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Japanese archipelago

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Title: Japanese archipelago  
Author: World Heritage Encyclopedia
Language: English
Subject: Japan, Geography of Japan, Sea of Japan, Yamato period, History of Japan
Collection: Archipelagoes of Japan, Archipelagoes of the Pacific Ocean, Geography of Japan, Islands of Japan, Japan, Japanese Archipelago, Landforms of Japan
Publisher: World Heritage Encyclopedia

Japanese archipelago

Japanese Archipelago
Japanese Archipelago shown in Dark Green
Topographic map of Japan
Satellite image of Japan

The Japanese archipelago (日本列島 Nihon Rettō) is the group of islands that forms the country of Japan, and extends roughly from northeast to southwest along the northeastern coast of the Eurasia mainland, washing upon the northwestern shores of the Pacific Ocean. It consists of islands from the Sakhalin island arc and the Northeastern Japan arc.

The term Home Islands was used at the end of World War II to define the area of Japan to which its sovereignty and the constitutional rule of the Emperor would be restricted. The term is also commonly used today to distinguish the archipelago from Japan's colonies and other territories in the first half of the 20th century.[1]


  • Island components 1
  • Palaeogeography 2
  • See also 3
  • References 4
  • External links 5

Island components

The archipelago consists of 6,852 islands ("island" defined as land more than 100 m in circumference), of which 430 are inhabited.[2] The four main islands, from north to south, are Hokkaido, Honshu, Shikoku, and Kyushu; Honshu is the largest and referred to as the Japanese mainland.[3]

Sakhalin, part of the Russian Federation, is sometimes considered to be geographically part of the Japanese archipelago, although Japan renounced its claim to the island in the 20th century.[4]


Changes to the Japanese archipelago over time:

Japanese archipelago, Sea of Japan and surrounding part of continental East Asia in Early Miocene (23-18 Ma)
Japanese archipelago, Sea of Japan and surrounding part of continental East Asia in Middle Pliocene to Late Pliocene (3.5-2 Ma)
Japanese archipelago at the Last Glacial Maximum in the Late Pleistocene about 20,000 years ago

– regions above sea level

 (white color) – unvegetated land

– sea

thin black line indicates present-day shorelines

See also


  1. ^ Milton W. Meyer, Japan: A Concise History, 4th ed. Lanham, Maryland: Rowman & Littlefield, 2012, ISBN 9780742541184, p. 2.
  2. ^ "Islands in Abundance", Look Japan Volume 43, Issues 493–504, p. 37.
  3. ^ "Japanese Archipelago",, retrieved 24 June 2013.
  4. ^ "The Chautauquan", Volume 42, p. 6.

External links

  • , center of mass
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