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The 2016–2017 earthquake sequence in Central Italy: macroseismic survey and damage scenario through the EMS-98 intensity assessment

TitleThe 2016–2017 earthquake sequence in Central Italy: macroseismic survey and damage scenario through the EMS-98 intensity assessment
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2019
AuthorsRossi, A., Tertulliani A., Azzaro R., Graziani L., Rovida A., Maramai A., Pessina V., Hailemikael S., Buffarini Giacomo, Bernardini F., Camassi R., Del Mese S., Ercolani E., Fodarella A., Locati M., Martini Guido, Paciello A., Paolini S., Arcoraci L., Castellano C., Verrubbi Vladimiro, and Stucchi M.
JournalBulletin of Earthquake Engineering
Volume17
Pagination2407-2431
ISSN1570761X
KeywordsCentral Italy, Cumulative damage, Cumulative effects, Damage detection, Earthquake parameters, Earthquake sequences, Earthquakes, EMS-98, Macroseismic intensity, Strong earthquakes, Surveys
Abstract

In this paper we describe the macroseismic effects produced by the long and destructive seismic sequence that hit Central Italy from 24 August 2016 to January 2017. Starting from the procedure adopted in the complex field survey, we discuss the characteristics of the building stock and its classification in terms of EMS-98 as well as the issues associated with the intensity assessment due to the evolution of damage caused by multiple shocks. As a result, macroseismic intensity for about 300 localities has been determined; however, most of the intensities assessed for the earthquakes following the first strong shock on 24 August 2016, represent the cumulative effect of damage during the sequence. The earthquake parameters computed from the macroseismic datasets are compared with the instrumental determinations in order to highlight critical issues related to the assessment of macroseismic parameters of strong earthquakes during a seismic sequence. The results also provide indications on how location and magnitude computation can be strongly biased when dealing with historical seismic sequences. © 2019, Springer Nature B.V.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85059846933&doi=10.1007%2fs10518-019-00556-w&partnerID=40&md5=bb652aea9488166fa21d5bb4172d51f7
DOI10.1007/s10518-019-00556-w
Citation KeyRossi2019