Abstract
On August 24, 2016, a sudden MW 6.0 seismic event hit Central Italy, causing 298 victims and significant damage to residential buildings and cultural heritage. In the days following the mainshock, a macroseismic survey was conducted by teams of the University of Padova, according to the European Macroseismic Scale (EMS98). In this contribution, a critical analysis of the collected macroseismic data is presented and some comparisons were performed with the recent 2012 Emilia sequence.
Highlights
Central Italy inhabitants were woken up on August 24, 2016 due to the occurrence of a strong MW 6.0 earthquake, that hit a large area between Lazio, Umbria, Marche and Abruzzo regions, historically prone to seismic hazard
The instrumental epicenter was located at 42.70°N and 13.24°E by the Istituto Nazionale di Geofisica e Vulcanolgia (INGV), close to the Municipalities of Accumoli and Amatrice
A total of 180 sites were surveyed, in same cases more times, and IEMS intensities were assessed on the basis of the damage detected on residential buildings
Summary
Central Italy inhabitants were woken up on August 24, 2016 due to the occurrence of a strong MW 6.0 earthquake, that hit a large area between Lazio, Umbria, Marche and Abruzzo regions, historically prone to seismic hazard. The instrumental epicenter was located at 42.70°N and 13.24°E by the Istituto Nazionale di Geofisica e Vulcanolgia (INGV), close to the Municipalities of Accumoli and Amatrice This area is one of the most prone to seismic hazard in Italy and was affected in the past centuries by several events, as illustrated in the Parametric Catalogue of Italian Earthquakes [Rovida et al 2016]. Intensity-based analyses are required if a direct correlation between damage and ground shaking is necessary, especially for non-seismologist public. These relationships can be applied to study the statistical properties of seismicity, and compare historical descriptive information with recent data. Macroseismic epicentral parameters are derived and a comparison between collected data and existing macroseismic-instrumental literature relationships is performed and discussed
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