Cile · Stratovolkan
Aguas Calientes
Lascar
- Tipe
- Stratovolkan
- Ketinggian
- 5592 m
- Letusan terakhir
- 2026
- Tipe
- Stratovolkan
- Negara
- Cile
- Wilayah
- Amerika Selatan / Central Andean Volcanic Arc
- Ketinggian
- 5592 m
- Koordinat
- -23.370, -67.730
- Letusan terakhir
- 2026
- Kondisi tektonik
- Zona subduksi / Kerak benua (> 25 km)
- Bentuk lahan
- Komposit
- Batuan utama
- Andesit / Andesit basaltik
Ringkasan geologi
Láscar is the most active volcano of the northern Chilean Andes. The andesitic-to-dacitic stratovolcano contains six overlapping summit craters. Prominent lava flows descend its NW flanks. An older, higher stratovolcano 5 km E, Volcán Aguas Calientes, displays a well-developed summit crater and a probable Holocene lava flow near its summit (de Silva and Francis, 1991). Láscar consists of two major edifices; activity began at the eastern volcano and then shifted to the western cone. The largest eruption took place about 26,500 years ago, and following the eruption of the Tumbres scoria flow about 9000 years ago, activity shifted back to the eastern edifice, where three overlapping craters were formed. Frequent small-to-moderate explosive eruptions have been recorded since the mid-19th century, along with periodic larger eruptions that produced ashfall hundreds of kilometers away. The largest historical eruption took place in 1993, producing pyroclastic flows to 8.5 km NW of the summit and ashfall in Buenos Aires.
Riwayat letusan
38 tercatatGlosariumGaris waktu rinci
- 2026VEI ?Teramati2026-02-08 – 2026-02-08
- 2022VEI 3Teramati2022-12-10 – 2023-02-03
- 2015VEI 2Teramati2015-10-30 – 2017-04-02Summit craters
- 2013VEI 1Teramati2013-04-02 – 2013-11-20Central active crater
- 2006VEI 3Teramati2006-04-18 – 2007-07-18
- 2005VEI 3Teramati2005-05-04 – 2005-05-04
- 2003VEI 1Metode tidak dinyatakan2003-12-09 – 2003-12-09
- 2002VEI 2Teramati2002-10-26 – 2002-10-27
- 2001VEI ?Metode tidak dinyatakan2001-05-17 – 2001-07-05
- 2000VEI 2Teramati2000-07-20 – 2001-01-18
- 1996VEI 2Teramati1996-10-18 – 1996-10-18
- 1994VEI 2Teramati1994-07-20 – 1994-07-26
- 1994VEI 2Teramati1994-11-13 – 1995-07-20
- 1993VEI 4Teramati1993-01-30 – 1993-08-16Western crater of east summit cone
- 1993VEI 2Teramati1993-12-17 – 1994-02-27
- 1991VEI 2Teramati1991-10-21 – 1992-05-23
- 1990VEI 1Teramati1990-11-24 – 1990-11-24
- 1987VEI 3Teramati1987-11-16 – 1990-04-06Western crater of east summit cone
- 1986VEI 3Teramati1986-09-14 – 1986-09-16Western crater of east summit cone
- 1984VEI 0Teramati1984-12-16 – 1985-07-16Western crater of east summit cone
- 1974VEI 1Metode tidak dinyatakan1974-07-16 – 1974-09-16
- 1972VEI 2Metode tidak dinyatakan1972-07-02 – akhir tidak diketahui
- 1969VEI 1Teramati1969-05-16 – akhir tidak diketahui
- 1959VEI 2Teramati1959-11-16 – 1968-01-31
- 1954VEI 2Teramati1954-06-16 – 1954-07-16
- 1951VEI 2Teramati1951-11-16 – 1952-02-19East summit crater
- 1940VEI 2Teramati1940-07-02 – akhir tidak diketahui
- 1933VEI 2Teramati1933-10-09 – 1933-12-16
- 1902VEI 2Teramati1902-07-02 – akhir tidak diketahui
- 1898VEI 2Teramati1898-07-02 – 1900-07-02
- 1883VEI 2Teramati1883-07-02 – 1885-07-02
- 1875VEI 2Teramati1875-07-02 – akhir tidak diketahui
- 1858VEI 2Teramati1858-04-16 – 1858-12-16
- 1854VEI 1Teramati1854-01-20 – 1854-01-30Lascar or Aguas Calientes
- 1853VEI 2Metode tidak dinyatakan1853-07-02 – akhir tidak diketahui
- 1848VEI 2Teramati1848-07-02 – akhir tidak diketahuiLascar or Agua Calientes
- 5150 SM (±1250 tahun)VEI 0Perkiraan geologi5150 SM – akhir tidak diketahuiEastern crater
- 7250 SMVEI ?Perkiraan geologi7250 SM – akhir tidak diketahuiLascar II (Tumbres scoria flow)
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Tautan eksternal
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