Earthquakes often precede volcano eruptions, sometimes only by hours and other times by several months. While most seismic activity related to volcanoes is not necessarily followed by an eruption, ...

Whangarei is a volcanic field on New Zealand's North Island, centred around the city of Whangarei. Its landscape includes scoria cones, a shield volcano, lava flows and older lava domes. Although some ...

Kanlaon, also spelled Canlaon, rises to 2,422 m as the highest point on Negros in the Philippines. This active stratovolcano has produced many recorded eruptions since 1866, usually steam-driven ...

Mount Moffett is an eroded stratovolcano rising above Adak in Alaska's Aleutian Islands. Glacial erosion has removed much of its original summit cone, which now contains an andesitic plug dome; five ...

Mélébingóy, previously known as Parker and also listed as Falen, overlooks Sarangani Bay near the southern end of Mindanao in the Philippines. Its heart-shaped summit lake lies within a 2.9-km-wide ...

Nushan is an ancient volcanic cone in China's Central East Asia Volcanic Province, at 33.12°N, 118.75°E. Also recorded as Nyushan, it has a broad, truncated profile and is assigned to the Pliocene ...

Grímsvötn is Iceland's most frequently active volcano, probably because it is located on the center of the active NE rift zone of Iceland. Most of the volcano is hidden beneath the giant glacier of ...

Colorado (Canada and USA (mainland)), 39.66°N / -107.04°W Dotsero is a small volcanic complex near the meeting of the Colorado and Eagle Rivers, west of Colorado's Gore Range. Its dominant feature is ...

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Ksudach in Kamchatka, Russia, is distinguished by a complex of five calderas cut into a broad stratovolcano. Three of those calderas formed during approximately the past 12,000 years. A major eruption ...

Sierra Negra is a broad, frequently active shield volcano at the southern end of Isabela Island in Ecuador's Galápagos archipelago. Its shallow caldera is the largest in the islands, and numerous ...

Ibu is a 1,357 m-high stratovolcano on the northwestern coast of Halmahera, Indonesia. Its summit contains nested craters and a lava dome built during repeated explosive and effusive activity. The ...