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Ischia

Gunung api kompleks · Italy · 789 m

The Ischia volcanic complex forms a 6 x 9 km island W of the Bay of Naples seen in this International Space Station image. Tectonism has influenced volcanic activity at Ischia, and its high point (the dark-colored area in the center) is a horst (raised fault block) composed of ignimbrite deposits associated with Pleistocene caldera formation. During the Holocene, a series of pumiceous tephras, tuff rings, lava domes, and lava flows were erupted.
The Ischia volcanic complex forms a 6 x 9 km island W of the Bay of Naples seen in this International Space Station image. Tectonism has influenced volcanic activity at Ischia, and its high point (the dark-colored area in the center) is a horst (raised fault block) composed of ignimbrite deposits associated with Pleistocene caldera formation. During the Holocene, a series of pumiceous tephras, tuff rings, lava domes, and lava flows were erupted. · Foto: NASA International Space Station image ISS002-E-8200, 2001 (http://eol.jsc.nasa.gov/). · Wikimedia Commons
Tipe
Gunung api kompleks
Negara
Italy
Wilayah
European Volcanic Regions / Italian Peninsula Volcanic Provinces
Ketinggian
789 m
Koordinat
40.730, 13.897
Letusan terakhir
1302
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Trachyte / Trachydacite
Ringkasan geologi

The Ischia volcanic complex forms a rectangular, 6 x 9 km island immediately SW of the Campi Flegrei area at the western side of the Bay of Naples. The eruption of the trachytic Green Tuff ignimbrite about 56,000 years ago was followed by caldera formation. The high point on the island, Monte Epomeo, is a volcanic horst composed of the Green Tuff ignimbrite deposit that was submerged after its eruption and then uplifted. Volcanism on the island has been significantly affected by tectonism that formed a series of horsts and grabens; at least 800 m of uplift has formed as a result of resurgent doming during past 33,000 years. Many small monogenetic volcanoes were formed around the uplifted block. Volcanism during the Holocene produced a series of pumiceous tephras, tuff rings, lava domes, and lava flows, and a major collapse of Mount Epomeo produced a large submarine debris-avalanche deposit. The latest eruption, in 1302 CE, produced a spatter cone and the Arso lava flow, which reached the NE coast.

Ringkasan Wikipedia

Ischia merupakan sebuah pulau gunung berapi di Laut Tirrhenia, di bagian utara Teluk Napoli. Pulau ini terletak 30 km dari Napoli. Gunung tertinggi di pulau ini adalah Gunung Epomeo dengan ketinggian 788 meter. Komunitas utama di pulau ini ialah Ischia Porto. Komunitas lainnya ialah Barano d'Ischia, Casamicciola Terme, Forio, Lacco Ameno dan Serrara Fontana.

Wikipedia · CC BY-SA · Baca artikel lengkap →

Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
7550 BCE~7255 BCE · 1 letusan · VEI maks. ?4009 BCE~3714 BCE · 1 letusan · VEI maks. ?3714 BCE~3419 BCE · 1 letusan · VEI maks. ?3124 BCE~2829 BCE · 1 letusan · VEI maks. ?2829 BCE~2534 BCE · 1 letusan · VEI maks. ?2534 BCE~2239 BCE · 1 letusan · VEI maks. ?1649 BCE~1354 BCE · 1 letusan · VEI maks. ?1059 BCE~763 BCE · 1 letusan · VEI maks. ?763 BCE~468 BCE · 3 letusan · VEI maks. ?468 BCE~173 BCE · 2 letusan · VEI maks. ?173 BCE~122 · 5 letusan · VEI maks. 3122~417 · 2 letusan · VEI maks. ?417~712 · 1 letusan · VEI maks. ?712~1007 · 1 letusan · VEI maks. ?1007~1302 · 2 letusan · VEI maks. ?7550 BCE5485 BCE3124 BCE1059 BCE1007

Garis waktu rinci

  1. 1302VEI ?Teramati
    1302-01-18 – 1302-03
    Arso
  2. 1290VEI ?Perkiraan geologi
    1290 – Berlangsung
  3. 820 (±300 tahun)VEI ?Perkiraan geologi
    820 – Berlangsung
    Near Arso
  4. 540 (±150 tahun)VEI ?Perkiraan geologi
    540 – Berlangsung
    Montagnone-Moschiata area
  5. 295 (±10 tahun)VEI ?Teramati
    295 – Berlangsung
    Vateliero, Molara-Cava Nocelle, Rotaro
  6. 145VEI ?Teramati
    145 – Berlangsung
  7. 80 (±1 tahun)VEI ?Teramati
    80 – Berlangsung
  8. 69VEI ?Perkiraan geologi
    69 – Berlangsung
  9. 40 (±75 tahun)VEI 3Perkiraan geologi
    40 – Berlangsung
    Near Bosco della Maddalena
  10. 6 SM (±20 tahun)VEI ?Teramati
    BCE 6 – Berlangsung
  11. 91 SMVEI ?Teramati
    BCE 91 – Berlangsung
  12. 200 SM (±200 tahun)VEI ?Perkiraan geologi
    BCE 200 – Berlangsung
    Ischia Porto (Spiaggia dei Pescatori)
  13. 370 SM (±150 tahun)VEI ?Perkiraan geologi
    BCE 370 – Berlangsung
    Ischia Porto (San Pietro)
  14. 470 SMVEI ?Teramati
    BCE 470 – Berlangsung
    Bosco dei Conti and Fondo Ferraro ?
  15. 490 SM (±150 tahun)VEI ?Perkiraan geologi
    BCE 490 – Berlangsung
    Case Balestrieri?, Cava Nocelle?
  16. 700 SM (±75 tahun)VEI ?Perkiraan geologi
    BCE 700 – Berlangsung
    Costa del Lenzuolo
  17. 930 SM (±150 tahun)VEI ?Perkiraan geologi
    BCE 930 – Berlangsung
    SE of Selva del Napolitano
  18. 1480 SM (±300 tahun)VEI ?Perkiraan geologi
    BCE 1480 – Berlangsung
    Castiglione
  19. 2350 SM (±1400 tahun)VEI ?Perkiraan geologi
    BCE 2350 – Berlangsung
    Costa Sparaina
  20. 2700 SM (±1750 tahun)VEI ?Perkiraan geologi
    BCE 2700 – Berlangsung
    Punta della Cannuccia
  21. 3050 SM (±1000 tahun)VEI ?Perkiraan geologi
    BCE 3050 – Berlangsung
    Cantariello
  22. 3580 SM (±300 tahun)VEI ?Perkiraan geologi
    BCE 3580 – Berlangsung
    Submarine SE flank (Secca d'Ischia)
  23. 3880 SM (±200 tahun)VEI ?Perkiraan geologi
    BCE 3880 – Berlangsung
    Zaro, Marecocco, Spiaggia degli Inglesi
  24. 7550 SM (±2400 tahun)VEI ?Perkiraan geologi
    BCE 7550 – Berlangsung
    Selva del Napolitano, Piedmonte

Tautan eksternal

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