Download Before And After Mount Tambora 1815 Pics. Just before sunset on april 5, 1815, a massive explosion shook the volcanic island of sumbawa in the indonesian archipelago. Tambora stood over 14,000 feet high in 1815, but when it blew its stack it hurled more than 4,000 feet off the top of it, leaving a crater more than four miles across and 2,000 feet deep.
After the event, its height decreased from 14,100
Now imagine what the skies must have looked like after the eruption of mount tambora. But in april 1815 it blew its top off in spectacular fashion. Mount tambora's 1815 eruption is the largest recorded. For two hours, a stream of lava erupted from mount tambora, the highest.