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Gunung Barren

Barren Island

Stratovolkan · India · 354 m

An ash plume in 1991 rises above Barren Island along the volcanic arc connecting north of Sumatra. The 3-km-wide island contains a 1.6-km-wide crater that is partially filled by a scoria cone that has been the source of eruptions since the first was recorded in 1787. Lava flows reached the coast during several recent eruptions.
An ash plume in 1991 rises above Barren Island along the volcanic arc connecting north of Sumatra. The 3-km-wide island contains a 1.6-km-wide crater that is partially filled by a scoria cone that has been the source of eruptions since the first was recorded in 1787. Lava flows reached the coast during several recent eruptions. · Foto: Photo courtesy of D. Haldar, 1991 (Geological Survey of India). · Wikimedia Commons
Tipe
Stratovolkan
Negara
India
Wilayah
Sunda-Banda Volcanic Regions / Andaman Volcanic Province
Ketinggian
354 m
Koordinat
12.278, 93.858
Letusan terakhir
2026
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Basalt / Picro-Basalt
Ringkasan geologi

Barren Island, a possession of India in the Andaman Sea about 135 km NE of Port Blair in the Andaman Islands, is the only historically active volcano along the N-S volcanic arc extending between Sumatra and Burma (Myanmar). It is the emergent summit of a volcano that rises from a depth of about 2250 m. The small, uninhabited 3-km-wide island contains a roughly 2-km-wide caldera with walls 250-350 m high. The caldera, which is open to the sea on the west, was created during a major explosive eruption in the late Pleistocene that produced pyroclastic-flow and -surge deposits. Historical eruptions have changed the morphology of the pyroclastic cone in the center of the caldera, and lava flows that fill much of the caldera floor have reached the sea along the western coast.

Ringkasan Wikipedia

Gunung Barren adalah sebuah gunung api yang terletak di Laut Andaman sekitar 138 km timur laut dari Port Blair, ibu kota Kepulauan Andaman dan Nikobar, India. Gunung ini merupakan gunung api aktif satu-satunya di India bahkan Asia Selatan. Gunung ini membentuk sebuah pulau seluas 8,34 km persegi dan berdiameter sekitar 3 Km dengan nama yang sama. Gunung ini memiliki tinggi 354 Mdpl dan 2.250 meter dari dasar laut. Sejarah letusannya terekam sejak tahun 1787 sedangkan letusan terakhirnya pada 23 Januari 2017 di mana gunung ini meletus kecil dengan menyemburkan asap dan lava pijar ke penjuru lereng.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
8060 BCE~7724 BCE · 1 letusan · VEI maks. ?1689~2025 · 22 letusan · VEI maks. 28060 BCE5707 BCE3017 BCE664 BCE1689

Garis waktu rinci

  1. 2025VEI ?Teramati
    2025-07-30 – 2026-01-11
  2. 2024VEI 2Teramati
    2024-03-15 – 2024-05-29
  3. 2022VEI ?Teramati
    2022-05-15 – 2022-05-15
  4. 2022VEI 2Teramati
    2022-12-30 – 2023-08-18
  5. 2019VEI 1Teramati
    2019-10-23 – 2022-01-30
    Summit crater
  6. 2018VEI 1Teramati
    2018-09-25 – 2019-04-30
    Summit crater and NW, SW, and SE flanks
  7. 2017VEI 1Teramati
    2017-01-15 – 2017-03-24
    Main cone, summit crater
  8. 2015VEI 2Teramati
    2015-03-17 – 2016-05-17
    Main cone
  9. 2013VEI 2Teramati
    2013-02-16 – 2013-02-16
    Summit caldera
  10. 2013VEI 2Teramati
    2013-10-12 – 2014-06-01
    Main cone
  11. 2010VEI 1Teramati
    2010-09-17 – 2011-06-22
    Summit caldera and N flank
  12. 2008VEI 2Teramati
    2008-05-13 – 2010-04-19
  13. 2005VEI 2Teramati
    2005-05-26 – 2007-12-23
    Central cone summit, N, S, and SW flanks
  14. 2000VEI 1Perkiraan geologi
    2000-01-16 – Berlangsung
  15. 1994VEI 2Teramati
    1994-12-20 – 1995-06-05
    Central cone summit, SW & S flanks
  16. 1991VEI 2Teramati
    1991-04-01 – 1991-10-31
    Central cone summit and NE flank
  17. 1852VEI 2Perkiraan geologi
    1852 – Berlangsung
  18. 1832VEI 2Teramati
    1832-03 – Berlangsung
  19. 1803VEI 2Teramati
    1803-11 – 1804-01-31
  20. 1795VEI 2Teramati
    1795-12-20 – 1795-12-21
  21. 1789VEI 2Teramati
    1789-03-24 – Berlangsung
  22. 1787VEI 2Teramati
    1787-05-12 – Berlangsung
  23. 8060 SM (±100 tahun)VEI ?Perkiraan geologi
    BCE 8060 – Berlangsung

Tautan eksternal

⚠ Untuk referensi saja. Bukan untuk tanggap darurat.