Before revision: Pockmarks have been found worldwide.Judd, Alan and Martin Hovland, ' Seabed Fluid Flow: The Impact on Geology, Biology and the Marine Environment, '' Cambridge University Press, 2007, Hovland, Martin, Seabed Pockmarks and Seepages : Geological Ecological and Environmental Implication, Springer, 1988, Discovery was aided by the use of high-resolution multibeam acoustic systems for bathymetric mapping.
After revision: Pockmarks have been found worldwide.Judd, Alan and Martin Hovland, Seabed Fluid Flow: The Impact on Geology, Biology and the Marine Environment, Cambridge University Press, 2007, Hovland, Martin, Seabed Pockmarks and Seepages : Geological Ecological and Environmental Implication, Springer, 1988, Discovery was aided by the use of high-resolution multibeam acoustic systems for bathymetric mapping.