1. Barcelona Center for Subsurface ImagingInstitut de Ciències del Mar, CSICBarcelona Spain
2. Department of GeologyWashington and Lee UniversityLexington Virginia USA
3. IFM‐GEOMARDynamik des Ozeanbodens, Wischhofstrasse Kiel Germany
4. Instituto Português do Mar e da Atmosfera, Rua C—Aeroporto de LisboaLisboa Portugal
5. Unidad de Tecnología Marina, CSICBarcelona Spain
6. Sezione Geologia Marina, Istituto Scienze Marine, CNRBologna Italy