Please Note: NCEI will decommission the Total Sediment Thickness for the World’s Oceans and Marginal Seas page on May 12, 2025. The ‘Version 3’contents of this webpage are available from EarthDynamics, “GlobeSed,’ at https://www.earthdynamics.org/page5.html. The underlying data will remain available. Send comments and questions to ncei.info@noaa.gov