This week's Sea-Floor Sunday ... of bottom elevation by lowering hand lines down (echo soundings did not come around for another few decades). Compare the 1862 map to this modern multibeam ...

This week's Sea-Floor Sunday is from a very cool website ... that shows the bathymetry of the Lau Basin area (see general map of region on this post) combined with seismic tomographic images ...

Researchers have found new methods to make detailed maps of the sea floor. The maps will make it possible to spot and protect sensitive marine habitats, ensure safe navigation for ships and keep ...

Scientists have devised a new map of the Earth's sea floor using satellite data, revealing massive underwater scars and thousands of previously uncharted sea mountains residing in some of the ...

"So we go in, we map the sea floor for them, tell them where the big rocks or the little rocks are … they may be as small as a foot, and as big as we can detect." See also: AWS open sources ...