Cromwell current

eastward-flowing subsurface current that extends along the equator in the Pacific Ocean

The Cromwell current is the name of a submarine river. It was discovered in 1952 by the scientist Townsend Cromwell. It is 250 miles (400 km) wide. It flows to the east. The current appears about 300 feet below the surface of the Pacific Ocean at the equator.

The Cromwell current carries a lot of oxygen and nutrients. It is very rich in marine life.