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2020

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cc-by (c) Álvarez Valero, Antoni M. et al., 2020
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/193580

Magma ascent and eruption forecasting at Deception Island volcano (Antarctica) evidenced by δD and δ18O variations

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https://doi.org/10.5194/egusphere-egu2020-12700

Abstract

Geochemistry of volatiles in active volcanoes provides insights into the magmatic processes and evolution at depth, such as magma evolution and degassing, which can be implemented into volcanic hazards assessment. Deception Island is one of the most active volcanoes in Antarctica, with more than twenty explosive eruptions documented over the past two centuries. Hydrogen and oxygen isotopic variations in the volatiles trapped in the Deception Island rocks (glass and melt inclusions in phenocrysts) provide essential information on the mechanisms controlling the eruptive history in this volcanic suite. Thus, understanding the petrological and related isotopic variations in the island, has the potential to foresee the possible occurrence and its main eruptive features of a future eruption.

Subject

Volcans, Geoquímica, Magmatisme, Antàrtida

Subject (English)

Volcanoes, Geochemistry, Magmatism, Antarctica

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Articles publicats en revistes (Mineralogia, Petrologia i Geologia Aplicada)

Citation

ÁLVAREZ VALERO, Antoni M., et al. Magma ascent and eruption forecasting at Deception Island volcano (Antarctica) evidenced by δD and δ18O variations. Geophysical Research Abstracts. 2020. Vol. EGU2020, num. 12700. ISSN 1029-7006. [consulted: 17 of August of 2026]. Available at: https://hdl.handle.net/2445/193580

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