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Showing 1–9 of 9 results
Advanced filters: Author: Valerio Acocella Clear advanced filters

  • As continents are stretched apart, deep rift valleys form and volcanoes can erupt both inside and outside of the valley. Numerical modelling suggests that gravitational unloading, caused by thinning of the stretched crust, can deflect rising magma towards the edges of the rift valley, causing off-rift eruptions.

    • Francesco Maccaferri
    • Eleonora Rivalta
    • Valerio Acocella
    Research
    Nature Geoscience
    Volume: 7, P: 297-300

  • Magmas may migrate through hydrothermal fluids, but magma-hydrothermal interactions are poorly understood. Here, Chiodini et al. use physical and volatile models showing that at a critical degassing pressure the release of magmatic gases can heat hydrothermal fluids triggering deformation leading to eruption.

    • Giovanni Chiodini
    • Antonio Paonita
    • Jean Vandemeulebrouck
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-9

  • Using magma inflow rate improves eruption forecasting on timescales of weeks to months for basaltic caldera systems, compared with using surface deformation alone, according to analysis of 45 unrest case studies and viscoelastic modelling.

    • Federico Galetto
    • Valerio Acocella
    • Marco Bagnardi
    Research
    Nature Geoscience
    Volume: 15, P: 580-584

  • Following a large caldera creating volcanic eruption, caldera resurgence may occur as magma accumulation takes place, but this rarely leads to another a major eruption. Here, the authors using thermal and experimental models show that caldera resurgence is driven by magma viscosity contrasts.

    • Federico Galetto
    • Valerio Acocella
    • Luca Caricchi
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-11

  • Volcanic eruptions are major natural hazards, but forecasting their activity remains challenging. This Review discusses scientific and monitoring approaches used to forecast magmatic eruptions.

    • Valerio Acocella
    • Maurizio Ripepe
    • Erouscilla Joseph
    Reviews
    Nature Reviews Earth & Environment
    Volume: 5, P: 5-22

  • The unrest and surface deformation observed at Campi Flegrei caldera (Italy) between 2007 and 2023 are driven by magma ascent to depths shallower than eight kilometers, according to combined geodetic and petrologic simulations.

    • Ana Astort
    • Elisa Trasatti
    • Mauro A. Di Vito
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 5, P: 1-15