Spanyol · Stratovolkan
Cumbre Vieja
La Palma
- Tipe
- Stratovolkan
- Ketinggian
- 2426 m
- Letusan terakhir
- 2021
- Tipe
- Stratovolkan
- Negara
- Spanyol
- Wilayah
- Afrika Utara / Canary Volcanic Province
- Ketinggian
- 2426 m
- Koordinat
- 28.570, -17.830
- Letusan terakhir
- 2021
- Kondisi tektonik
- Intralempeng / Kerak samudra (< 15 km)
- Bentuk lahan
- Komposit
- Batuan utama
- Trakibasal / Tefrit basanit
Ringkasan geologi
The 47-km-long wedge-shaped island of La Palma, the NW-most of the Canary Islands, is composed of two large volcanic centers. The older northern one is cut by the steep-walled Caldera Taburiente, one of several massive collapse scarps produced by edifice failure to the SW. On the south, the younger Cumbre Vieja volcano is one of the most active in the Canaries. The elongated volcano dates back to about 125,000 years ago and is oriented N-S. Eruptions during the past 7,000 years have formed abundant cinder cones and craters along the axis, producing fissure-fed lava flows that descend steeply to the sea. Eruptions recorded since the 15th century have produced mild explosive activity and lava flows that damaged populated areas. The southern tip of the island is mantled by a broad lava field emplaced during the 1677-1678 eruption. Lava flows also reached the sea in 1585, 1646, 1712, 1949, 1971, and 2021.
Ringkasan Wikipedia
Ringkasan InggrisThe Cumbre Vieja is an active volcanic ridge on the island of La Palma in the Canary Islands, Spain. The spine of Cumbre Vieja trends in an approximate north–south direction, comprising the southern half of La Palma, with both summit ridge and flanks pockmarked by dozens of craters and cones. The latest eruption began on 19 September 2021 in a forested area of Las Manchas locality known as Cabeza de Vaca. Voluminous lava flows quickly reached populated areas downslope, fanning out across settlements and banana plantations, destroying thousands of buildings and ultimately pouring over steep cliffs into the ocean to enlarge the island at several locations. The volcano went quiet on 13 December 2021, and on 25 December 2021, the local government declared the eruption to be over.
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Riwayat letusan
14 tercatatGlosariumGaris waktu rinci
- 2021VEI 3Teramati2021-09-19 – 2021-12-13Tajogaite eruption
- 1971VEI 2Teramati1971-10-26 – 1971-11-18Teneguia
- 1949VEI 2Teramati1949-06-24 – 1949-07-30San Juan, Llano del Banco, Hoyo Negro
- 1712VEI 2Teramati1712-10-09 – 1712-12-03El Charco
- 1677VEI 2Teramati1677-11-17 – 1678-01-21N & S flanks of San Antonio (Fuentecaliente)
- 1646VEI 2Teramati1646-10-02 – 1646-12-21South flank of San Martín (Tigalate)
- 1585VEI 2Teramati1585-05-19 – 1585-08-10Tahuya
- 1481 (±11 tahun)VEI 2Teramati1481 – akhir tidak diketahuiTacande (Montaña Quemada)
- 900 (±100 tahun)VEI ?Perkiraan geologi900 – akhir tidak diketahuiNambroque II-Malforada
- 360 SM (±50 tahun)VEI ?Perkiraan geologi360 SM – akhir tidak diketahuiEl Fraile
- 1320 SM (±100 tahun)VEI ?Perkiraan geologi1320 SM – akhir tidak diketahuiLa Fajana (Volcán Fuego)
- 4050 SM (±3000 tahun)VEI ?Perkiraan geologi4050 SM – akhir tidak diketahuiL'Amendrita, Birigoyo
- 4900 SM (±50 tahun)VEI ?Perkiraan geologi4900 SM – akhir tidak diketahui
- 6050 SM (±1500 tahun)VEI ?Perkiraan geologi6050 SM – akhir tidak diketahui
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