The animation shows the calculated current distribution of heat flow at the core-mantle boundary. The heat flow beneath subduction zones of the last 300 million years exceeds the heat flux below areas where no subduction occurred many times over.
Pictures and audio files presented in our Image Galleries are free of use for editorial or private purposes. For editorial use, please make sure to credit the source and provide two free of charge copies to the GFZ. Changes to the artwork - with the exception of cropping the main image - are not permitted.