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Ground deformation reveals the scale-invariant conduit dynamics driving explosive basaltic eruptions

Author

Listed:
  • M. Ripepe

    (Università di Firenze)

  • G. Lacanna

    (Università di Firenze)

  • M. Pistolesi

    (Università di Pisa)

  • M. C. Silengo

    (Università di Firenze)

  • A. Aiuppa

    (Università di Palermo)

  • M. Laiolo

    (Università di Firenze
    Università di Torino)

  • F. Massimetti

    (Università di Firenze)

  • L. Innocenti

    (Università di Firenze)

  • M. Della Schiava

    (Università di Firenze)

  • M. Bitetto

    (Università di Palermo)

  • F. P. Monica

    (Università di Firenze)

  • T. Nishimura

    (Tohoku University)

  • M. Rosi

    (Università di Pisa)

  • D. Mangione

    (Dipartimento di Protezione Civile)

  • A. Ricciardi

    (Dipartimento di Protezione Civile)

  • R. Genco

    (Università di Firenze)

  • D. Coppola

    (Università di Torino)

  • E. Marchetti

    (Università di Firenze)

  • D. Delle Donne

    (Osservatorio Vesuviano)

Abstract

The mild activity of basaltic volcanoes is punctuated by violent explosive eruptions that occur without obvious precursors. Modelling the source processes of these sudden blasts is challenging. Here, we use two decades of ground deformation (tilt) records from Stromboli volcano to shed light, with unprecedented detail, on the short-term (minute-scale) conduit processes that drive such violent volcanic eruptions. We find that explosive eruptions, with source parameters spanning seven orders of magnitude, all share a common pre-blast ground inflation trend. We explain this exponential inflation using a model in which pressure build-up is caused by the rapid expansion of volatile-rich magma rising from depth into a shallow (

Suggested Citation

  • M. Ripepe & G. Lacanna & M. Pistolesi & M. C. Silengo & A. Aiuppa & M. Laiolo & F. Massimetti & L. Innocenti & M. Della Schiava & M. Bitetto & F. P. Monica & T. Nishimura & M. Rosi & D. Mangione & A. , 2021. "Ground deformation reveals the scale-invariant conduit dynamics driving explosive basaltic eruptions," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-21722-2
    DOI: 10.1038/s41467-021-21722-2
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    Cited by:

    1. Chiara Maria Petrone & Silvio Mollo & Ralf Gertisser & Yannick Buret & Piergiorgio Scarlato & Elisabetta Bello & Daniele Andronico & Ben Ellis & Alessio Pontesilli & Gianfilippo Astis & Pier Paolo Gia, 2022. "Magma recharge and mush rejuvenation drive paroxysmal activity at Stromboli volcano," Nature Communications, Nature, vol. 13(1), pages 1-17, December.
    2. M. Ripepe & G. Lacanna, 2024. "Volcano generated tsunami recorded in the near source," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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