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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: minor activity or eruption warning (3 out of 5)
Tungurahua webcams / live data | Reports
Tungurahua volcano videos
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Tungurahua volcano eruptions:
1534, 1557, 1640(?), 1641, 1644(?), 1646(?), 1757(?), 1773, 1776, 1777(?), 1781(?), 1857, 1885(?), 1886-88, 1900(?), 1916-25, 1944, 2000 - ongoing
Typical eruption style:
Explosive.
Last earthquakes nearby
Latest satellite images
 

Tungurahua volcano news & eruption updates:

Tungurahua volcano (Ecuador): new eruption

Thursday Jan 30, 2014 18:37 PM | BY: T

Current seismic recording from Tungurahua (RETU station, IGPEN)
Current seismic recording from Tungurahua (RETU station, IGPEN)
This morning's seismic signal from Tungurahua (RETU station, IGPEN)
This morning's seismic signal 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).
The Tungurahua volcano Observatory while unable to make direct visual observations received reports from observers that fine black ash fell in Pungal and Penipe, and minor amounts in Palictahua. The black color of the ash suggests that it originates from fresh (so called juvenile) magma.
The last eruptive phase of Tungurahua was between 6 Oct and 13 Nov past year and consisted in strombolian-vulcanian explosions generating ash columns rising up to 4 km, accompanied by strong shock waves and producing occasional pyroclastic flows. Bursts of moderate to strong intensity tremor characterized seismic activity during that period.
Since 13 Nov, activity had decreased markedly and the volcano only showed weak degassing and no signs that could have been interpreted as precursors to the current new activity, IGPEN mentions in its latest bulletin.
This implies that the magma that started the current new phase of activity has risen very quickly from a deeper reservoir into the shallow plumbing system of the volcano. In other words, eruptions at Tungurahua can start with little or even no warning.
Previous news
Current seismic recording from Tungurahua (RETU station, IGPEN)
Sunday, Nov 03, 2013
Activity is at moderate levels, characterized by relatively infrequent and small ash explosions. ... [more]
Small pyroclastic flow on the upper slope on 15 Oct (image: Pat. Mothes, IGPEN)
Saturday, Oct 19, 2013
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. ... [more]
Thursday, Oct 17, 2013
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. [more]
Tuesday, Oct 15, 2013
IGPEN reports no significant changes in the ongoing eruption, dominated by strombolian activity. Glowing blocks were seen rolling down for 1 km from the crater and there were sporadic cannon-shot explosions. A steam and ash plume rose to up to approx. 2 km height above the crater and caused ash fall in the areas of Mocha, Quero, Tisaleo and (a bit) in Mandur. [more]
This morning's seismic signal from Tungurahua (RETU station, IGPEN)
Monday, Oct 14, 2013
Continuous strombolian eruptions of fluctuating intensity are observed. This and the presence of a relatively large SO2 plume indicate that the volcano currently has an open conduit allowing fresh magma from deeper storage areas to rise quickly. [more]

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