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Tropic of Capricorn
The Tropic of Capricorn lies at 23d 26' 22" (23.4394 degrees) south of the Equator and marks the most southerly latitude at which the sun can appear directly overhead at noon.... -
Prime Meridian
The Prime Meridian is the meridian (line of longitude) at which the longitude is defined to be 0 degrees. The Prime Meridian and its opposite, the Antimeridian (at +/-180... -
Tropic of Cancer
The Tropic of Cancer lies at 23d 26' 22" (23.4394 degrees) north of the Equator and marks the most northerly latitude at which the sun can appear directly overhead at noon. This... -
Territorial Seas - Marshall Islands
Territorial seas for the Republic of the Marshall Islands (RMI). Territorial waters, or a territorial sea, as defined by the 1982 United Nations Convention on the Law of the... -
Equator
The line of latitude at 0 degrees, which is equidistant from the poles, and which separates the Northern Hemisphere from the Southern Hemisphere. -
Antimeridian
The Antimeridian is the +/-180 degree line of longitude, exactly opposite the Prime Meridian. It is often used as the basis for the International Date Line (IDL) because it... -
Marine Protected Areas - Guam
Marine Protected Areas (MPAs) of Guam, including National Parks, National Marine Sanctuaries, National Wildlife Refuges, ecological reserves, and Territorial Seashore Parks.... -
Marine Protected Areas - Guam
Marine Protected Areas (2006) - Guam, Mariana Islands -
Marine Life Conservation Districts - Hawaii
First introduced to Hawaii in 1967 with Hanauama Bay on Oahu, Marine Life Conservation Districts (MLCD) are designed to conserve and replenish marine resources. MLCDs allow only... -
Papahanaumokuakea Marine National Monument (PMNM) - Northwestern Hawaiian...
Boundary of the Papahanaumokuakea Marine National Monument (PMNM), located in the Northwestern Hawaiian Islands (NWHI). Created in 2006, Papahanaumokuakea is the largest... -
Ahihi-Kinau Marine Natural Area Reserve - Maui, Hawaii
Boundary of the marine portion of the Ahihi-Kinau Natural Area Reserve. The statewide Natural Area Reserves System (NARS) was established to preserve areas that support... -
Papahanaumokuakea Marine National Monument (PMNM) Outline - Northwestern...
Boundary of the Papahanaumokuakea Marine National Monument (PMNM), located in the Northwestern Hawaiian Islands (NWHI). Created in 2006, Papahanaumokuakea is the largest... -
Papahanaumokuakea Marine National Monument (PMNM), 2006-2016 - Northwestern...
Boundary of the Papahanaumokuakea Marine National Monument (PMNM), located in the Northwestern Hawaiian Islands (NWHI). Created in 2006, Papahanaumokuakea is the largest... -
Hawaii Coral Reef Strategy (HCRS) Conservation Action Plan (CAP): South...
The State of Hawaii Department of Land and Natural Resources (DLNR) Division of Aquatic Resources (DAR) is the primary agency responsible for coordinating Hawaii's reef... -
Midway Atoll National Wildlife Refuge - Hawaii
One of the few regions within the U.S. Fish and Wildlife Service (USFWS) National Wildlife Refuge System (NWRS) with a marine component, Midway Atoll is one of the most remote... -
Habitat Blueprint: West Hawaii Focus Area
The Habitat Blueprint provides a forward-looking framework for NOAA to think and act strategically across programs and with partner organizations to improve coastal and marine... -
Shoreline - Aunuu, American Samoa
Shoreline of Aunu'u, American Samoa -
Shoreline - American Samoa
Shoreline of American Samoa -
Guam Territorial Seashore Park
Guam Territorial Seashore Park. -
Shoreline - Tau, American Samoa
Shoreline of Ta'u, American Samoa