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 ...

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 ...

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 ...

Italy's Mount Etna lays claim to several titles. It is: The world's most active "stratovolcano" Europe's largest and most active volcano One of the best-monitored volcanoes in the world One of the ...

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 ...