Tungurahua, Ecuador

The IG reported that although visual observations were occasionally limited due to cloud cover, ash and ash-and-steam plumes from Tungurahua were spotted and rose to altitudes of 6-9 km (19,700-30,000 ft) a.s.l. during 9-15 April. Ash plumes drifted NW, W, and SW; ashfall was reported in areas downwind on 9, 11, and 14 April. Roaring noises were reported almost daily. On 9 April, lahars descended S and NW drainages and disrupted the access road to Baños. During the night on 11 April, incandescent material was present at the summit and rolled about 600 m down the flanks. On 12 April, lahars descended NW and SW drainages. On 13 April, a mudflow traveled NW down the Mandur drainage. During 14-15 April, Strombolian activity at the summit was noted.

Source: Instituto Geofísico-Escuela Politécnica Nacional (IG) – “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”


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