Mount KrakatoaVolcanic island is located in the Sunda Strait, which is in between Sumatra and Java islands. Krakatoa has an elevation of 2,667 feet (813 m). This volcano is popular for its catastrophic eruption in 1883 that caused huge tsunamis, which ended up killing 36,000 people. Krakatoa grows at around 13 centimeters a week.