| Heard Island and McDonald Islands (2003) | Spratly Islands (2002) | |
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| Airports | - | 4 (2001) |
| Airports - with paved runways | - | total: 1
914 to 1,523 m: 1 (2002) |
| Airports - with unpaved runways | - | total: 2
914 to 1,523 m: 1 under 914 m: 1 (2002) |
| Area | total: 412 sq km
land: 412 sq km water: 0 sq km |
total: less than 5 sq km
land: less than 5 sq km water: 0 sq km note: includes 100 or so islets, coral reefs, and sea mounts scattered over an area of nearly 410,000 sq km of the central South China Sea |
| Area - comparative | slightly more than two times the size of Washington, DC | NA |
| Background | These uninhabited, barren, sub-Antarctic islands were transferred from the UK to Australia in 1947. Populated by large numbers of seal and bird species, the islands have been designated a nature preserve. | This archipelago - surrounded by rich fishing grounds and potentially by gas and oil deposits - is claimed in its entirety by China, Taiwan, and Vietnam, while portions are claimed by Malaysia and the Philippines. All five parties occupy certain islands or reefs. |
| Climate | antarctic | tropical |
| Coastline | 101.9 km | 926 km |
| Country name | conventional long form: Territory of Heard Island and McDonald Islands
conventional short form: Heard Island and McDonald Islands |
conventional long form: none
conventional short form: Spratly Islands |
| Dependency status | territory of Australia; administered from Canberra by the Australian Antarctic Division of the Department of the Environment and Heritage | - |
| Diplomatic representation from the US | none (territory of Australia) | - |
| Diplomatic representation in the US | none (territory of Australia) | - |
| Disputes - international | none | all of the Spratly Islands are claimed by China, Taiwan, and Vietnam; parts of them are claimed by Malaysia and the Philippines; in 1984, Brunei established an exclusive fishing zone that encompasses Louisa Reef in the southern Spratly Islands, but has not publicly claimed the island; in 2000, China joined ASEAN discussions towards creating a South China Sea "code of conduct" - a non-legally binding confidence building measure |
| Economy - overview | No indigenous economic activity, but the Australian Government allows limited fishing around the islands. | Economic activity is limited to commercial fishing. The proximity to nearby oil- and gas-producing sedimentary basins suggests the potential for oil and gas deposits, but the region is largely unexplored, and there are no reliable estimates of potential reserves; commercial exploitation has yet to be developed. |
| Elevation extremes | lowest point: Indian Ocean 0 m
highest point: Mawson Peak, on Big Ben 2,745 m |
lowest point: South China Sea 0 m
highest point: unnamed location on Southwest Cay 4 m |
| Environment - current issues | NA | NA |
| Flag description | the flag of Australia is used | - |
| Geographic coordinates | 53 06 S, 72 31 E | 8 38 N, 111 55 E |
| Geography - note | - | strategically located near several primary shipping lanes in the central South China Sea; includes numerous small islands, atolls, shoals, and coral reefs |
| Irrigated land | 0 sq km (1998 est.) | 0 sq km (1998 est.) |
| Land boundaries | 0 km | 0 km |
| Land use | arable land: 0%
permanent crops: 0% other: 100% (1998 est.) |
arable land: 0%
permanent crops: 0% other: 100% (1998 est.) |
| Legal system | the laws of Australia, where applicable, apply | - |
| Location | islands in the Indian Ocean, about two-thirds of the way from Madagascar to Antarctica | Southeastern Asia, group of reefs and islands in the South China Sea, about two-thirds of the way from southern Vietnam to the southern Philippines |
| Map references | Antarctic Region | Southeast Asia |
| Maritime claims | exclusive fishing zone: 200 NM
territorial sea: 12 NM |
NA |
| Military - note | defense is the responsibility of Australia; Australia conducts fisheries patrols | Spratly Islands consist of more than 100 small islands or reefs, of which about 45 are claimed and occupied by China, Malaysia, the Philippines, Taiwan, and Vietnam |
| Natural hazards | Mawson Peak, an active volcano, is on Heard Island | typhoons; serious maritime hazard because of numerous reefs and shoals |
| Natural resources | fish | fish, guano, undetermined oil and natural gas potential |
| Population | uninhabited (July 2003 est.) | no indigenous inhabitants
note: there are scattered garrisons occupied by personnel of several claimant states (July 2002 est.) |
| Ports and harbors | none; offshore anchorage only | none; offshore anchorage only |
| Terrain | Heard Island - 80% ice-covered, bleak and mountainous, dominated by a large massif (Big Ben) and an active volcano (Mawson Peak); McDonald Islands - small and rocky | flat |
| Waterways | none | none |