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Coseismic effects of the 2016 Amatrice seismic sequence: first geological results

2016; National Institute of Geophysics and Volcanology; Volume: 59; Linguagem: Inglês

10.4401/ag-7195

2037-416X

EMERGEO W.G., S. Pucci, Paolo Martini, Riccardo Civico, Rosa Nappi, Tullio Ricci, Fabio Villani, Carlo Alberto Brunori, M. Caciagli, Vincenzo Sapia, F. R. Cinti, Marco Moro, Deborah Di Naccio, Stefano Gori, Emanuela Falcucci, Roberto Vallone, Francesco Mazzarini, Simone Tarquini, Paola Del Carlo, Vanja Kastelic, Michele M. C. Carafa, R. De Ritis, Germana Gaudiosi, Rosella Nave, Giuliana Alessio, Pierfrancesco Burrato, Alessandra Smedile, L. Alfonsi, Paola Vannoli, M. Pignone, S. Pinzi, Umberto Fracassi, Luca Pizzimenti, Maria Teresa Mariucci, Nicola Mauro Pagliuca, Alessandra Sciarra, R. Carluccio, Iacopo Nicolosi, M. Chiappini, Francesca D’Ajello Caracciolo, Giuseppe Pezzo, A. Patera, R. Azzaro, D. Pantosti, P. Montone, Michele Saroli, Lorenzo Lo Sardo, Michele Lancia,

earthquake and tectonic studies

<p>Since the beginning of the ongoing Amatrice seismic sequence on August 24, 2016, initiated by a Mw 6.0 normal faulting earthquake, the EMERGEO Working Group (an INGV team devoted to earthquake aftermath geological survey) set off to investigate any coseismic effects on the natural environment. Up to now, we surveyed about 750 km2 and collected more than 3200 geological observations as differently oriented tectonic fractures together with intermediate- to small- sized landslides, that were mapped in the whole area. The most impressive coseismic evidence was found along the known active Mt. Vettore fault system, where surface ruptures with clear vertical/horizontal offset were observed for more than 5 km, while unclear and discontinuous coseismic features were recorded along the Laga Mts. Fault systems.</p>