Bathymetry

Submarine Canyon

A deep valley eroded into the continental shelf. 20-2000 meters deep

Deep Sea Trench

A long, narrow deep depression in the ocean floor which typically runs parallel to a plate boundary and makes a subduction zone. 5000-12000 meters deep

Abyssal Hills

Abyssal hills are extinct volcanoes present on the abyssal plain.

Bathymetry

Measurement of ocean depths and the charting of the shape or topography of the ocean floor

Midocean Ridge

a long mountain range that forms along cracks on the ocean floor where erupting magma breaks through the earth's crust 2-4 km deep

Seamounts

an isolated volcanic peak that rises at least 1000 meters above the deep-ocean floor

Abyssal Plains

flat, sediment covered areas in the ocean basin usually 3,000 to 5,000 m deep

Continental Rise

the gently sloping section of the continental margin located between the continental slope and the abyssal plain 1.5-5 km deep

Continental Shelf

the relatively shallow seabed surrounding a continent 150 Meters deep

Continental Slope

the steep descent of the seabed from the continental shelf to the abyssal zone From 100 to 2000 Meters deep