Leucci, Giovanni and De Giorgi, Lara and Fragalà, Giovanni and Mazzaglia, Antonino and Malfitana, Daniele (2021) New data about the Cathedral of Catania by geophysical investigations. Archeologia e Calcolatori, 32 (2). pp. 271-281. ISSN 1120-6861
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Abstract
The town of Catania, located in the southern part of the Sicily region, Italy, holds the remains of an ancient settlement in the city centre. One of the most important buildings is the Cathedral and the buried Achillean Baths. The Cathedral was repeatedly destroyed and rebuilt after the earthquakes and volcanic eruptions that occurred over time. The first building dates back to the period 1078-1093 and was built on the ruins of the Roman Achillean Baths, on the initiative of Count Roger, acquiring all the characteristics of an equipped (i.e. fortified) ecclesia. Already in 1169, a catastrophic earthquake demolished it almost completely, leaving intact only the apse. In 1194 a fire created considerable damage and finally in 1693 the earthquake that hit the Val di Noto destroyed it almost completely. The area around the Cathedral is today highly urbanized, but it was the locus of social and political life over the centuries for people of different cultures who have inhabited the area since the 8th century BC. Therefore, this area contains stratigraphically complex layers of buildings and other remains, which can help understand the use of this area of the town over many centuries. A ground-penetrating radar and electrical resistivity tomography surveys were performed inside and outside the Cathedral of Catania. Data were visualized in three-dimensions using a standard amplitude slice technique as well as the construction of isosurface images of amplitudes. These images reveal the position of architectural features whose shape, size and burial depth suggest they are Roman and earlier in age. The features mapped overlap the development of the Achillean Baths and the presence of some tombs and unknown rooms.
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