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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 webcams / live data | Reports
Tungurahua volcano videos
Tungurahua volcano books
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.
Last earthquakes nearby
Latest satellite images
 

Tungurahua volcano news & eruption updates:

Tungurahua volcano (Ecuador), eruption update: strong ash emissions, pyroclastic flows and explosions

Monday Aug 20, 2012 10:05 AM | BY: T

Pyroclastic flow deposit from the evening of 18 Aug (IGEPN)
Pyroclastic flow deposit from the evening of 18 Aug (IGEPN)
Tremor on current seismogram (RETU station) (IG)
The eruption continues with constant steam and ash emissions generating a plume 1.5 km above the crater, intermittent cannon-shot-like explosions of moderate strength, which eject blocks of considerable size, and pyroclastic flows reaching 1.5 km distance. During 19 Aug, 4 pyroclastic flows were counted that went towards the areas of Cusúa and La Pirámide.
Strong ash fall were recorded in Pillate, San Juan, Santuario, Sabañag, Cahuají, Manzano, Choglontús, Bilbao, the upper area of Quero and the zone of Igualata.
The eruptive activity is accompanied by a seismic signal that shows a constant high-energy tremor, and moderate to strong rumbling noises, audible as far as in the towns of Ambato and Riobamba.
Due to cloud cover, it was not possible to see whether the lava flow from the evening before (18 Aug) was still active.
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Links / Sources:
Previous news
Thermal images taken of the lava flow and mobilized incandescent blocks tumbling down from a notch in the crater wall on the northwestern flank of the volcano Tungurahua. (S. Vallejo / IGEPN)
Sunday, Aug 19, 2012
At 19h36 (local time) on 18 August, a possible lava flow from the summit crater and incandescent lava blocks continuously tumbling down were observed using thermal imagery. ... [more]
Current tremor signal from RETU station (IG)
Friday, Aug 17, 2012
A constant strong tremor signal is visible and the volcano is producing a strong steam plume with intermittent but still small ash explosions. VAAC Washington warns about ash at 20,000 ft, although is not able to identify it on satellite imagery. [more]
SO2 plume from Tungurahua (NOAA)
Thursday, Aug 16, 2012
Tungurahua continues to produce loud explosions and moderately strong ash venting which cause ashfall on surrounding communities. Tremor is high and seems to be rising. ... [more]
Current seismic signal showing strong tremor
Wednesday, Aug 15, 2012
The Geophysical Institute of Ecuador (IG) has posted a special report summarizing the recently increased activity of Tungurahua volcano: ... [more]
SO2 plume from Tungurahua (NOAA)
Tuesday, Aug 14, 2012
An important increase of Tungurahua's activity can be seen on online data. VAAC Washington reports an ash plume at 20,000 ft (6 km) altitude moving WNW, and a strong SO2 plume is visible on satellite imagery. ... [more]

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