By Patrick Bachelery, Jean-François Lenat, Andrea Di Muro, Laurent Michon
Piton de l. a. Fournaise and Karthala are either defend volcanoes within the southwest Indian Ocean. This ebook summarizes the paintings performed on those very energetic basaltic volcanoes. Piton de los angeles Fournaise has a protracted historical past of clinical learn and tracking, with many information amassed in the course of contemporary eruptions. it's one in all the main studied volcanoes on this planet. The paintings awarded during this monograph contains geological, geophysical, geochemical and petrological features, but additionally reports on actual geography, typical risks and the sociological and behavioural approaches.'
The Karthala volcano will be much less renowned, however it serves as a fascinating comparability to Piton de los angeles Fournaise. even though located with reference 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 remarkable eruptions in contemporary years.
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Extra resources for Active Volcanoes of the Southwest Indian Ocean: Piton de la Fournaise and Karthala
The anomalies are now very well deﬁned near La Réunion, and to different degrees in the other areas, depending on the available data. 2c clearly shows that near La Réunion the organization of the oceanic crust anomalies departs drastically from the classic oceanic organization into parallel stripes, as is observed beyond the La Réunion compartment. In the bottom left of the ﬁgure the authors identify a traditional pattern of anomalies with a ridge jump at chron 28 27 (*63 Ma) and an extinct rift at chron 27 (*61 Ma).
1029/ 2007GL031248 Michon L, Villeneuve N, Catry T, Merle O (2009) How summit calderas collapse on basaltic volcanoes: new insights from the April 2007 caldera collapse of Piton de la Fournaise volcano. J Volcano Geotherm Res, 184(1– 2): 138–151. 003 Montaggioni L, Nativel P, Billard G (1972) L’activite actuelle du Piton de la Fournaise (Ile de la Reunion, Ocean Indien). C R Acad Sci Paris 275:2615–2618 Peltier A, Massin F, Bachèlery P, Finizola A (2012) Internal structures and building of basaltic shield volcanoes: the example of the Piton de La Fournaise terminal cone (La Réunion).
2008), before the recent data from FOREVER (Deplus et al. 2009) and ERODER (Savoye et al. 2008) cruises were available. Preliminary interpretations using the most recent data have been published by Le Friant et al. (2011), Lebas (2012). It is likely that the submarine geology will be signiﬁcantly reﬁned in the near future, although the major units deﬁned by Oehler et al. (2008) will probably remain largely unchanged. The geological maps of Oehler et al. (2008), Lebas (2012) (for the eastern slope) show surface rocks resulting from both constructional and destruction processes.