Petrone, CM, Mollo, S, Gertisser, R, Buret, Y, Scarlato, P, Del Bello, E, Andronico, D, Ellis, B, Pontesilli, A, De Astis, G, Giacomoni, PP, Coltorti, M and Reagan, M (2022) Magma recharge and mush rejuvenation drive paroxysmal activity at Stromboli volcano. Nature Communications, 13 (1). ISSN 2041-1723

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<jats:title>Abstract</jats:title><jats:p>Open-conduit basaltic volcanoes can be characterised by sudden large explosive events (paroxysms) that interrupt normal effusive and mild explosive activity. In June-August 2019, one major explosion and two paroxysms occurred at Stromboli volcano (Italy) within only 64 days. Here, via a multifaceted approach using clinopyroxene, we show arrival of mafic recharges up to a few days before the onset of these events and their effects on the eruption pattern at Stromboli, as a prime example of a persistently active, open-conduit basaltic volcano. Our data indicate a rejuvenated Stromboli plumbing system where the extant crystal mush is efficiently permeated by recharge magmas with minimum remobilisation promoting a direct linkage between the deeper and the shallow reservoirs that sustains the currently observed larger variability of eruptive behaviour. Our approach provides vital insights into magma dynamics and their effects on monitoring signals demonstrating the power of petrological studies in interpreting patterns of surficial activity.</jats:p>

Item Type: Article
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Subjects: Q Science > Q Science (General)
Q Science > QE Geology
Divisions: Faculty of Natural Sciences > School of Geography, Geology and the Environment
Depositing User: Symplectic
Date Deposited: 16 Dec 2022 11:55
Last Modified: 16 Dec 2022 11:55

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