Mount Tambora is located at Sumbawa Island, in the district of Dompu and Bima. It has been a popular tourism destination site. Well known because of its magnificent crater. In 1815, Mount Tambora exploded. The eruption was so big that it became the largest eruption that ever recorded in Human History. Bigger than Mount Saint Helen, Krakatoa, and Pinatubo. The explosion roars so loud that it was heard on Sumatera Island, more than 1,200 miles away. It cuts the height of the mountain by half. Left a crater with diameter of 7 km and circumference of 16 miles. The depth can reach 800 m. The explosion affects global weather condition. In India causing drought and flood. In Europe causing cold weather and continuous heavy rain. And causing “A Year Without Summer” in United States.