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Volcano crisis management at Piton de la Fournaise (La Réunion) during the...

Peltier, A., V. Ferrazzini, A. Di Muro, P. Kowalski, N. Villeneuve, N. Richter, O. Chevrel, Jl. Froger, A. Hrysiewicz, M. Gouhier, D. Coppola, L. Retailleau, F. Beauducel, L. Gurioli, P. Boissier, C. Brunet, P. Catherine, F. Fontaine, F. Lauret, L. Garavaglia, J. Lebreton, K. Canjamale, N. Desfete, C. Griot, A. Harris, S. Arellano, M. Liuzzo, S. Gurrieri, and M. Ramsey (2020), Volcano crisis management at Piton de la Fournaise (La Réunion) during the COVID-19 lockdown, Seismol. Res. Lett., XX, 1-15, doi:10.1785/0220200212.

In March 2020, the coronavirus disease 2019 outbreak was declared a pandemic by the World Health Organization and became a global health crisis. Authorities worldwide implemented lockdowns to restrict travel and social exchanges in a global effort to counter the pandemic. In France, and in French overseas departments, the lockdown was effective from 17 March to 11 May 2020. It was in this context that the 2–6 April 2020 eruption of Piton de la Fournaise (La Réunion Island, Indian Ocean) took place. Upon the announcement of the lockdown in France, a reduced activity plan was set up by the Institut de Physique du Globe de Paris, which manages the Observatoire Volcanologique du Piton de la Fournaise (OVPF). The aim was to (1) maintain remote monitoring operations by teleworking and (2) authorize fieldwork only for critical reasons, such as serious breakdowns of stations or transmission relays. This eruption provided an opportunity for the observatory to validate its capacity to manage a volcanic crisis with 100% remotely operated monitoring networks. We thus present the long- and short-term precursors to the eruption, and the evolution of the eruption recorded using the real-time monitoring data as communicated to the stakeholders. The data were from both continuously recording and transmitting field instruments as well as satellites. The volcano observatory staff remotely managed the volcano crisis with the various stake-

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