article: Volcanic eruption
links: Mount St. Helens Galeras Stromboli Earth Kilauea Lava Volcanology Eyjafjallajökull Krakatoa Richter scale 1980 eruption of Mount St. Helens Supervolcano Nevado del Ruiz Volcano Volcanism Mount Tambora Plinian eruption Lake Toba Smithsonian Institution Toba catastrophe theory Volcanic Explosivity Index