The 1991 eruption of Pinatubo in the Philippines was the second largest of the 20th century (only losing to Novarupta in Alaska in 1912). It had a significant impact on global climate, dropping ...

Mount Pinatubo’s eruption on June 15 ... “Parang nandoon na siya [swarms] halos sa ilalim ng bulkan kasi umaakyat na yung magma,” Sevilla said. (The swarms seemed to be coming from below ...