Frictional weakening leads to unconventional singularities during laboratory earthquakes

Federica Paglialunga1, Francois Passelegue2, Mathias Lebihain3 and Marie Violay1, (1)Swiss Federal Institute of Technology Lausanne, LEMR, Lausanne, Switzerland, (2)Géoazur, Université de Côte d'Azur, Nice, France, (3)École Nationale des Ponts et Chaussées, Laboratoire Navier, Paris, France