Abstract
ABSTRACT A 1:5,000 scale geological map and 31 geological cross-sections are presented for the surroundings of Amatrice village (central Apennines, Italy), epicentral area of the first damaging earthquake of the 2016–2017 seismic sequence. This detailed geological dataset focuses on: (i) the extent, the thickness, and the internal stratigraphic architecture of the Quaternary continental deposits; (ii) the bedding and the thickness of the Miocene substratum; and (iii) the spatial distribution of the main fault systems. The provided dataset would update the available regional geological maps in deciphering the syn-to-post-orogenic history of the Amatrice Basin. Eventually, the accuracy of the geological mapping would represent a basic tool for interpreting and integrating the multidisciplinary dataset deriving from post-seismic activities.
Highlights
This work shows the results coming from a 1:5,000 scale geological survey performed in the area surrounding the Amatrice village (central Apennines, Italy; Figure 1(a)), where the 2016–2017 seismic sequence produced a dramatic devastation of many villages and a death toll of around 300 people
Anyway, updating and detailing the knowledge of the surface geology of the area struck by the seismic crisis appear essential for: (i) assisting the geophysicalgeotechnical dataset; (ii) underlining factors leading to site effects; and (iii) supporting the activities connected to the post-seismic re-building
The surveyed area corresponds to the central part of the Amatrice Basin, a triangular-shaped morphostructural depression developed during the post-orogenic phases of the central Apennines
Summary
This work shows the results coming from a 1:5,000 scale geological survey performed in the area surrounding the Amatrice village (central Apennines, Italy; Figure 1(a)), where the 2016–2017 seismic sequence produced a dramatic devastation of many villages and a death toll of around 300 people. Blumetti, Dramis, & Michetti, 1993; Blumetti & Guerrieri, 2007; Festa, 2005) provide regional scale information on the stratigraphic setting, tectonic structures, and morphologies that resulted from the geological history of the area surrounding the Amatrice village. The geological mapping is based on field exposures and facies analysis at local-scale, with the aim to illustrate the main stratigraphic and structural features for the central part of the Amatrice Basin.
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