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Department of Geography Geochronology

Can trees predict volcanic eruptions?

Trees near a fissure through which a magma eruption will later occur use water and carbon from the depths of the volcano. And they accelerate their growth during this phase. An international research team led by Markus Egli and Paolo Cherubini (WSL) was able to prove this by analysing the annual rings and with the help of infrared satellite images on Mount Etna in Sicily.

Piano Provenzana

Gli alberi possono prevedere eruzioni vulcaniche? (in Italian)
Sicilia Network, 31 March 2023


Seiler, Ruedi. Tree growth rings as early indicators of volcanic activity on Mt. Etna (Italy). 2017, University of Zurich, Faculty of Science.

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Prof. Markus Egli
Department of Geography, UZH

Tel +41 44 63 55114