ABSTRACT
The paper describes the historical instability of a wide area in Campania (southern Italy) which is severely affected by floods and by landslides involving pyroclastic covers resting over a carbonate bedrock. The research here presented was based on thorough analysis of historical data on past instability events from many different sources, aiming at highlighting the importance of these information in the assessment of the landslide hazard. Through this work, an archive consisting in more than 200 landsliding and flooding events, temporally comprised between 1501 and 2000, was compiled. The whole set of data on past and recent instabilities is eventually analyzed, devoting special attention to some conditioning and triggering factors such as volcanic activity, deforestation, rainfall, and anthropogenic action; efficiency and usefulness of some remedial works realized in the area during different times is also discussed.
