@article{fdi:010081726, title = {{S}urface rupture and shallow fault reactivation during the 2019 {M}w 4.9 {L}e {T}eil earthquake, {F}rance}, author = {{R}itz, {J}.{F}. and {B}aize, {S}. and {F}erry, {M}. and {L}arroque, {C}. and {A}udin, {L}aurence and {D}elouis, {B}. and {M}athot, {E}.}, editor = {}, language = {{ENG}}, abstract = {{T}he {R}h{\^o}ne {R}iver {V}alley in {F}rance, a densely populated area with many industrial facilities including several nuclear power plants, was shaken on {N}ovember 11th 2019, by the {M}w 4.9 {L}e {T}eil earthquake. {H}ere, we report field, seismological and interferometric synthetic-aperture radar observations indicating that the earthquake occurred at a very shallow focal depth on a southeast-dipping reverse-fault. {W}e show evidence of surface rupture and up to 15?cm uplift of the hanging wall along a northeast-southwest trending discontinuity with a length of about 5?km. {T}ogether, these lines of evidence suggest that the {O}ligocene {L}a {R}ouvi{\`e}re fault was reactivated. {B}ased on the absence of geomorphic evidence of cumulative compressional deformation along the fault, we suggest that it had not ruptured for several thousand or even tens of thousands of years. {O}ur observations raise the question of whether displacement from surface rupture represents a hazard in regions with strong tectonic inheritance and very low strain rates.}, keywords = {{FRANCE} ; {ARDECHE} ; {LE} {TEIL}}, booktitle = {}, journal = {{C}ommunications {E}arth and {E}nvironment}, volume = {1}, numero = {}, pages = {10 [11 en ligne]}, ISSN = {2662-4435}, year = {2020}, DOI = {10.1038/s43247-020-0012-z}, URL = {https://www.documentation.ird.fr/hor/fdi:010081726}, }