Nat. Hazards Earth Syst. Sci., 18, 1985–1998, 2018 https://doi.org/10.5194/nhess-18-1985-2018 © Author(s) 2018. This work is distributed under the Creative Commons Attribution 4.0 License. Tsunamis boulders on the rocky shores of Minorca (Balearic Islands) Francesc Xavier Roig-Munar1, Joan Manuel Vilaplana2, Antoni Rodríguez-Perea3, José Ángel Martín-Prieto1, and Bernadí Gelabert4 1QU4TRE, environmental consulting, Carritxaret 18.6, es Migjorn Gran, 07749 Minorca, Spain 2Department of Earth and Ocean Dynamics, RISKNAT Group, Geomodels, Universitat de Barcelona, Martí i Franquès, s/n 08028 Barcelona 3Department of Geography, Universitat de les Illes Balears, Carretera de Valldemossa, km 7.5, 07122, Palma, Majorca, Spain 4Department of Biology, Universitat de les Illes Balears, Carretera de Valldemossa, km 7.5, 07122, Palma, Majorca, Spain Correspondence: Bernadí Gelabert (
[email protected]) Received: 29 August 2017 – Discussion started: 12 September 2017 Revised: 6 June 2018 – Accepted: 13 June 2018 – Published: 17 July 2018 Abstract. Large boulders have been found on marine cliffs 2010, 2011; Mastronuzzi et al., 2007; Mastronuzzi and Pig- of 24 study areas on Minorca, in the Balearic archipelago. natelli, 2012; Pignatelli et al., 2009; Scicchitano et al., 2007, These large imbricated boulders of up to 229 t are located on 2012) and Algeria (Maouche et al., 2009). Large boulders platforms that comprise the rocky coastline of Minorca, sev- placed over coastal rocky cliffs on Minorca island have been eral tens of meters from the edge of the cliff, up to 15 m above found mainly on the south-eastern and western coastline the sea level and kilometers away from any inland escarp- (Roig-Munar, 2016) (Fig.