On July 19, 1874, an eruption of gases and ashes from the volcano killed all the livestock on the island of Luzon. From November 12–15, 1878, ashes ejected by the volcano covered the entire island. Another eruption took place in 1904, which created a new outlet in the southeastern wall of the principal crater. , the last eruption from the main crater was in 1911, which obliterated the crater floor creating the present lake. In 1965, a huge explosion sliced off a huge part of the island, moving activity to a new eruption center, Mount Tabaro.