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Grande Découverte

Soufriere Guadeloupe

Stratovolkan · France · 1467 m

La Soufrière volcano, the highest in the West Indies, is a complex stratovolcano that dominates the southern end of Basse-Terre, the western half of the butterfly-shaped island of Guadeloupe. A steam-and-ash column rises above the summit in this October 1976 view from the NE at Pointe-a-Pitre, on the isthmus connecting the island segments. The peak at the left (above the sailboat), l'Echelle, is a young cinder cone; the summit itself is a 500-year-old lava dome, and remnants of older collapsed volcanoes are located to its right.
La Soufrière volcano, the highest in the West Indies, is a complex stratovolcano that dominates the southern end of Basse-Terre, the western half of the butterfly-shaped island of Guadeloupe. A steam-and-ash column rises above the summit in this October 1976 view from the NE at Pointe-a-Pitre, on the isthmus connecting the island segments. The peak at the left (above the sailboat), l'Echelle, is a young cinder cone; the summit itself is a 500-year-old lava dome, and remnants of older collapsed volcanoes are located to its right. · Foto: Photo by Richard Fiske, 1976 (Smithsonian Institution). · Wikimedia Commons
Tipe
Stratovolkan
Negara
France
Wilayah
Middle America-Caribbean Volcanic Regions / Lesser Antilles Volcanic Arc
Ketinggian
1467 m
Koordinat
16.044, -61.664
Letusan terakhir
1977
Kondisi tektonik
Subduction zone / Oceanic crust (< 15 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

La Soufrière de la Guadeloupe volcano occupies the southern end of Basse-Terre, the western half of the island of Guadeloupe. Construction of the Grand Découverte volcano about 200,000 years ago was followed a Plinian eruption and caldera formation about 100,000 years later, and then by construction of the Carmichaël volcano within the caldera. Two episodes of edifice collapse and associated large debris avalanches formed the Carmichaël and Amic craters about 11,500 and 3,100 years ago, respectively. The present volcano subsequently grew within the Amic crater. The summit consists of a flat-topped lava dome, and several other domes occur on the southern flanks. Six phreatic explosive eruptions since 1690 opened radial fractures across the summit lava dome. The phreatic eruptions in 1976-77 caused severe economic disruption when Basse-Terre, the island's capital city immediately below the volcano, was evacuated.

Ringkasan Wikipedia

Ringkasan Inggris

Citerne is a French volcano located in Guadeloupe, on the southeast flank of La Grande Soufrière.

Wikipedia · CC BY-SA · Baca artikel lengkap →

Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
7490 BCE~7174 BCE · 1 letusan · VEI maks. ?6543 BCE~6228 BCE · 1 letusan · VEI maks. ?3388 BCE~3073 BCE · 1 letusan · VEI maks. ?2126 BCE~1810 BCE · 1 letusan · VEI maks. ?1810 BCE~1495 BCE · 1 letusan · VEI maks. ?1495 BCE~1179 BCE · 1 letusan · VEI maks. 31179 BCE~864 BCE · 1 letusan · VEI maks. ?864 BCE~548 BCE · 2 letusan · VEI maks. 383~398 · 1 letusan · VEI maks. ?1345~1660 · 1 letusan · VEI maks. 41660~1976 · 8 letusan · VEI maks. 27490 BCE5281 BCE2757 BCE548 BCE1660

Garis waktu rinci

  1. 1976VEI 2Teramati
    1976-07-08 – 1977-03-01
    SE side of summit (Gouffre Tarissan)
  2. 1956VEI 1Teramati
    1956-10-19 – 1956-10-27
    ESE side, Napoléon Crater
  3. 1903VEI 2Perkiraan geologi
    1903 – Berlangsung
    SE side summit dome
  4. 1836VEI 2Teramati
    1836-12-03 – 1837-02-12
    SE to NW sides of summit dome
  5. 1812VEI 1Teramati
    1812-04 – 1812-05-10
    E-W fissure on summit dome
  6. 1797VEI 2Teramati
    1797-09-29 – 1798-04-26
    NNW side of summit dome
  7. 1696VEI 1Teramati
    1696-04 – Berlangsung
    North side of summit dome
  8. 1690VEI 1Teramati
    1690-04-05 – Berlangsung
    Gouffre Dupuy, Gouffre Tarissan
  9. 1530 (±30 tahun)VEI 4Perkiraan geologi
    1530 – Berlangsung
    La Soufrière
  10. 370 (±75 tahun)VEI ?Perkiraan geologi
    370 – Berlangsung
    La Citerne and L'Eschelle cones
  11. 580 SMVEI 2Perkiraan geologi
    BCE 580 – Berlangsung
    South flank (Morne Lenglet)
  12. 820 SM (±100 tahun)VEI 3Perkiraan geologi
    BCE 820 – Berlangsung
    Morne Amic ?
  13. 980 SM (±200 tahun)VEI ?Perkiraan geologi
    BCE 980 – Berlangsung
  14. 1310 SM (±150 tahun)VEI 3Perkiraan geologi
    BCE 1310 – Berlangsung
    Morne Amic
  15. 1810 SM (±150 tahun)VEI ?Perkiraan geologi
    BCE 1810 – Berlangsung
  16. 2050 SMVEI ?Perkiraan geologi
    BCE 2050 – Berlangsung
  17. 3310 SM (±150 tahun)VEI ?Perkiraan geologi
    BCE 3310 – Berlangsung
    South flank (Gros Fougas)
  18. 6450 SM (±150 tahun)VEI ?Perkiraan geologi
    BCE 6450 – Berlangsung
  19. 7490 SM (±150 tahun)VEI ?Perkiraan geologi
    BCE 7490 – Berlangsung

Tautan eksternal

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