Deadliest volcanic eruption: The 1815 eruption of Mount Tambora in Indonesia, which killed up to 100,000 people From lava fountains to towering ash clouds, volcanoes produce some of the most dramatic ...

Lava is molten rock from a volcano that reaches the Earth’s surface. Liquid rock below the Earth’s surface is referred to as magma. More than 50% of the world’s active volcanoes above sea level ...

Heather Handley receives funding from the Australian Research Council. She is affiliated with WOMEESA. This is an article from Curious Kids, a series for children. The Conversation is asking kids to ...

Add Yahoo as a preferred source to see more of our stories on Google. Volcanoes are Earth’s special effects department, constantly proving that reality can be more dramatic than Hollywood. Lava flows ...

Klyuchevskaya Volcano on Russia's Kamchatka Peninsula is the largest active volcano in the Northern Hemisphere. A caldera is the circular depression in the center of a volcano's summit that forms ...

Lava is molten rock from a volcano that reaches the Earth’s surface. Liquid rock below the Earth’s surface is referred to as magma. More than 50% of the world’s active volcanoes above sea level ...

The southernmost active volcano on the planet is Antarctica's Mount Erebus. It is also home to Earth's only long-lived lava lakes. "Lahar" is an Indonesian word that refers to a type of volcanic flow: ...

Here’s a look at volcanoes, mountains that open downward to a reservoir of molten rock. More than 80% of the Earth’s surface, both above and below sea level, is of volcanic origin. Lava is molten rock ...