An undersea copper deposit worth at least $2 billion has been reported in the eastern Pacific ocean off the coast of Ecuador. Similar deposits may exist within 350 km of the Washington and Oregon coasts. Alexander Malahoff, chief scientist of the National Oceanic and Atmospheric Administration's National Ocean Survey, estimated the deposit—560 km west of Ecuador and in waters 2 km deep—exceeds 25 million tons of ore. It is at least 40 m thick, about 200 m wide, and about 1 km long. The deposit was mapped during an investigation, which ended last month, of the Galapagos Ridge and its rifts and fractures.