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Ulleungdo
Ulleungdo (Korean: 울릉도; pronounced [uɭːɯŋdo]), also spelled Ulreungdo, is a South Korean island 120 kilometres (65 nmi; 75 mi) east of the Korean Peninsula in the Sea of Japan. It was formerly known as Dagelet Island or Argonaut Island in Europe. Volcanic in origin, the rocky steep-sided island is the top of a large stratovolcano which rises from the seafloor, reaching a maximum elevation of 984 metres (3,228 ft) at Seonginbong Peak. The island is 9.5 kilometres (6 mi) in length and ten kilometres (6 mi) in width; it has an area of 72.86 km2 (28.13 sq mi). It has a population of 10,426 inhabitants.
The island makes up the main part of Ulleung County, North Gyeongsang Province, South Korea, and is a popular tourist destination. The main city of Ulleungdo is the port of Dodong (도동; 道洞), which serves as the main ferry port between Ulleungdo and the South Korean mainland. After tourism, the main economic activity is fishing, including its well-known harvest of squid, which can be seen drying in the sun in many places.
Archaeological evidence indicates that the island was first inhabited in the 1st millennium BC.[citation needed] The first confirmed historical reference to Ulleungdo is in the historical text Samguk sagi for the year 512. In that year, the Silla general Kim Isabu conquered the island, which had previously been the autonomous nation of Usan-guk. Some accounts relate that he used a number of wooden lions to intimidate the population, threatening to turn them loose unless they surrendered.
Usan-guk did not remain under the Silla rule, however, and the island did not become a permanent political part of Korea until 930, when it was annexed by Goryeo. Ulleungdo was attacked a number of times during the late Goryeo and early Joseon dynasties. It was devastated by Jurchen pirate raids in the 11th century, and by Wokou pirate raids in the 14th century. A clash with Japan over fishing rights in the 1690s was precipitated by the Korean fisherman An Yong-bok. In response to these difficulties, Joseon adopted an "empty-island" policy, which, however, proved impossible to enforce. The empty-island policy was officially rescinded in 1881, after which the government sought to encourage additional settlement of Ulleungdo.[citation needed]
American whaleships cruised for right whales off the island between 1848 and 1892. Some went ashore nearby Jukdo to club pinnipeds.
Ulleungdo is a volcanic island that rose from the seabed during the Cenozoic period, and consists of trachyte, andesite, and basalt. Hot spot volcanic activity by the General Isabu seamount, dissolved Simheungtaek seamount and Liancourt Rocks and Ulleungdo with An Yong-bok seamount was created as well. Liancourt Rocks is 4.6 million years ago estimated 2.5 million years ago, and the creation of Ulleungdo to us, 2.5 million years ago in 5,000 years ago.
The island consists primarily of trachyandesite rock. A major explosive eruption around 8000 BCE decapitated its top to form a caldera.
There is Seonginbong Peak in the center of the island. The Nari Basin is part of a caldera in the northern part of the island, and is the island's only flat surface.
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Ulleungdo
Ulleungdo (Korean: 울릉도; pronounced [uɭːɯŋdo]), also spelled Ulreungdo, is a South Korean island 120 kilometres (65 nmi; 75 mi) east of the Korean Peninsula in the Sea of Japan. It was formerly known as Dagelet Island or Argonaut Island in Europe. Volcanic in origin, the rocky steep-sided island is the top of a large stratovolcano which rises from the seafloor, reaching a maximum elevation of 984 metres (3,228 ft) at Seonginbong Peak. The island is 9.5 kilometres (6 mi) in length and ten kilometres (6 mi) in width; it has an area of 72.86 km2 (28.13 sq mi). It has a population of 10,426 inhabitants.
The island makes up the main part of Ulleung County, North Gyeongsang Province, South Korea, and is a popular tourist destination. The main city of Ulleungdo is the port of Dodong (도동; 道洞), which serves as the main ferry port between Ulleungdo and the South Korean mainland. After tourism, the main economic activity is fishing, including its well-known harvest of squid, which can be seen drying in the sun in many places.
Archaeological evidence indicates that the island was first inhabited in the 1st millennium BC.[citation needed] The first confirmed historical reference to Ulleungdo is in the historical text Samguk sagi for the year 512. In that year, the Silla general Kim Isabu conquered the island, which had previously been the autonomous nation of Usan-guk. Some accounts relate that he used a number of wooden lions to intimidate the population, threatening to turn them loose unless they surrendered.
Usan-guk did not remain under the Silla rule, however, and the island did not become a permanent political part of Korea until 930, when it was annexed by Goryeo. Ulleungdo was attacked a number of times during the late Goryeo and early Joseon dynasties. It was devastated by Jurchen pirate raids in the 11th century, and by Wokou pirate raids in the 14th century. A clash with Japan over fishing rights in the 1690s was precipitated by the Korean fisherman An Yong-bok. In response to these difficulties, Joseon adopted an "empty-island" policy, which, however, proved impossible to enforce. The empty-island policy was officially rescinded in 1881, after which the government sought to encourage additional settlement of Ulleungdo.[citation needed]
American whaleships cruised for right whales off the island between 1848 and 1892. Some went ashore nearby Jukdo to club pinnipeds.
Ulleungdo is a volcanic island that rose from the seabed during the Cenozoic period, and consists of trachyte, andesite, and basalt. Hot spot volcanic activity by the General Isabu seamount, dissolved Simheungtaek seamount and Liancourt Rocks and Ulleungdo with An Yong-bok seamount was created as well. Liancourt Rocks is 4.6 million years ago estimated 2.5 million years ago, and the creation of Ulleungdo to us, 2.5 million years ago in 5,000 years ago.
The island consists primarily of trachyandesite rock. A major explosive eruption around 8000 BCE decapitated its top to form a caldera.
There is Seonginbong Peak in the center of the island. The Nari Basin is part of a caldera in the northern part of the island, and is the island's only flat surface.