-
President Thomas Jefferson signed an act to allow the surveying of the U.S coast.
-
A man named James Alden discovered the first undersea valley, named California's Montery Canyon
-
Louis Agassiz, a swiss-american scientist, went from the east coast to its west coast and collected around 30,000 specimens from the ocean.
-
Alexander Agassiz went around the South pacific, collecting more specimens from remote ocean regions.
-
A man named Reginald Fessenden bounced a signal between an iceberg and the seafloor at the same time.
-
A submarine named the German Meteor surveyed the mid-atlantic sea with echo sounders.
-
Diving down to the deepest point in the Mariana trench, the bathyscaphe Trieste found that it was 10,912 miles deep.
-
The first underwater habitat was successfully lowered off tje coast of california.
-
TOPEX/Poseiden, a sattelite, began to map the surface of the sea.
-
A declassification of a Geosat radar data leads to the worldwide mapping of the seafloor.
