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Turrialba

Stratovolkan · Costa Rica · 3340 m

The Turrialba summit crater complex is seen here from the north, with the Central Valley of Costa Rica in the background. Three well-defined craters can be seen at the upper SW end of the broad summit area. Hydrothermally altered deposits can be seen at the central and SW summit craters (right), where geothermal activity continues.
The Turrialba summit crater complex is seen here from the north, with the Central Valley of Costa Rica in the background. Three well-defined craters can be seen at the upper SW end of the broad summit area. Hydrothermally altered deposits can be seen at the central and SW summit craters (right), where geothermal activity continues. · Foto: Photo by Federico Chavarria Kopper, 1999. · Wikimedia Commons
Tipe
Stratovolkan
Negara
Costa Rica
Wilayah
Middle America-Caribbean Volcanic Regions / Central America Volcanic Arc
Ketinggian
3340 m
Koordinat
10.025, -83.767
Letusan terakhir
2022
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

Turrialba, the easternmost of Costa Rica's Holocene volcanoes, is a large vegetated basaltic-to-dacitic stratovolcano located across a broad saddle NE of Irazú volcano overlooking the city of Cartago. The massive edifice covers an area of 500 km2. Three well-defined craters occur at the upper SW end of a broad 800 x 2200 m summit depression that is breached to the NE. Most activity originated from the summit vent complex, but two pyroclastic cones are located on the SW flank. Five major explosive eruptions have occurred during the past 3500 years. A series of explosive eruptions during the 19th century were sometimes accompanied by pyroclastic flows. Fumarolic activity continues at the central and SW summit craters.

Ringkasan Wikipedia

Ringkasan Inggris

Turrialba Volcano is an active volcano in central Costa Rica that has been eruptive in recent years including 2016 and in January, March, and April 2017. Visitors used to be able to hike down into the main crater, but increased volcanic activity in 2014–17, resulting in large clouds of volcanic ash, led to the closure of the surrounding Turrialba Volcano National Park. However, with the eruptions subsiding, the park and access to the volcano reopened on December 4, 2020.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
7260 BCE~6951 BCE · 1 letusan · VEI maks. ?1691 BCE~1381 BCE · 1 letusan · VEI maks. ?1381 BCE~1072 BCE · 1 letusan · VEI maks. ?1072 BCE~763 BCE · 1 letusan · VEI maks. ?144 BCE~166 · 1 letusan · VEI maks. 4475~784 · 1 letusan · VEI maks. ?1094~1403 · 1 letusan · VEI maks. ?1713~2022 · 18 letusan · VEI maks. 37260 BCE5094 BCE2619 BCE453 BCE1713

Garis waktu rinci

  1. 2022VEI 1Teramati
    2022-07-17 – 2022-07-17
  2. 2021VEI 1Teramati
    2021-06-13 – 2021-07-23
  3. 2021VEI 1Teramati
    2021-11-03 – 2022-02-28
  4. 2020VEI 1Teramati
    2020-06-18 – 2020-08-24
  5. 2015VEI 3Teramati
    2015-03-08 – 2019-10-28
    Cráter Central, Cráter Oeste
  6. 2014VEI 2Teramati
    2014-10-29 – 2014-12-08
    West Crater
  7. 2013VEI 1Teramati
    2013-05-21 – 2013-06-04
    West Crater
  8. 2012VEI 2Teramati
    2012-01-12 – 2012-01-18
    West Crater (SE flank)
  9. 2011VEI 1Teramati
    2011-01-14 – 2011-01-14
    West Crater
  10. 2010VEI 2Teramati
    2010-01-05 – 2010-03-07
    SW crater
  11. 2010VEI 2Teramati
    2010-07-24 – 2010-08-15
  12. 1866VEI 3Teramati
    1866-01 – 1866-05-08
    Central and SW summit craters
  13. 1864VEI 2Teramati
    1864-08-17 – 1865-03
    Central and SW summit craters
  14. 1861VEI ?Perkiraan geologi
    1861 – Berlangsung
  15. 1855VEI 2Teramati
    1855-05 – Berlangsung
  16. 1853VEI 2Teramati
    1853 – Berlangsung
  17. 1847VEI ?Perkiraan geologi
    1847 – Berlangsung
  18. 1723VEI 1Perkiraan geologi
    1723 – Berlangsung
  19. 1350VEI ?Perkiraan geologi
    1350 – Berlangsung
  20. 640 (±40 tahun)VEI ?Perkiraan geologi
    640 – Berlangsung
  21. 40 (±50 tahun)VEI 4Perkiraan geologi
    40 – Berlangsung
    Central summit crater
  22. 830 SM (±150 tahun)VEI ?Perkiraan geologi
    BCE 830 – Berlangsung
  23. 1120 SM (±200 tahun)VEI ?Perkiraan geologi
    BCE 1120 – Berlangsung
  24. 1420 SM (±300 tahun)VEI ?Perkiraan geologi
    BCE 1420 – Berlangsung
  25. 7260 SM (±300 tahun)VEI ?Perkiraan geologi
    BCE 7260 – Berlangsung
    NE summit crater

Tautan eksternal

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