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Cerro Bravo

Bravo, Cerro

Stratovolkan · Colombia · 3985 m

Cerro Bravo is seen from the east. The summit dome was extruded during the most recent eruption and has a spine (a steep dome) near the top. An older lava dome and cone complex is situated to the left. Multiple collapse events sent block-and-ash flows down over lava flows (center) and onto the Plan de Arriba (lower left). The low tree-covered slope (left foreground) is the remnant of the pre-Cerro Bravo edifice that was destroyed by a Pleistocene caldera-forming event.
Cerro Bravo is seen from the east. The summit dome was extruded during the most recent eruption and has a spine (a steep dome) near the top. An older lava dome and cone complex is situated to the left. Multiple collapse events sent block-and-ash flows down over lava flows (center) and onto the Plan de Arriba (lower left). The low tree-covered slope (left foreground) is the remnant of the pre-Cerro Bravo edifice that was destroyed by a Pleistocene caldera-forming event. · Foto: Photo by David Lescinsky, 1988 (University of Western Ontario). · Wikimedia Commons
Tipe
Stratovolkan
Negara
Colombia
Wilayah
South America Volcanic Regions / Northern Andean Volcanic Arc
Ketinggian
3985 m
Koordinat
5.091, -75.293
Letusan terakhir
1720
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Dacite
Ringkasan geologi

Cerro Bravo is a relatively low dominantly dacitic lava-dome complex north of Nevado del Ruiz that was constructed within the Pleistocene Quebrada Seca caldera. A series of moderate plinian eruptions during the Holocene were accompanied by pyroclastic flows and lava dome growth. Although historical records of the roughly 4000-m-high Cerro Bravo eruptions have not been found, stratigraphic evidence indicates that it last erupted sometime between the 1595 and 1845 eruptions of Ruiz.

Ringkasan Wikipedia

Ringkasan Inggris

Cerro Bravo is a stratovolcano located in Tolima, Colombia, north of the Nevado del Ruiz volcano. The rock type of the volcano is andesite.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
4280 BCE~4080 BCE · 1 letusan · VEI maks. 41480 BCE~1280 BCE · 1 letusan · VEI maks. 41080 BCE~880 BCE · 1 letusan · VEI maks. 4880 BCE~680 BCE · 1 letusan · VEI maks. 4720~920 · 1 letusan · VEI maks. 4920~1120 · 1 letusan · VEI maks. 41320~1520 · 1 letusan · VEI maks. 41520~1720 · 1 letusan · VEI maks. 44280 BCE2880 BCE1280 BCE1201520

Garis waktu rinci

  1. 1720 (±150 tahun)VEI 4Perkiraan geologi
    1720 – Berlangsung
  2. 1330 (±75 tahun)VEI 4Perkiraan geologi
    1330 – Berlangsung
  3. 1050 (±75 tahun)VEI 4Perkiraan geologi
    1050 – Berlangsung
  4. 750 (±150 tahun)VEI 4Perkiraan geologi
    750 – Berlangsung
  5. 730 SM (±75 tahun)VEI 4Perkiraan geologi
    BCE 730 – Berlangsung
  6. 1050 SM (±200 tahun)VEI 4Perkiraan geologi
    BCE 1050 – Berlangsung
  7. 1310 SM (±150 tahun)VEI 4Perkiraan geologi
    BCE 1310 – Berlangsung
  8. 4280 SM (±150 tahun)VEI 4Perkiraan geologi
    BCE 4280 – Berlangsung

Tautan eksternal

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