title: Land-level changes produced by the Mw 8.8 2010 Chilean earthquake.
abstract: We observed vertically displaced coastal and river markers after the 27 February 2010 Chilean earthquake [moment magnitude (Mw) 8.8]. Land-level changes range between 2.5 and -1 meters, evident along an approximately 500-kilometers-long segment identified here as the maximum length of coseismic rupture. A hinge line located 120 kilometers from the trench separates uplifted areas, to the west, from subsided regions. A simple elastic dislocation model fits these observations well; model parameters give a similar seismic moment to seismological estimates and suggest that most of the plate convergence since the 1835 great earthquake was elastically stored and then released during this event.
authors.affiliation: Departamento de Geología, Universidad de Chile, Plaza Ercilla 803, Santiago, Chile. mfarias@dgf.uchile.cl
authors.forename: Marcelo
authors.initials: M
authors.lastname: Farías
authors.forename: Gabriel
authors.initials: G
authors.lastname: Vargas
authors.forename: Andrés
authors.initials: A
authors.lastname: Tassara
authors.forename: Sébastien
authors.initials: S
authors.lastname: Carretier
authors.forename: Stéphane
authors.initials: S
authors.lastname: Baize
authors.forename: Daniel
authors.initials: D
authors.lastname: Melnick
authors.forename: Klaus
authors.initials: K
authors.lastname: Bataille