Video Report: Indonesia’s Anak Krakatau volcano in Sunda Strait, straddling East Java and Sumatra, has spewed ash and flaming rocks. Krakatoa erupted and blew apart in 1883 sending tsunamis as high as 151ft crashing into local islands and some which rocked boats as far away as Africa. Global temperatures dropped by 1.2 degrees C. until Sulphur in the atmosphere had precipitated.