Holocene vertical deformation along the coastal sector of Mt. Etna volcano (eastern Sicily, Italy): Implications on the time–space constrains of the volcano lateral sliding

作者: Stefano Branca , Giorgio De Guidi , Gianni Lanzafame , Carmelo Monaco

DOI: 10.1016/J.JOG.2014.07.006

关键词: Active faultShoreSubsidenceHoloceneTectonic upliftGeologyAnticlineVolcanoRadiocarbon datingGeomorphology

摘要: Abstract A detailed survey of morphological and biological markers paleo-shorelines has been carried out along the coastal sector Mt. Etna volcano (eastern Sicily, Italy), in order to better define causes timing vertical deformation. We have mapped raised Holocene shorelines, which are represented by beach rocks, wave-cut platforms, balanid, vermetid algal rims. The uplift determined radiocarbon dating shells collected from and, correctly assess total amount tectonic coast during Late Holocene, we compared elevation-age data sampled local curve sea-level rise. Taking into account nominal elevation associated paleo-shorelines, an rate 2.5–3.0 mm/year estimated for last 6–7 ka. This general process uplifting is only locally interrupted subsidence related flank sliding volcanic edifice, measured at docks other manmade structures, acceleration hinge active anticline footwall fault. Based on this new suggest more precise time–space constraints dynamics lower eastern volcano.

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