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R. Stephen J. Sparks

Researcher at University of Bristol

Publications -  93
Citations -  6593

R. Stephen J. Sparks is an academic researcher from University of Bristol. The author has contributed to research in topics: Volcano & Magma. The author has an hindex of 39, co-authored 93 publications receiving 5745 citations.

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Discharge of pyroclastic flows into the sea during the 1996–1998 eruptions of the Soufrière Hills volcano, Montserrat

TL;DR: A marine geological survey was conducted in July 1998 to study the submarine extensions of both deltas as mentioned in this paper, and detailed profiles of depth and sub-bottom structure were obtained using a CHIRP II/bubble pulser system.
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Vertically extensive magma reservoir revealed from joint inversion and quantitative interpretation of seismic and gravity data

TL;DR: In this article, the authors investigated the storage of melt below the active Soufrière Hills Volcano (SHV), Montserrat, using joint geophysical inversion combined with a quantitative interpretation approach based on rock physics.
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The Significance of Grain-Size Breaks in Turbidites and Pyroclastic Density Current Deposits

TL;DR: A tripartite zonation with prominent grain-size breaks was observed in turbidite beds and pyroclastic density current deposits as discussed by the authors, where fine particles are elutriated into the wake region by ambient entrainment through the current head, while coarse grains are transported in the body.
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Evidence for carbonate platform failure during rapid sea-level rise; ca 14 000 year old bioclastic flow deposits in the Lesser Antilles

TL;DR: The largest volume sediment flows near the Soufriere Hills volcano on Montserrat in the Lesser Antilles in the last 26 kyr were generated by a large submarine slope failure of the carbonate shelf comprising the south-west flank of Antigua or the east flank of Redonda as mentioned in this paper.
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Vulcanian explosion at Soufrière Hills Volcano, Montserrat on March 2004 as revealed by strain data

TL;DR: In this paper, the Sacks-Evertson strain data for the March 2004 explosion of the Soufriere Hills Volcano are characterized by large, roughly equal but opposite polarity changes at two near sites and much smaller changes at a more distant site.