Disasters and earthquakes in Western Liguria. The “earthquake of Diano Marina, 1887”

Liguria and in particular the Western Liguria has been repeatedly, over the centuries, upset by earthquakes that have heavily influenced the life of the inhabitants, on building, on landscape and urban planning. A violent earthquake shook the Western Liguria the Christmas Day 1222, this catastrophic event remain limited information because of past centuries. Liguria Western trembled at length between March and July of 1564, the chronicles tell that the people slept outdoors for months because of the repetition of earthquake. In the nineteenth century have been registered numerous earthquakes since 1802, the most disastrous of 23 February 1887. To better understand the building codes it is essential to analyze the damage caused by the earthquake that occurred in Liguria during the course of the nineteenth century. The integration of written documentary sources and graphics, drawings and early photographs allow a complete picture of the damage and reconstruction interventions. The integrated interpretation allows us to understand the transformations of Liguria, the drafting of zoning and building regulations. The research in the future aims to analyze and integrate the documentary sources with the reading of the territory and being enshrined with the rules of the redevelopment plans and master plans up to current regulations through the analysis of data and sources using geographic information systems and multirelational database.