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The feeder system of the Toba supervolcano from the slab to the shallow reservoir.
Nat Commun
July 2016
Sobolev Institute of Geology and Mineralogy SB RAS, Prospekt Koptyuga, 3, 630090 Novosibirsk, Russia.
The Toba Caldera has been the site of several large explosive eruptions in the recent geological past, including the world's largest Pleistocene eruption 74,000 years ago. The major cause of this particular behaviour may be the subduction of the fluid-rich Investigator Fracture Zone directly beneath the continental crust of Sumatra and possible tear of the slab. Here we show a new seismic tomography model, which clearly reveals a complex multilevel plumbing system beneath Toba.
View Article and Find Full Text PDFGeophysics. Probing the underbelly of a supervolcano.
Science
May 2015
Trof muk Institute of Petroleum Geology and Geophysics, SB RAS, Prospekt Koptyuga, 3, Novosibirsk, 630090, Russia. Novosibirsk State University, Pirogova, 2, Novosibirsk, 630090, Russia.
Volcanology. The Yellowstone magmatic system from the mantle plume to the upper crust.
Science
May 2015
Seismological Laboratory, California Institute of Technology, Pasadena, CA 91125, USA.
The Yellowstone supervolcano is one of the largest active continental silicic volcanic fields in the world. An understanding of its properties is key to enhancing our knowledge of volcanic mechanisms and corresponding risk. Using a joint local and teleseismic earthquake P-wave seismic inversion, we revealed a basaltic lower-crustal magma body that provides a magmatic link between the Yellowstone mantle plume and the previously imaged upper-crustal magma reservoir.
View Article and Find Full Text PDFGeophysics. Toward "supervolcano" technology.
Science
August 2006
Department of Earth Sciences, Durham University, Durham DH1 3LE, UK.
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