05 Jul 2021

05 Jul 2021

Review status: this preprint is currently under review for the journal SE.

A Normal Faults System in the Monte Nerone area and its significance in the recent seismo-tectonic setting of the Northern Umbria-Marche Apennines (Italy)

Mauro De Donatis1, Giulio Fabrizio Pappafico1, Sara Susini1, Mauro Alberti2, Nelson Muñoz Guerrero3, and Francesco Ottaviani1 Mauro De Donatis et al.
  • 1Department of Pure and Applied Sciences, University of Urbino “Carlo Bo,” Urbino 61029, Italy
  • 2OverIT, Milano 20121
  • 3EyPAdvisors SpA, Santiago, Chile

Abstract. The faults system mapped in the northern Marche Apennines, the NW sector of Monte Nerone, Italy, shows many indications of recent activity. This area has been affected by some strong historical earthquakes, such as the Cagli earthquake of 1781, similar to seismic events close by affecting the southern Marche, Umbria, Lazio, and Abruzzi areas in recent years, we focused our investigation on this sector.

The original field mapping work integrated with seismic and subsurface data suggests very similar genesis and kinematics to those of the recent seismic events in the south of Marche region. In addition, this interpretation could also attest the extensional tectonic activity affecting the whole Adriatic side of the watershed backbone of this sector of the Apennines, with probable inversion of involved previous compressional features, such as thrust ramps.

Mauro De Donatis et al.

Status: open (until 16 Aug 2021)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on se-2021-87', Anonymous Referee #1, 20 Jul 2021 reply

Mauro De Donatis et al.

Mauro De Donatis et al.


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Short summary
This original work starts from the need to investigate the possible ground effects of the historical Cagli earthquake (June 3, 1781). Some geological and geomorphological evidences were clear that testify a tectonic behaviour very similar to those of the recent earthquake of 2016 in central Italy. In the light of field observations, seismic data and reinterpreted previous works, this sector shows a current extensional tectonics, in accordance with the interpretations of some recent research.