EMS98 intensities distribution of the “Le Teil” earthquake, France, 11 November 2019 (Mw 4.9) based on macroseismic surveys and field investigations

• Published in: Comptes rendus. Geoscience 2021-01, Vol.353 (S1), p.465-492
• Main Authors: Schlupp, Antoine, Sira, Christophe, Maufroy, Emeline, Provost, Ludmila, Dretzen, Rémi, Bertrand, Etienne, Beck, Elise, Schaming, Marc
• Format: Article
• Language: English
• Subjects: Civil Engineering; Earth Sciences; Earthquake damage; Earthquakes; EMS98; Engineering Sciences; Field tests; France; Geography; Geophysics; Humanities and Social Sciences; Intensity; Le Teil earthquake; Macroseismic; Observatories; Polls & surveys; Sciences of the Universe; Seismic activity; Vulnerability
• ISSN: 1778-7025; 1631-0713; 1778-7025
• DOI: 10.5802/crgeos.88

The Le Teil earthquake (south France, 11 November 2019, Mw 4.9, 1 km depth, about 4 km of surface rupture) was felt at a distance up to about 300 km. We estimate the EMS98 intensity in each of the affected localities by collecting macroseismic observations via both individual forms, filled in by citizens (2094 testimonies), and collective forms, filled in by authorities (388 localities), and by conducting a field survey in the epicentral zone (24 most damaged cities). Field observations and communal surveys remain essential in the case of structural damage. Intensities deduced from public surveys are preliminary, and their consideration in the final estimates must be limited. The maximum intensity (EMS98) observed is VII–VIII in Le Teil, and 30 localities experienced an intensity \({\ge }\) VI. The earthquake generated damage (\(I \ge \mathrm{V}\)) up to about 50 km away and was felt in at least 568 localities.