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Cayambe

Gunung api majemuk · Ecuador · 5790 m

The massive compound Cayambe stratovolcano, seen here from the SW across Ecuador's Interandean Depression, is the northernmost of a chain of large, glacier-covered Holocene volcanoes along the western edge of the Cordillera Real. No historical eruptions are known from 5790-m-high Cayambe, although lava flows on the flanks of the volcano have very young morphologies. Pyroclastic-flow deposits of possible Holocene age are present.
The massive compound Cayambe stratovolcano, seen here from the SW across Ecuador's Interandean Depression, is the northernmost of a chain of large, glacier-covered Holocene volcanoes along the western edge of the Cordillera Real. No historical eruptions are known from 5790-m-high Cayambe, although lava flows on the flanks of the volcano have very young morphologies. Pyroclastic-flow deposits of possible Holocene age are present. · Foto: Photo by Minard Hall, 1982 (Escuela Politécnica Nacional, Quito). · Wikimedia Commons
Tipe
Gunung api majemuk
Negara
Ecuador
Wilayah
South America Volcanic Regions / Northern Andean Volcanic Arc
Ketinggian
5790 m
Koordinat
0.029, -77.986
Letusan terakhir
1786
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

The massive compound andesitic-dacitic Cayambe stratovolcano is located on the western edge of the Cordillera Real, east of the Inter-Andean Valley. The volcano, whose southern flank is on the equator, is capped by extensive glaciers. The modern Nevado Cayambe, constructed to the east of older Pleistocene volcanic complexes, contains two summit lava domes about 1.5 km apart. Several other lava domes on the upper flanks have been the source of pyroclastic flows that reached the lower flanks. A prominent Holocene pyroclastic cone on the lower E flank, La Virgen, fed thick andesitic lava flows that traveled about 10 km E. Nevado Cayambe has also produced frequent explosive eruptions beginning about 4,000 years ago, with the most recent known activity during 1785-86.

Ringkasan Wikipedia

Ringkasan Inggris

Cayambe or Volcán Cayambe is a volcano in Ecuador, in the Cordillera Central, a range of the Ecuadorian Andes. It is located in Pichincha Province, some 70 km (43 mi) northeast of Quito. It is the third-highest mountain in Ecuador, at an elevation of 5,790 m (18,996 ft) above sea level.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
1800 BCE~1601 BCE · 2 letusan · VEI maks. ?1402 BCE~1202 BCE · 1 letusan · VEI maks. ?605 BCE~406 BCE · 3 letusan · VEI maks. ?406 BCE~207 BCE · 2 letusan · VEI maks. ?207 BCE~7 BCE · 1 letusan · VEI maks. ?7 BCE~192 · 2 letusan · VEI maks. ?192~391 · 2 letusan · VEI maks. ?789~988 · 1 letusan · VEI maks. ?988~1188 · 1 letusan · VEI maks. 41188~1387 · 2 letusan · VEI maks. 41387~1586 · 2 letusan · VEI maks. 41586~1785 · 3 letusan · VEI maks. 21800 BCE1003 BCE7 BCE7891586

Garis waktu rinci

  1. 1785VEI 2Teramati
    1785-02 – 1786-03
    Upper SE flank
  2. 1700VEI ?Perkiraan geologi
    1700 – Berlangsung
  3. 1590VEI ?Perkiraan geologi
    1590 – Berlangsung
    North flank of main summit
  4. 1570VEI 4Perkiraan geologi
    1570 – Berlangsung
    North flank of main summit
  5. 1440VEI ?Perkiraan geologi
    1440 – Berlangsung
  6. 1290VEI 4Perkiraan geologi
    1290 – Berlangsung
    Tarugo Corral lava dome (NE flank)
  7. 1270VEI ?Perkiraan geologi
    1270 – Berlangsung
  8. 1040VEI 4Perkiraan geologi
    1040 – Berlangsung
    Lava dome near eastern summit
  9. 880VEI ?Perkiraan geologi
    880 – Berlangsung
  10. 260VEI ?Perkiraan geologi
    260 – Berlangsung
  11. 200VEI ?Perkiraan geologi
    200 – Berlangsung
  12. 170VEI ?Perkiraan geologi
    170 – Berlangsung
  13. 10VEI ?Perkiraan geologi
    10 – Berlangsung
  14. 180 SMVEI ?Perkiraan geologi
    BCE 180 – Berlangsung
  15. 230 SMVEI ?Perkiraan geologi
    BCE 230 – Berlangsung
  16. 260 SMVEI ?Perkiraan geologi
    BCE 260 – Berlangsung
  17. 460 SMVEI ?Perkiraan geologi
    BCE 460 – Berlangsung
  18. 510 SMVEI ?Perkiraan geologi
    BCE 510 – Berlangsung
  19. 560 SMVEI ?Perkiraan geologi
    BCE 560 – Berlangsung
  20. 1300 SMVEI ?Perkiraan geologi
    BCE 1300 – Berlangsung
  21. 1650 SMVEI ?Perkiraan geologi
    BCE 1650 – Berlangsung
  22. 1800 SMVEI ?Perkiraan geologi
    BCE 1800 – Berlangsung

Tautan eksternal

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