Volcano Pompeii. Before its catastrophic eruption of 1991, Pinatubo was an inconspicuous volcano, unknown to most people in the surrounding areas. Two other examples are the long-dormant Soufrière Hills volcano on the island of Montserrat, thought to be extinct before activity resumed in 1995, and Fourpeaked Mountain in Alaska, which, before its September 2006 eruption, had not erupted since before 8000 BCE and had long been thought to be extinct. The three common popular classifications of volcanoes can be subjective and some volcanoes thought to have been extinct have erupted again. To help prevent people from falsely believing they are not
Davao City Ring of Fire, the city has suffered few earthquakes and most have been minor. Mount Apo, 40 kilometers southwest from the city proper, is a dormant volcano. The population of Davao City is according to the . Metro Davao, with the city as its center, had about 2.5 million inhabitants in 2015, making it the third-most-populous metropolitan area in the Philippines and the most-populous city in Mindanao. In 1995, the city's population reached 1,006,840 inhabitants, becoming the first city in Mindanao and the Visayas and the fourth nationwide to exceed one million inhabitants. The city's population increase during the 20th