Krakatau volcano in Indonesia has been raised to level 3 alert (out of maximum 4), after an increase in volcanic earthquakes and gas emission. Over the past 3 days, there have been 20 tremors per hour, compared to a background level of 5 per hour. People have been advised to avoid the area.
Krakatau (Krakatoa) Volcano lies in Sunda Strait between Sumatra and Java Islands. It belongs to Lampung Province. Krakatau Volcanic Complex consists of Rakata, Sertung, Panjang and Anak Krakatau Islands. Anak Krakatau is the currently active centre at the volcano and emerged from the sea in 1930.
Krakatau became famous after the paroxysmal eruption on August 27, 1883. The volcano erupted more than 18 cubic km of ash to a height of 80 km, and produced a tsunami as high as 30 m along the west coast of Banten and south coast of Lampung. The tsunami hit 295 villages and killed over 36,000 people.
More on Krakatau volcano...