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The Atlantic Ocean Basin Depths


Base map from NOAA (NGDC)
The Atlantic Ocean is the world's second largest ocean (after the Pacific), with a total area of 82,442,000 sq. km.(not including its marginal seas), or about 22.8% of the area of the world's oceans (25.9% when the marginal seas are included). The average depth of the Atlantic is approximately 3,900 meters, with a maximum depth of about 9,200 meters.

Percent area of the Atlantic ocean at different depths
Depth in meters

 

Percent

0- 200 meters
 
13.3%
200- 1000 meters
 
7.1%
1000- 2000 meters
 
5.3%
2000- 3000 meters
 
6.1%
3000- 4000 meters
 
18.5%
4000- 5000 meters
 
28.5%
5000- 6000 meters
 
20.6%
6000- 7000 meters
 
0.6%
> 7000 meters | <0.1%

References:

Moiseev, P.A. 1971
NOAA-NGDC, 1988
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