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Satellite image of Tungurahua volcano by (c) Google Earth View
Satellite image of Tungurahua volcano by (c) Google Earth View
Tungurahua volcano
Stratovolcano 5023 m (16,479 ft)
Ecuador, -1.47°S / -78.44°W
Current status: normal or dormant (1 out of 5) Tungurahua volcano eruptions:
1534, 1557, 1640(?), 1641, 1644(?), 1646(?), 1757(?), 1773, 1776, 1777(?), 1781(?), 1857, 1885(?), 1886-88, 1900(?), 1916-25, 1944, 2000 - 2016, 2017 (?)
Typical eruption style:
Explosive.

Tungurahua volcano news & eruption updates:

Tungurahua volcano (Ecuador): powerful vulcanian eruption sends plume to above 40,000 ft altitude

Sun, 2 Feb 2014, 09:56
09:56 AM | BY: T
Strong explosion at Tungurahua and a pyroclastic flow this morning
Strong explosion at Tungurahua and a pyroclastic flow this morning
Pyroclastic flows descending from Tungurahua during the paroxysmal explosion at 17:39 (local time) yesterday evening
Pyroclastic flows descending from Tungurahua during the paroxysmal explosion at 17:39 (local time) yesterday evening
The same scene a few minutes later
The same scene a few minutes later
A strong phase of activity (a paroxysm) occurred yesterday afternoon, with a series of powerful vulcanian explosions, that produced an ash plume surpassing 40,000 ft (13 km) altitude, heavy tephra fall and pyroclastic flows to up to approx 8 km length.
Activity began to increase at approximately 17:00 (local time ). At 17h12 and 17h32 (local time), two moderate-sized explosions occurred that generated ash columns that rose approx 5 km above the summit, and partial collapses of the column produced pyroclastic flows that descended about 500 m in the north-eastern and north-western flanks.
These explosions were followed by a larger explosion at 17h39 (local time), that erupted a sustained column rising quickly about 8 km above the volcano (i.e. to 40,000 ft / 13 km altitude). Heavy ash fall occurred immediately afterwards on all sides of the volcano, most notably to the NW, NE, W, W and SE. In the sector of Chacauco, the tephra fall caused total darkness (!).
Collapsing parts of the eruption column produced larger pyroclastic flows that descended the Juive, Vazcúnto, and other canyons draining from the volcano reaching its feet. The largest flow descended on the NW side reached the lower Achupashal valley, cut the Baños-Penipe road and plunged into the Chambo river after reaching more than 7-8 km from the volcano.
Some of the flows damaged IGPEN monitoring instruments in the ravines of Vazcun, Achupashal, and Juive.


After 19h00 (local time ), the activity gradually decreased and turned to continuous, but still very strong strombolian explosions that were accompanied by strong shock waves that rattled windows and roofs of houses in surrounding villages. Lava fountains could be seen rising 500-800 m from the crater.
At the moment, activity continues at reduced levels (compared to last evening) with frequent small to moderate explosions. The most recent updates can be found at the website of the volcano observatory: www.igepn.edu.ec/recursos/noticias.html.
Previous news
Sat, 1 Feb 2014, 20:52
Ash eruption at Tungurahua volcano this evening
Activity continues at the volcano. Several relatively strong ash emissions occurred during the past 12 hours, producing ash plumes rising 2-3 km above the volcano to estimated 26,000 ft (8 km) altitude and drifting SE: ... read all
Thu, 30 Jan 2014, 18:37
Current seismic recording from Tungurahua (RETU station, IGPEN)
A new eruptive phase has begun at the volcano. Since the early morning today, the seismic network detected an increase in earthquakes including signals of small explosions and long-period events and tremor typical for internal fluid movements (gasses and magma). ... read all
Sun, 3 Nov 2013, 11:14
Current seismic recording from Tungurahua (RETU station, IGPEN)
Activity is at moderate levels, characterized by relatively infrequent and small ash explosions. ... read all
Sat, 19 Oct 2013, 06:51
Small pyroclastic flow on the upper slope on 15 Oct (image: Pat. Mothes, IGPEN)
The eruptive phase that had started on 6 Oct, after a quiet interval of 3 months, continues to increase. The volcano observatory reports ash columns rising up to 3 km above the crater and the first occurrence (so far) small pyroclastic flows. ... read all
Thu, 17 Oct 2013, 10:55
Activity has been constant and slowly increasing. Strombolian explosions produce a column of gas and ash rising about 1 km, mostly driting west and north. Light ash fall has been reported from Penipe and Choglontus, and to the north, in Runtún. Near the volcano, constant rumbling is heard. ... read all

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