By Patrick Bachelery, Jean-François Lenat, Andrea Di Muro, Laurent Michon
Piton de los angeles Fournaise and Karthala are either safeguard volcanoes within the southwest Indian Ocean. This ebook summarizes the paintings performed on those very lively basaltic volcanoes. Piton de los angeles Fournaise has a protracted historical past of medical examine and tracking, with many info amassed in the course of fresh eruptions. it really is one in every of the main studied volcanoes on the earth. The paintings awarded during this monograph contains geological, geophysical, geochemical and petrological facets, but additionally stories on actual geography, ordinary dangers and the sociological and behavioural approaches.'
The Karthala volcano should be much less renowned, however it serves as an engaging comparability to Piton de los angeles Fournaise. even supposing positioned as regards to the volcanoes of Hawaii, it differs from them by way of its extra alkaline magmas and no more widespread job. It used to be additionally monitored for greater than 25 years, generating impressive eruptions in contemporary years.
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Extra info for Active Volcanoes of the Southwest Indian Ocean: Piton de la Fournaise and Karthala
Marine Geophys Res 20:273–291 Torsvik TH, Amundsen H, Hartz EH, Corfu F, Kusznir N, Gaina C, Doubrovine PV, Steinberger B, Ashwal LD, Jamtveit B (2013) A Precambrian microcontinent in the Indian Ocean. Nat Geosci 6(3):223–227. doi:10. 1038/ngeo1736 3 Construction of La Réunion Jean-François Lénat Abstract La Réunion is a huge volcanic ediﬁce, 220–240 km in diameter and 7 km in height, lying on a *4000 m deep ocean floor. Unlike for most oceanic volcanoes, the lithosphere beneath La Réunion exhibits, no, or very weak, flexure.
The submarine bulges are dissected and bound by canyons up to 200 m deep, ﬁlled with coarse sediments, and generally connected to onshore streams (Babonneau et al. 2013; Saint-Ange et al. 2011; Sisavath et al. 2011). In the abyssal plain, these canyons evolve into huge volcanoclastic deep-sea fans, clearly visible on the acoustic image on Fig. 3b of Lénat (2016, Chap. 2). These sediment systems have been studied by several authors (Ollier et al. 1998; Saint-Ange et al. 2011; Saint-Ange 2009; Sisavath et al.
EGU2009-5728 Deplus C, de Voogd B, Dyment J, Depuiset F, Sisavath E, Forever cruise scientiﬁc party (2007) Does the Reunion hotspot volcano emplace on a fossil ridge or a fracture zone? In: Eos Transactions Supplement, AGU fall meeting abstracts V31F-05, San Francisco Duncan RA (1990) The volcanic record of the Reunion hotspot. In: Duncan RA, Backman J, Dunbar RB, Peterson LC (eds) Proceedings of ocean drilling program science results, vol 115, pp 3–10 Duncan RA, Backman J, Peterson L (1989) Reunion hotspot activity through tertiary time: initial results from the ocean drilling program, Leg 115.