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Kenya · Gunung api perisai

Barrier

Barrier, The

Tipe
Gunung api perisai
Ketinggian
1032 m
Letusan terakhir
1921
A northward-looking aerial view shows the summit caldera of Kakorinya volcano of The Barrier volcanic complex with Lake Turkana in the distance. The 3.8-km-wide summit caldera was formed about 92,000 years ago, and post-caldera lava domes and flows fill much of the caldera floor. Fresh-looking lava flows and tuff cones occur along the shores of Lake Turkana. Teleki's Cone on the northern flank and Andrew's Cone (lower left foreground) on the southern flank have been the source of historical lava flows.
A northward-looking aerial view shows the summit caldera of Kakorinya volcano of The Barrier volcanic complex with Lake Turkana in the distance. The 3.8-km-wide summit caldera was formed about 92,000 years ago, and post-caldera lava domes and flows fill much of the caldera floor. Fresh-looking lava flows and tuff cones occur along the shores of Lake Turkana. Teleki's Cone on the northern flank and Andrew's Cone (lower left foreground) on the southern flank have been the source of historical lava flows. · Foto: Photo by Martin Smith, 1993 (copyright British Geological Survey, NERC).
Tipe
Gunung api perisai
Negara
Kenya
Wilayah
Afrika Timur / Kenyan Rift Volcanic Province
Ketinggian
1032 m
Koordinat
2.320, 36.570
Letusan terakhir
1921
Kondisi tektonik
Zona rift / Kerak benua (> 25 km)
Bentuk lahan
Perisai
Batuan utama
Trakit / Trakidasit
Ringkasan geologi

The Barrier volcanic complex separates Lake Turkana from the broad Suguta Trough to the S, the site of a former lake. The volcano is comprised of four overlapping shield volcanoes, with the youngest, Kakorinya, located over the axis of the East African Rift. Kalolenyang volcano lies W of Kakorinya, and Likaiu West and Likaiu East are located to the ENE. A 3.8-km-wide summit caldera was formed at Kakorinya about 92,000 years ago. Youthful-looking trachytic and phonolitic lava domes and flows erupted within the caldera and along its ring fracture fill much of the caldera floor. Early Holocene fissure-related scoria cones and lava flows dot the S and N flanks. Solfataric fields are located within the caldera and on the W and S flanks. Historical eruptions from Teleki's and Andrew's cones on the N and S flanks, respectively, have produced basaltic explosive activity and lava flows during the 19th and 20th centuries.

Riwayat letusan

12 tercatatGlosarium
Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu · Gunakan tombol panah untuk berpindah batang, Enter untuk membuka
7710 SM~7389 SM · 1 letusan · VEI maks. ?958~1279 · 3 letusan · VEI maks. 01600~1921 · 8 letusan · VEI maks. 27710 SM5463 SM2894 SM647 SM1600

Garis waktu rinci

  1. 1921VEI 2Teramati
    1921-12-31 – akhir tidak diketahui
    North flank (Teleki)
  2. 1920 (±3 tahun)VEI ?Metode tidak dinyatakan
    1920-07-02 – akhir tidak diketahui
    South flank (Andrew's Volcano)
  3. 1917VEI 2Teramati
    1917-07-02 – akhir tidak diketahui
    Andrew's or Teleki's Volcanoes
  4. 1906VEI ?Metode tidak dinyatakan
    1906-07-02 – akhir tidak diketahui
    Andrew's or Teleki's Cones
  5. 1897VEI 2Teramati
    1897-05-16 – akhir tidak diketahui
    North flank (Teleki) and Likaiu
  6. 1895VEI 2Teramati
    1895-07-02 – akhir tidak diketahui
    North flank (Teleki's Cone)
  7. 1888VEI 0Teramati
    1888-07-02 – akhir tidak diketahui
    North flank (Teleki's Cone)
  8. 1871 (±3 tahun)VEI 2Teramati
    1871-07-02 – akhir tidak diketahui
    North flank (Teleki's Cone)
  9. 1090 (±50 tahun)VEI 0Perkiraan geologi
    1090 – akhir tidak diketahui
    North flank
  10. 1050 (±150 tahun)VEI 0Perkiraan geologi
    1050 – akhir tidak diketahui
    North flank
  11. 1030 (±150 tahun)VEI 0Perkiraan geologi
    1030 – akhir tidak diketahui
    North flank
  12. 7710 SM (±200 tahun)VEI ?Perkiraan geologi
    7710 SM – akhir tidak diketahui
    North (Abili Agituk) and south flanks

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