Tungurahua, Ecuador

IG reported that although visual observations were very limited due to storm cloud cover, gas-and-steam and ash-and-steam plumes from Tungurahua were spotted and rose to altitudes of 5.5-7 km (18,000-23,000 ft) a.s.l. during 20-26 February. Ash plumes drifted mainly W and SW and ashfall was reported in areas downwind on 19, 23, and 26 February. Lahars or mudflows affected roads in the Pampas sector to the S on 19, 20, and 25 February.

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

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