View How Tall Was Mount Tambora Before It Erupted Images. Tambora was over 13,000 feet tall before the eruption. Before its eruption mount tambora was about 4,300 metres (14,000 feet) high.
Geologists have estimated that mount tambora erupted with a force of 7 on the volcanic explosivity index;
The eruption was the most powerful in recorded memory, 10 times more powerful than the more famous krakatoa, a hundred times stronger than mount st. The mount tambora eruption was a volcanic eruption that had a vei of 7. Before the 1815 eruption, there are three recorded eruptions dated using the radiocarbon method. It has been estimated that mount tambora stood approximately 12,000 feet tall before the 1815 eruption when the top third of the mountain was completely obliterated.