A particular type of pacific ocean under current that acts like a river flowing under the sea surface-the cromwell current (also called pacific equatorial undercurrent or just equatorial undercurrent) is a submarine river: it was discovered in 1952 by townsend cromwell, a researcher with the honolulu laboratory. its 250 miles (400 km) wide and flows to the east and is 300 feet (100 m) under the surface of the pacific ocean at the equator ,compared to other ocean currents, this one is relatively narrow in depth being only 100 feet deep. it is 3,500 (6000km) long and has 1000 times the volume of the mississippi river.the cromwell current was listed in the 1964 edition of the guinness book of world records. and oliver cromwell who invaded ireland did in fact start out as a fisheries officer working in the irish sea!
