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Ulleungdo

Stratovolkan · South Korea · 984 m

Ulreung stratovolcano forms a small 10-km-wide island about 100 km E of the central Korean Peninsula. The island, seen in this NASA Landsat image (with north to the top) is a tourist destination from the Korean mainland. Ulreung was the site of a major explosive eruption at the beginning of the Holocene that produced pyroclastic flows and deposited ash in central Honshu.
Ulreung stratovolcano forms a small 10-km-wide island about 100 km E of the central Korean Peninsula. The island, seen in this NASA Landsat image (with north to the top) is a tourist destination from the Korean mainland. Ulreung was the site of a major explosive eruption at the beginning of the Holocene that produced pyroclastic flows and deposited ash in central Honshu. · Foto: NASA Landsat 7 image (worldwind.arc.nasa.gov) · Wikimedia Commons
Tipe
Stratovolkan
Negara
South Korea
Wilayah
Asia Timur / Central East Asia Volcanic Province
Ketinggian
984 m
Koordinat
37.500, 130.870
Letusan terakhir
-2990
Kondisi tektonik
Intraplate / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Trachyandesite / Basaltic Trachyandesite
Ringkasan geologi

Ulleungdo, also known as Ulreungdo, is a 10-km-wide island about 100 km E of the central Korean Peninsula. The trachyandesitic stratovolcano is truncated by the Nari caldera. A major phonolitic explosive eruption at the beginning of the Holocene from Nari caldera produced pyroclastic flows and deposited ash in central Honshu, Japan.

Ringkasan Wikipedia

Ringkasan Inggris

Ulleungdo, also spelled Ulreungdo, is a South Korean island 120 kilometres 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.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
8750 BCE~8551 BCE · 1 letusan · VEI maks. 66565 BCE~6367 BCE · 1 letusan · VEI maks. ?3189 BCE~2990 BCE · 1 letusan · VEI maks. ?8750 BCE7360 BCE5969 BCE4579 BCE3189 BCE

Garis waktu rinci

  1. 2990 SM (±40 tahun)VEI ?Perkiraan geologi
    BCE 2990 – Berlangsung
  2. 6450 SMVEI ?Perkiraan geologi
    BCE 6450 – Berlangsung
  3. 8750 SMVEI 6Perkiraan geologi
    BCE 8750 – Berlangsung

Tautan eksternal

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