The Average Ocean Floor Depth Is

The most recent estimate of the average ocean depth calculated in 2010 is 3 6km 12 080 feet according to the national oceanic and atmospheric administration noaa.
The average ocean floor depth is. The pacific is the deepest and largest ocean on earth average depth. Its average depth is about 3 688 meters 12 100 ft and its maximum depth is 10 994 meters 6 831 mi at the mariana trench. Nearly half of the world s marine waters are over 3 000 meters 9 800 ft deep. The average depth of the ocean is about 12 100 feet the deepest part of the ocean is called the challenger deep and is located beneath the western pacific ocean in the southern end of the mariana trench which runs several hundred kilometers southwest of the u s.
This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level. Continental shelf 300 feet continental slope 300 10 000 feet abyssal plain 10 000 feet abyssal hill 3 000 feet up from the abyssal plain seamount 6 000 feet. The vast expanses of deep ocean anything below 200 meters or 660 feet cover about 66 of earth s surface. 4 280 metres 14 000 feet.
The following features are shown at example depths to scale though each feature has a considerable range at which it may occur. Territorial island of guam.