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Volcano Crisis Management at Piton de la Fournaise (La Réunion) during the COVID-19 Lockdown

Aline Peltier 1, 2 Valérie Ferrazzini 1, 2 Andrea Di Muro 1, 2 Philippe Kowalski 1, 2 Nicolas Villeneuve 1, 3 Nicole Richter 1, 2 Magdalena Oryaëlle Chevrel 4 Jean-Luc Froger 4 Alexis Hrysiewicz 4 Mathieu Gouhier 4 Diego Coppola 5 Lise Retailleau 1, 2 François Beauducel 1, 6, 7 Lucia Gurioli 4 Patrice Boissier 1, 2 Christophe Brunet 1, 2 Philippe Catherine 1, 2 Fabrice Fontaine Fréderic Lauret 1, 2 Luciano Garavaglia 1, 2 Jacques Lebreton 1, 2 Kevin Canjamale 1, 2 Nicolas Desfete 1, 2 Cyprien Griot 1, 2 Andrew Harris 4 Santiago Arellano 8 Marco Liuzzo 9 Sergio Gurrieri 9 Michael Ramsey 10
1 Institut de Physique du Globe de Paris
2 OVPF - Observatoire Volcanologique du Piton de la Fournaise
3 LGSR - Laboratoire GéoSciences Réunion
4 LMV - Laboratoire Magmas et Volcans
5 Dipartimento di Scienze della Terra, Università di Torino, Turin
6 IFSTTAR - Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux
7 ISTerre - Institut des Sciences de la Terre
8 Department of Space, Earth and Environment, Chalmers University of Technology
9 INGV - Istituto Nazionale di Geofisica e Vulcanologia - Sezione di Palermo
10 Department of Geology and Environmental Science [Pittsburgh]
Abstract : 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 stakeholders based only on these remotely functioning networks. Monitoring duties were also assured in the absence of ad hoc field investigation of the eruption by observatory staff or face‐to‐face communications. The density and reliability of the OVPF networks, combined with satellite observations, allowed for trustworthy instrument‐based monitoring of the eruption and continuity of the OVPF duties in issuing regular updates of volcanic activity in the context of a double crisis: volcanic and health.
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https://hal.uca.fr/hal-03001122
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Submitted on : Thursday, November 12, 2020 - 11:23:57 AM
Last modification on : Friday, January 14, 2022 - 3:41:32 AM
Long-term archiving on: : Saturday, February 13, 2021 - 7:07:19 PM

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PRES_CLERMONT | AFRIQ | UNIV-REUNION | LGSR | UNIV-SAVOIE | ACL-SF | LMV | ISTERRE | FST-REUNION | CNRS | INSU | IRD | IFSTTAR | PAPANGUE | OSUG | UGA | UNIV-PARIS | IPGP | OPGC

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Aline Peltier, Valérie Ferrazzini, Andrea Di Muro, Philippe Kowalski, Nicolas Villeneuve, et al.. Volcano Crisis Management at Piton de la Fournaise (La Réunion) during the COVID-19 Lockdown. Seismological Research Letters, Seismological Society of America, 2021, 20 (20), ⟨10.1785/0220200212⟩. ⟨hal-03001122⟩

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