Articles | Volume 23, issue 5
https://doi.org/10.5194/nhess-23-1743-2023
https://doi.org/10.5194/nhess-23-1743-2023
Research article
 | 
12 May 2023
Research article |  | 12 May 2023

Clustering of eruptive events from high-precision strain signals recorded during the 2020–2022 lava fountains at the Etna volcano (Italy)

Luigi Carleo, Gilda Currenti, and Alessandro Bonaccorso

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AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
ED: Publish subject to minor revisions (review by editor) (03 Apr 2023) by Giovanni Macedonio
AR by Gilda Currenti on behalf of the Authors (03 Apr 2023)  Author's response   Author's tracked changes   Manuscript 
ED: Publish as is (19 Apr 2023) by Giovanni Macedonio
AR by Gilda Currenti on behalf of the Authors (20 Apr 2023)  Manuscript 
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Short summary
Lava fountains at the Etna volcano are explosive eruptions that pose a serious threat to civil infrastructure and aviation. Their evolution from weak explosion to sustained eruptive column is imprinted in tiny ground deformations caught by strain signals with diverse duration and amplitude. By performing a clustering analysis on strain variations, we discover a transition among four eruptive styles, providing useful hints for volcano monitoring and hazard assessment.
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