The present study shows the field- and desk-based post-flood surveys conducted after an extreme event occurred on June 12 th, 2019, along the Pioverna torrent in Valsassina (North Italy). Flood areas delimitation, erosion-sediment variation, and riparian vegetation change are often neglected. In this context, an efficient and systematic procedure of post-event surveys that documents the impacts of a flood event over the territory is often missing. The increase in the frequency and magnitude of flood events has contributed to inevitably gaining public concern over the flood risk and awareness of the necessity to improve forecasting and monitoring streamflows. Floods cause fatalities and considerable economic damage to infrastructures and settlements, besides impacting fluvial-geomorphic landforms.
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