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Nevado del Tolima

Tolima, Nevado del

Stratovolkan · Colombia · 5215 m

Glaciated Tolima volcano is seen here looking south from the flank of Nevado del Ruiz. The summit consists of late-Pleistocene to Holocene lava domes and contains a crater 200-300 m deep. Holocene activity has ranged from moderate explosions to Plinian eruptions. A recent major eruption took place about 3,600 years ago and minor explosive eruptions took place in the 19th and 20th centuries.
Glaciated Tolima volcano is seen here looking south from the flank of Nevado del Ruiz. The summit consists of late-Pleistocene to Holocene lava domes and contains a crater 200-300 m deep. Holocene activity has ranged from moderate explosions to Plinian eruptions. A recent major eruption took place about 3,600 years ago and minor explosive eruptions took place in the 19th and 20th centuries. · Foto: Photo by Tom Pierson, 1985 (U.S. Geological Survey). · Wikimedia Commons
Tipe
Stratovolkan
Negara
Colombia
Wilayah
South America Volcanic Regions / Northern Andean Volcanic Arc
Ketinggian
5215 m
Koordinat
4.658, -75.330
Letusan terakhir
1943
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

The steep-sided, glacier-covered Nevado del Tolima volcano contrasts with the broad profile of Nevado del Ruiz to the north. The andesitic-dacitic younger Tolima formed during the past 40,000 years, rising above and largely obscuring a 3-km-wide late-Pleistocene caldera. The summit consists of a cluster of late-Pleistocene to Holocene lava domes associated with thick block-lava flows on the N and E flanks, and extensive pyroclastic-flow deposits. The summit contains a funnel-shaped crater 200-300 m deep. Holocene activity has included explosive eruptions ranging in size from moderate to Plinian, and the last major eruption took place about 3,600 years ago. Lava dome growth has produced block-and-ash flows that traveled primarily to the NE and SE. Minor explosive eruptions have been recorded in the 19th and 20th centuries.

Ringkasan Wikipedia

Ringkasan Inggris

The Nevado del Tolima is a Late Pleistocene to recently active andesitic stratovolcano located in the Tolima department, Colombia. The volcano lies south of Nevado del Ruiz volcano and is situated within the Los Nevados National Natural Park. The volcano, whose most recent activity dates to 1943 and last major eruption around 3600 years ago, overlies the Eocene El Bosque Batholith, dated at 49.1 ± 1.7 Ma.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
7800 BCE~7475 BCE · 1 letusan · VEI maks. 45527 BCE~5202 BCE · 1 letusan · VEI maks. ?5202 BCE~4877 BCE · 1 letusan · VEI maks. ?3578 BCE~3253 BCE · 1 letusan · VEI maks. ?2279 BCE~1954 BCE · 1 letusan · VEI maks. 5655 BCE~330 BCE · 1 letusan · VEI maks. 3330 BCE~6 BCE · 1 letusan · VEI maks. 36 BCE~319 · 1 letusan · VEI maks. 31618~1943 · 4 letusan · VEI maks. 27800 BCE5527 BCE2928 BCE655 BCE1618

Garis waktu rinci

  1. 1943VEI 2Teramati
    1943-03 – Berlangsung
  2. 1826VEI 2Teramati
    1826-05 – 1826-06-17
  3. 1825VEI 2Teramati
    1825-03-02 – Berlangsung
  4. 1822VEI 2Teramati
    1822-11 – Berlangsung
  5. 260 (±150 tahun)VEI 3Perkiraan geologi
    260 – Berlangsung
  6. 200 SM (±200 tahun)VEI 3Perkiraan geologi
    BCE 200 – Berlangsung
  7. 610 SM (±200 tahun)VEI 3Perkiraan geologi
    BCE 610 – Berlangsung
  8. 1990 SM (±200 tahun)VEI 5Perkiraan geologi
    BCE 1990 – Berlangsung
  9. 3500 SM (±300 tahun)VEI ?Perkiraan geologi
    BCE 3500 – Berlangsung
  10. 5160 SM (±200 tahun)VEI ?Perkiraan geologi
    BCE 5160 – Berlangsung
  11. 5310 SM (±100 tahun)VEI ?Perkiraan geologi
    BCE 5310 – Berlangsung
  12. 7800 SM (±300 tahun)VEI 4Perkiraan geologi
    BCE 7800 – Berlangsung

Tautan eksternal

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