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Geography of the Pitcairn Islands

Coordinates:25°04′00″S130°05′00″W / 25.06667°S 130.08333°W /-25.06667; -130.08333
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Map of Pitcairn Islands.

ThePitcairn Islands are a group of four islands in the southPacific Ocean: the group comprisesPitcairn Island (avolcanic island),Henderson Island (anupliftedcoral island), and twocoralatolls,Oeno Island andDucie Island.

The only inhabited island, Pitcairn, has an area of 5 km2 (1.9 sq mi) and a population density of 10/km2 (26/sq mi); it is only accessible by boat throughBounty Bay.The other islands are at a distance of more than 100 km (62 mi).

Location

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Pitcairn postage stamp, c.1940, with helpful map.

ThePitcairn Islands as a group of islands inOceania:(25°04′00″S130°05′00″W / 25.06667°S 130.08333°W /-25.06667; -130.08333)

Situated in the SouthPacific Ocean, about one-half of the way fromPeru toNew Zealand, they are one of the most remote sites of human habitation on Earth.[1][2]

The only inhabited island, Pitcairn, is at 25.04 south, 130.06 west. Pitcairn is about 2,170 kilometres (1,350 mi) southeast ofTahiti, 5,310 kilometres (3,300 mi) fromAuckland,New Zealand, and over 6,600 kilometres (4,100 mi) fromPanama.[3]

Area

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Enlargeable, detailed map of Pitcairn Island
Total: 47 km2 (18 sq mi)
Land: 47 km2 (18 sq mi)
Water: 0 km2 (0 sq mi)

Pitcairn Island is about 3.2 kilometres (2.0 mi) long and 1.6 kilometres (0.99 mi) wide.[3]This is about310 of the size ofWashington, DC.

Land boundaries

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0 km (0 mi)

Coastline

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51 km (32 mi)

Maritime claims

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Exclusive economic zone:836,000 km2 (323,000 sq mi)
Territorial sea:3 nautical miles (5.6 km; 3.5 mi)

Climate

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The Pitcairn Islands have a maritimetropical rainforest climate (Af according to theKöppen climate classification), with the climate being warm and humid year-round, with no dry season. The warmest month in Adamstown is February, with a mean of 23.8 °C (74.8 °F), while the coolest month is August, with a mean of 18.5 °C (65.3 °F). The highest temperature recorded was 33.3 °C (91.9 °F) during March. Because of its maritime location, the temperature has never dropped below 10 °C (50 °F). Adamstown receives 1,543 millimetres (60.7 in) of rainfall annually, with the rain being evenly distributed across the year. The climate of the Pitcairn Islands is modified by southeast trade winds.

Climate data for Pitcairn Island (1972-2004)
MonthJanFebMarAprMayJunJulAugSepOctNovDecYear
Record high °C (°F)31.2
(88.2)
32.4
(90.3)
33.3
(91.9)
30.7
(87.3)
29.1
(84.4)
31.3
(88.3)
26.7
(80.1)
26.7
(80.1)
25.5
(77.9)
27.8
(82.0)
27.6
(81.7)
29.3
(84.7)
33.3
(91.9)
Mean daily maximum °C (°F)25.7
(78.3)
26.2
(79.2)
26.1
(79.0)
24.6
(76.3)
22.9
(73.2)
21.7
(71.1)
20.8
(69.4)
20.6
(69.1)
21.0
(69.8)
21.8
(71.2)
22.9
(73.2)
24.2
(75.6)
23.2
(73.8)
Daily mean °C (°F)23.3
(73.9)
23.8
(74.8)
23.8
(74.8)
22.5
(72.5)
20.9
(69.6)
19.7
(67.5)
18.8
(65.8)
18.5
(65.3)
18.8
(65.8)
19.6
(67.3)
20.7
(69.3)
22.0
(71.6)
21.0
(69.9)
Mean daily minimum °C (°F)21.0
(69.8)
21.4
(70.5)
21.5
(70.7)
20.3
(68.5)
18.9
(66.0)
17.8
(64.0)
16.9
(62.4)
16.5
(61.7)
16.6
(61.9)
17.4
(63.3)
18.6
(65.5)
19.8
(67.6)
18.9
(66.0)
Record low °C (°F)16.9
(62.4)
18.0
(64.4)
12.8
(55.0)
15.0
(59.0)
14.2
(57.6)
11.7
(53.1)
11.4
(52.5)
11.6
(52.9)
10.0
(50.0)
10.2
(50.4)
13.0
(55.4)
13.5
(56.3)
10.0
(50.0)
Averageprecipitation mm (inches)96.5
(3.80)
132.7
(5.22)
107.8
(4.24)
114.8
(4.52)
111.9
(4.41)
152.8
(6.02)
139.0
(5.47)
131.6
(5.18)
134.5
(5.30)
143.0
(5.63)
120.4
(4.74)
157.7
(6.21)
1,542.7
(60.74)
Source 1: NOAA[4]
Source 2: KNMI (precipitation)[5]


Terrain

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Geodesy Collection on Pitcairn Island

The Pitcairn Islands have a rugged terrain caused by volcanic formation, with a rocky coastline and cliffs.

Elevation extremes

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Lowest point:Pacific Ocean coastline 0 m (sea level)
Highest point:Pawala Valley Ridge 347 m (1,138 ft)

Natural resources

[edit]
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Miro trees (used for handicrafts), fish
Note:manganese,iron,copper,gold,silver, andzinc have been discovered offshore

Natural hazards

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Tropical Cyclones (especially November to May)

Environment – current issues

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Deforestation (only a small portion of the original forest remains because of burning and clearing for settlement)

Maps

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Map all coordinates usingOpenStreetMapDownload coordinates asKML

Worldwide map services show very little detail of the islands, and are even of limited use to show the location of them with respect to each other and to other islands, because they are so small and far apart. However, Mapquest zoom level 1 is a suitable map to see the location between Peru and New Zealand.

For the location with respect toFrench Polynesia, see the inset ofImage:French Polynesia map.jpg.

See also

[edit]

References

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Wikimedia Commons has media related toGeography of the Pitcairn Islands.
  1. ^Shadle, Robert (1996).Historical Dictionary of the British Empire. Greenwood Publishing Group. p. 890.ISBN 978-0-313-29367-2. Retrieved31 October 2011.
  2. ^Ntumy, Michael A. (1993).South Pacific islands legal systems. University of Hawaii Press. p. 252.ISBN 978-0-8248-1438-0. Retrieved31 October 2011.
  3. ^ab"Official website". The Government of the Pitcairn Islands. Archived fromthe original on 17 March 2021. Retrieved12 August 2021.
  4. ^"PITCAIRN ISLAND C, PC".National Oceanic and Atmospheric Administration. RetrievedJanuary 5, 2023.
  5. ^"Time series: monthly PITCAIRN IS. (UK) GHCN v2 precipitation (all)".Royal Netherlands Meteorological Institute. RetrievedJanuary 5, 2023.

External links

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Wikimedia Atlas of the Pitcairn Islands

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