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U.S. Extended Continental Shelf (ECS)

Created on May 15, 2012

U.S. Extended Continental Shelf (ECS)

U.S. Extended Continental Shelf (ECS)

Necker Ridge

Johnson Atoll

Atlantic East Coast

Gulf of Mexico (Western Gap)

Gulf of Mexico (Eastern Gap)

Mendocino Ridge

California Coast

Northern Marianas and Guam (West)

Northern Marianas and Guam (East)

Kingman Reef and Palmyra Atoll

Arctic Ocean

Bering Sea

Aleutian Islands

Gulf of Alaska

Northwest Coast

Likely ECS

Possible ECS

B 2688

heritage.org

MAP 1

Guam

Gulf of

Mexico

Atlantic

Ocean

Pacific Ocean

Hawaii

Alaska

Mexico

Russia

Canada

Japan

United States

Source: U.S. Extended Continental Shelf Project, “Establishing the Full Extent of the Continental Shelf of the United States,”  http://continentalshelf.gov/media/ECSposterDec2010.pdf (accessed May 8, 2012).