Abstract
The aim of this special issue of “Annals of Geophysics” is to follow the seismic thread that, starting with the Belice earthquake (14-15 January, 1968), crosses the recent history of our Country until the days of the 2016 Amatrice seismic sequence. We interpreted the Belice earthquake like the “zero event” for the developing of the connections between the Italian society and the seismic catastrophes, striking Italy in the post-war period. We considered the territory as a unit, made up of geographical, geological, social, historical and urban aspects, proposing nine papers with reflections and readings on these aspects. These reflections concern the geological and structural context in which the Belice earthquake occurred, such as the novelties proposed by the most recent research in geological, geophysical, geochemical and geodetic fields, but also themes and reflections on the impact that the earthquake has had on the Italian and Sicilian societies, on their housing and infrastructural contexts, on the history of our Country.
Highlights
In Barreca et al, we find new insights from the analysis of geological and geodetic data, aimed to the definition of the active faults potentially involved in the 1968 seismic events and, probably, involved in two earthquakes hitting the ancient city of Selinunte
The monitoring of aquifers in the south-western Sicily is debated by Favara et al, who explored the potential of geochemical monitoring of the Santa Ninfa karst system, and by Madonia and Madonia, with a specific investigation of the Santa Ninfa cave. Another interesting aspect is depicted by Camarda et al, who studied the CO2 flux from the soil as a useful instrument for the detection of active faults and fractures in south-western Sicily
In the paper titled “A reappraisal of the 1968 Valle del Belìce seismic sequence: a case study of intensity assessment with cumulated damage effects”, discuss an important argument about the difficulties in determining the correct intensities when repeated earthquakes occur in the same area, and apply a technique of investigation already used for the 2016-2017 sequence in Central Italy
Summary
These reflections concern the geological and structural context in which the Belice earthquake occurred, such as the novelties proposed by the most recent research in geological, geophysical, geochemical and geodetic fields, and themes and reflections on the impact that the earthquake has had on the Italian and Sicilian societies, on their housing and infrastructural contexts, on the history of our Country. In Barreca et al, we find new insights from the analysis of geological and geodetic data, aimed to the definition of the active faults potentially involved in the 1968 seismic events and, probably, involved in two earthquakes hitting the ancient city of Selinunte.
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