Submarine volcanoes, mapped by various national and regional mapping projects and recovered in the literature (points, lines and polygons). Locally occurrences include their emerged portions. Polygons represent areas larger than 60 hectares. Note: blank areas do not necessarily correspond to no occurrence.
Data are received from EMODnet Geology partners in different formats (shapefiles, geodatabase). Data are merged into a single europewide layer with an attribute table