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
Kyle Hills Antarctica over 28 field seasons, 1969–2000, completing six seasons under New Zealand Antarctic Research Program auspices, 1969–76. He was principal investigator on numerous National Science Foundation research projects in 23 seasons of field work under United States Antarctic Program auspices, 1977–2000, with focus on long-term research of the volcano Mount Erebus, and was in charge of the Mount Erebus Volcano Observatory, 2000. Kyle Hills The Kyle Hills () are a prominent group of volcanic cones, hills, ridges, and peaks that occupy the eastern part of Ross Island, Antarctica, between Mount Terror and Cape Crozier. The hills extend east–west for ,