25+ How Long Has Mount Tambora Been Active Images. Mount tambora, or tomboro, is an active stratovolcano in the northern part of sumbawa, one of the lesser sunda islands of indonesia. The eruption of mount tambora killed thousands, plunged much of the world into a frightful chill and they have studied how debris from the volcano shrouded and chilled parts of the planet for many climate experts believe that tambora was partly responsible for the unseasonable chill that afflicted.
Sumbawa is flanked both to the north and south by oceanic crust, and tambora was formed by the active subduction zone beneath it.
Mount tambora, or tomboro, is an active stratovolcano in the northern part of sumbawa, one of the lesser sunda islands of indonesia. The world was a totally different place 195 years ago and records of this sort were not kept, and were not even possible to keep track of. Mount tambora is an active volcano located on the island of sumbawa in indonesia. The cloud of ash and sulfur dioxide caused the year without summer in 1816, a year so horses and draft animals were also the victims of the year without summer as they could not be fed in the great numbers that had been used.