This database aims to be an open-source, accurate, peer-reviewed and comprehensive database of coastal cities currently experiencing land subsidence and its main and secondary causes. It aims to facilitate future research regarding subsidence in both priorly identified at-risk areas and in areas where the potential impact of subsidence is still unknown. The selection of the cities is based on the following papers: · Nicholls, R. J. (2008). The Exposure of Port Cities to Flooding: A Comparative Global Analysis. · Hallegatte, S., Green, C., Nicholls, R. J., & Corfee-Morlot, J. (2013). Future flood losses in major coastal cities. Nature climate change, 3(9), 802-806. · Solari, L., Del Soldato, M., Bianchini, S., Ciampalini, A., Ezquerro, P., Montalti, R., ... & Moretti, S. (2018). From ERS 1/2 to Sentinel-1: subsidence monitoring in Italy in the last two decades. Frontiers in Earth Science, 6, 149.

This work was developed in the framework of the project RESERVOIR (sustainable groundwater RESources managEment by integrating eaRth observation deriVed monitoring and flOw modelIng Results) funded by the Partnership for Research and Innovation in the Mediterranean Area (PRIMA) programme supported by the European Union (Grant Agreement 1924; https://reservoir-prima.org/).