1001 Space Earth Earth Rocks and Minerals Landscape Sea Weather and Climate Natural Disasters Resources Nature History Human World Science and Technology

Choose a Page:Where are extinct volcanoes found?What makes an avalanche so deadly?What happens inside a volcano?What causes landslides?What causes an earthquake?Are some volcanoes more dangerous ...*What is a caldera?*How does wildfire spread?What is a waterspout?Can disasters be predicted?Where do volcanoes happen most?Is a typhoon the same thing as a h...Is a twister like a hurricane? What is a caldera? A caldera is formed when some or all of the magma drains away from the chamber below the cone of a dormant volcano, causing the cone to collapse. On the island of Thira, Greece, a huge caldera is all that remains of the volcano that erupted in 1500 B.C., wiping out all life on the island. An erupting volcano   Previous: Back Book: 1001 Section: Earth Chapter: Natural Disasters