Prehistoric activities (Sunda Volcano, formation of Sunda caldera +3000 yBP, formation of Tangkuban parahu volcano, 2000 yBP, unrecorded prehistoric activities of Tangkubanparahu); 1829, April 4-7, continuous ash eruption from Ratu and Domas; 1929, May 20, phreatic eruption from Ecoma; 1935, April 27, new fumarola exists north of Badak; 1946-1947, steam explosion; 1952, April 22, ash expl…