MOUNT PINATUBO ERUPTION IN 1991 Mount Pinatubo is an active stratovolcano in the Zambales Mountains, located on the tripoint boundary of the Philippine provinces of Zambales, Tarlac and Pampanga, all in Central Luzon on the northern island of Luzon. Its eruptive history was unknown to most before the pre-eruption volcanic activities of 1991, just before June. Pinatubo was heavily eroded, inconspicuous and obscured from view. It was covered with dense forests which supported a population of sever

Mount Pinatubo is an active stratovolcano in the Zambales Mountains of the Philippines. It is notorious for its June 1991 eruption, the second-largest terrestrial eruption of the 20th century. Effects were felt worldwide, and surrounding areas were heavily damaged by pyroclastic surges — fluidised masses of turbulent gas and rock fragments ejected during the eruption. | Daily Overview