Integration of remote sensing and offshore geophysical data for monitoring the short-term morphological evolution of an active volcanic flank: A case study from Stromboli Island

Daniele Casalbore*, Federico Di Traglia, Claudia Romagnoli, Massimiliano Favalli, Teresa Gracchi, Carlo Tacconi Stefanelli, Teresa Nolesini, Guglielmo Rossi, Matteo Del Soldato, I. Manzella, Paul Cole, Nicola Casagli, Francesco Latino Chiocci

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

9 Citations (Scopus)
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Abstract

The Sciara del Fuoco (SdF) collapse scar at Stromboli is an active volcanic area affected by rapid morphological changes due to explosive/effusive eruptions and mass-wasting processes. The aim of this paper is to demonstrate the importance of an integrated analysis of multi-temporal remote sensing (photogrammetry, COSMO-SkyMed Synthetic Aperture Radar amplitude image) and marine geophysical data (multibeam and side scan sonar data) to characterize the main morphological, textural, and volumetric changes that occurred along the SdF slope in the 2020–2021 period. The analysis showed the marked erosive potential of the 19 May 2021 pyroclastic density current generated by a crater rim collapse, which mobilized a minimum volume of 44,000 m3 in the upper Sciara del Fuoco slope and eroded 350,000–400,000 m3 of material just considering the shallow-water setting. The analysis allowed us also to constrain the main factors controlling the emplacement of different lava flows and overflows during the monitored period. Despite the morphological continuity between the subaerial and submarine slope, textural variations in the SdF primarily depend on different processes and characteristics of the subaerial slope, the coastal area, the nearshore, and “deeper” marine areas.
Original languageEnglish
Article number4605
JournalRemote sensing
Volume14
Issue number18
DOIs
Publication statusPublished - 15 Sept 2022

Keywords

  • ITC-ISI-JOURNAL-ARTICLE
  • ITC-GOLD

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