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Pichincha

Guagua Pichincha

Stratovolkan · Ecuador · 4784 m

An aerial view from the east shows the Pichincha volcanic complex, one of Ecuador's most active volcanoes, rising immediately above the capital city of Quito. Guagua Pichincha (left) and the sharp-topped Pleistocene Rucu Pichincha stratovolcano (right) form a broad volcanic massif overlooking Ecuador's largest city. The largest historical eruption from Guagua Pichincha took place in 1660 CE, when ash fell over a 1000 km radius, accumulating to 30 cm depth in Quito.
An aerial view from the east shows the Pichincha volcanic complex, one of Ecuador's most active volcanoes, rising immediately above the capital city of Quito. Guagua Pichincha (left) and the sharp-topped Pleistocene Rucu Pichincha stratovolcano (right) form a broad volcanic massif overlooking Ecuador's largest city. The largest historical eruption from Guagua Pichincha took place in 1660 CE, when ash fell over a 1000 km radius, accumulating to 30 cm depth in Quito. · Foto: Photo by Patricio Ramon, 2004 (Instituto Geofisca, Escuela Politecnica Nacional). · Wikimedia Commons
Tipe
Stratovolkan
Negara
Ecuador
Wilayah
South America Volcanic Regions / Northern Andean Volcanic Arc
Ketinggian
4784 m
Koordinat
-0.171, -78.598
Letusan terakhir
2002
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

Guagua Pichincha and the older Pleistocene Rucu Pichincha stratovolcanoes form a broad volcanic massif that rises immediately W of Ecuador's capital city, Quito. A lava dome grew at the head of a 6-km-wide scarp formed during a late-Pleistocene slope failure ~50,000 years ago. Subsequent late-Pleistocene and Holocene eruptions from the central vent consisted of explosive activity with pyroclastic flows accompanied by periodic growth and destruction of the lava dome. Many minor eruptions have been recorded since the mid-1500's; the largest took place in 1660, when ash fell over a 1,000 km radius and accumulated to 30 cm depth in Quito. Pyroclastic flows and surges also occurred, primarily to then W, and affected agricultural activity.

Ringkasan Wikipedia

Pichincha adalah sebuah gunung berapi kerucut yang berlokasi di Ibukota Quito, Ekuador.

Wikipedia · CC BY-SA · Baca artikel lengkap →

Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
7000 BCE~6700 BCE · 1 letusan · VEI maks. ?6700 BCE~6399 BCE · 2 letusan · VEI maks. ?6399 BCE~6099 BCE · 2 letusan · VEI maks. ?4898 BCE~4598 BCE · 1 letusan · VEI maks. ?3697 BCE~3396 BCE · 1 letusan · VEI maks. ?2195 BCE~1895 BCE · 1 letusan · VEI maks. ?1895 BCE~1595 BCE · 1 letusan · VEI maks. ?1294 BCE~994 BCE · 1 letusan · VEI maks. ?93 BCE~207 · 1 letusan · VEI maks. 4508~808 · 1 letusan · VEI maks. ?808~1108 · 1 letusan · VEI maks. 51408~1709 · 12 letusan · VEI maks. 41709~2009 · 19 letusan · VEI maks. 37000 BCE4898 BCE2495 BCE393 BCE1709

Garis waktu rinci

  1. 2009VEI 1Perkiraan geologi
    2009-02-16 – 2009-02-17
  2. 2008VEI 1Perkiraan geologi
    2008-02-01 – 2008-02-01
  3. 2003VEI 1Perkiraan geologi
    2003-04-17 – 2003-04-17
  4. 2002VEI 1Teramati
    2002-04-16 – 2002-04-16
  5. 2002VEI 1Teramati
    2002-10-11 – 2002-12-07
  6. 2001VEI 1Teramati
    2001-11-26 – 2001-11-26
    North of 1981 crater
  7. 1998VEI 3Teramati
    1998-08-07 – 2001-05-25
    West and SE of 1981 crater
  8. 1997VEI 1Teramati
    1997-03-16 – 1997-10-18
    1981 crater
  9. 1993VEI 1Teramati
    1993-03-09 – 1993-03-12
    1981 crater
  10. 1990VEI 1Teramati
    1990-04-16 – 1990-05-10
    1981 crater
  11. 1985VEI 1Teramati
    1985-05-16 – 1985-06-16
    1981 crater
  12. 1981VEI 1Teramati
    1981-08-31 – 1982-11-16
    NE side of 1660 lava dome
  13. 1881VEI 2Teramati
    1881-03-10 – Berlangsung
  14. 1869VEI 2Teramati
    1869-03 – Berlangsung
  15. 1869VEI 2Teramati
    1869-07-22 – 1869-08-24
  16. 1868VEI 2Teramati
    1868-03-19 – 1868-03-22
  17. 1868VEI 2Teramati
    1868-08 – Berlangsung
  18. 1831VEI 3Teramati
    1831 – Berlangsung
  19. 1830VEI 2Teramati
    1830 – Berlangsung
  20. 1660VEI 4Teramati
    1660-10-27 – 1660-11-28
  21. 1582VEI 3Teramati
    1582-06-05 – 1598
  22. 1580VEI 2Perkiraan geologi
    1580 – Berlangsung
  23. 1577VEI 2Perkiraan geologi
    1577 – Berlangsung
  24. 1575VEI 2Teramati
    1575-09-08 – Berlangsung
  25. 1566VEI 3Teramati
    1566-10-17 – 1566-11-16
  26. 1560VEI 2Perkiraan geologi
    1560 – Berlangsung
  27. 1539VEI 2Perkiraan geologi
    1539 – Berlangsung
  28. 1538VEI 3Perkiraan geologi
    1538 – Berlangsung
  29. 1535VEI 2Perkiraan geologi
    1535 – Berlangsung
  30. 1534VEI 2Perkiraan geologi
    1534 – Berlangsung
  31. 1533VEI 2Perkiraan geologi
    1533 – Berlangsung
  32. 930 (±100 tahun)VEI 5Perkiraan geologi
    930 – Berlangsung
  33. 550 (±75 tahun)VEI ?Perkiraan geologi
    550 – Berlangsung
  34. 70 (±75 tahun)VEI 4Perkiraan geologi
    70 – Berlangsung
  35. 1230 SM (±75 tahun)VEI ?Perkiraan geologi
    BCE 1230 – Berlangsung
  36. 1860 SM (±100 tahun)VEI ?Perkiraan geologi
    BCE 1860 – Berlangsung
  37. 2090 SM (±75 tahun)VEI ?Perkiraan geologi
    BCE 2090 – Berlangsung
  38. 3500 SMVEI ?Perkiraan geologi
    BCE 3500 – Berlangsung
  39. 4850 SM (±1350 tahun)VEI ?Perkiraan geologi
    BCE 4850 – Berlangsung
  40. 6200 SMVEI ?Perkiraan geologi
    BCE 6200 – Berlangsung
  41. 6300 SMVEI ?Perkiraan geologi
    BCE 6300 – Berlangsung
  42. 6400 SMVEI ?Perkiraan geologi
    BCE 6400 – Berlangsung
  43. 6650 SMVEI ?Perkiraan geologi
    BCE 6650 – Berlangsung
  44. 7000 SMVEI ?Perkiraan geologi
    BCE 7000 – Berlangsung

Tautan eksternal

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