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27 lis 2011 · Tungurahua, a steep-sided andesitic-dacitic stratovolcano that towers more than 3 km above its northern base, is one of Ecuador's most active volcanoes. Three major edifices have been sequentially constructed since the mid-Pleistocene over a basement of metamorphic rocks.
5 sty 2016 · Tungurahua, a steep-sided andesitic-dacitic stratovolcano that towers more than 3 km above its northern base, is one of Ecuador's most active volcanoes. Three major edifices have been sequentially constructed since the mid-Pleistocene over a basement of metamorphic rocks.
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Map showing ravines and several inhabited areas around Tungurahua. Part of the network of stations that monitors seismic-acoustic activity is also shown. Deposits (noted in the key) were laid down in the August 2006 eruption.
Tungurahua is an active stratovolcano located in the Cordillera Oriental of Ecuador. The volcano gives its name to the province of Tungurahua. Volcanic activity restarted on August 19, 1999, and is ongoing as of 2023, with several eruptive episodes since then, the most recent lasting from February 26 to March 16, 2016. Map.
These data provide the first understanding of the respirable ash hazard near Tungurahua and the extent to which it varies spatially in a fallout deposit.
