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Soche

Stratovolkan · Ecuador · 3955 m

Volcán el Soche is a small volcano near the Ecuador-Colombia border and is seen in the center of this December 2017 Planet Labs satellite image monthly mosaic (N is at the top; this image is approximately 9.5 km across). Soche is the northernmost of a chain of Ecuadorian volcanoes east of the principal volcanic axis and was the source of a major explosive eruption during the early Holocene.
Volcán el Soche is a small volcano near the Ecuador-Colombia border and is seen in the center of this December 2017 Planet Labs satellite image monthly mosaic (N is at the top; this image is approximately 9.5 km across). Soche is the northernmost of a chain of Ecuadorian volcanoes east of the principal volcanic axis and was the source of a major explosive eruption during the early Holocene. · Foto: Satellite image courtesy of Planet Labs Inc., 2018 (https://www.planet.com/).
Tipe
Stratovolkan
Negara
Ecuador
Wilayah
South America Volcanic Regions / Northern Andean Volcanic Arc
Ketinggian
3955 m
Koordinat
0.552, -77.580
Letusan terakhir
-6650
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Dacite
Ringkasan geologi

Volcán el Soche, a small stratovolcano near the Colombia border, is the northernmost of a chain of Ecuadorian volcanoes east of the principal volcanic axis. This dominantly dacitic volcano was constructed over Paleozoic rocks and has a summit caldera open to the E. A major explosive eruption took place during the early Holocene at about 8600 years BP, depositing tephra NW into Colombia. The ejection of voluminous dacitic airfall pumice and pyroclastic flows was followed by the formation of two lava domes in the caldera.

Ringkasan Wikipedia

Ringkasan Inggris

Soche is a 3,955-metre-high (12,976 ft) dacitic volcano in Ecuador and is located on the northern end of a secondary volcanic chain. Constructed on a Paleozoic substratum, it contains an eastwards-opening caldera in the summit region. A large eruption in 6650 BCE generated ashfall into Colombia and two lava domes in the caldera. The ash- and lapilli-fall is about a metre thick in the Interandean valley and the neighbouring cordilleras and most likely represented a long-lasting obstacle for human population. Earlier eruptive events involving a lava flow that was subsequently offset by a fault zone named the Cayambe-Chingual fault by 110m occurred 9.67 ka BP, and another involving a pyroclastic flow was dated at 37.22 ± 0.63 ka BP.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
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6650 BCE~6650 BCE · 1 letusan · VEI maks. 56650 BCE6650 BCE6649 BCE6649 BCE6649 BCE

Garis waktu rinci

  1. 6650 SMVEI 5Perkiraan geologi
    BCE 6650 – Berlangsung

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