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Sangay volcano
Stratovolcano 5230 m (17,159 ft)
Ecuador, -2°S / -78.34°W
Current status: erupting (4 out of 5)
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Sangay volcano eruptions:
1934-ongoing (as of 2017), 1728-1916, 1628 (first observation) - ?
Typical eruption style:
Explosive. In historic time: frequent, intermittent strombolian activity
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Sangay volcano news

Sangay volcano (Ecuador): new eruptive phase with lava flow

Monday Aug 07, 2017 16:25 PM | BY: T

The lava flow of the east-southeast slope of Sngay on 2 Aug 2017 (image: SANTANAestudio / facebook)
The lava flow of the east-southeast slope of Sngay on 2 Aug 2017 (image: SANTANAestudio / facebook)
Ash emission from Sangay on 2 Aug (image: ECU911 via IGEPN)
Ash emission from Sangay on 2 Aug (image: ECU911 via IGEPN)
The volcano is in a new effusive-explosive eruption since late July or early August. A new lava flow started to descend on the east-southeast slope of the stratovolcano. As well, mild explosive activity has been occurring at the summit crater, seen as small ash emissions that have been observed frequently over the past days, producing small ash plumes rising a few 100 meters.
Most likely, this comes from strombolian explosions associated with the lava effusion. The magnitude of the eruption seems small to moderate, as typical for the volcano's activity during the past decades.

The new activity, which also was identified on heat emission data detected via satellite instruments, comes after a phase of quiet since November last year, when ash emissions were last reported from the volcano. Before that, a small eruption with both explosive and effusive (lava flow emission) activity was recorded during May-August 2016.
So far, the activity at the very remote volcano poses no danger to the mostly uninhabited surrounding area.
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Links / Sources:
Previous news
Satellite image of Sangay volcano on  6 Aug 2017
Sunday, Aug 06, 2017
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [more]
Wednesday, Aug 02, 2017
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [more]
Thursday, Jul 20, 2017
Washington VAAC reported that on 20 July an ash plume from Sangay rose to an altitude of 8.2 km (27,000 ft) a.s.l. and drifted W: ... [more]
Thursday, Nov 17, 2016
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [more]
Wednesday, Nov 16, 2016
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: ... [more]

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