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Sangay Vulkan
Stratovolcano 5230 m (17,159 ft)
Ecuador, -2°S / -78.34°W
Aktueller Status: Ausbruch (4 von 5)
Sangay Webcams / aktuelle Daten | Berichte
Sangay Vulkan-B cher
Ausbrüche des Sangay:
1628-?, 1728-1916, 1934 - 2007
Typische Aktivität:
Explosive. In historic time: frequent, intermittent strombolian activity
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Sangay volcano news

Sangay volcano (Ecuador): intense activity, field report 9-14 Jan 2020

Freitag Jan 17, 2020 17:05 | VON: T

Ash trace from a pyroclastic flow on the SE side of Sangay on 9 Jan 2020 morning
Ash trace from a pyroclastic flow on the SE side of Sangay on 9 Jan 2020 morning
The active lava flow on Sangay's SE side on 13 Jan 2020 evening
The active lava flow on Sangay's SE side on 13 Jan 2020 evening
The mainly effusive activity of the volcano remains intense, but due to near-constant cloud and fog cover is very difficult to observe.
During our pilot trip to Ecuador, we stayed at the SE flank of the volcano from 9-14 Jan 2019 and occasionally managed to observe the ongoing effusion of viscous lava from a vent near the summit into the prominent drainage on the SE flank of the cone, which eventually leads into the "Rio Volcan" canyon. The lava flow was more or less coherent on approx. 1.5-2 km length, after which it consists of loose blocks from incandescent rockfalls.
At intervals of few to tens of minutes, small collapses along the lava flow generated small pyroclastic flows typically reaching 1-2 km length.
Minor explosive activity also was observed from the summit, generating ash plumes rising a few 100 m.
On one occasion, a loud booming sound from presumably a stronger explosion was heard, but fog cover prevented visual observation.
The effusive-explosive activity generated a near-continuous ash plume drifting at 4-5.5 km altitude towards westerly directions.
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