008
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DOI: 10.1038/nature06481

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