Historical Seismic Events and Their Traces on Medieval Religious Buildings

The archaeological survey of architectures, if supported by structural and diagnostic analyses, can offer the possibility of documenting and interpreting transformations undergone by buildings related to specific dynamics in response to destructive natural events occurring over time. This data, if correctly interpreted, can have significant repercussions in areas where the knowledge of historical seismicity is conditioned by the lack of historical sources. A case study is offered by the Casentino, a territory located in eastern Tuscany in the province of Arezzo. The area has been affected by a number of historical earthquakes and features