A slideshow of images shows how people in Indonesia have been affected by the recent eruption of a volcano.

Exhibit shows records of volcanic eruptions of Hallasan Mountain in Jeju Island, South Korea.

This lesson will provide models or diagrams that explain how volcanic eruptions occur, and discuss their impact on living things. It is 2 of 5 in the series titled "Volcanoes."

Maps and great graphics of Krakatau. Learn about the size and formation of Krakatau. Find out the last time Krakatau erupted. Also, links to recent photos.

See a three-sixty view of the post-eruption elevation of Mount Saint Helens.

Labeled diagram of a volcano during an eruption.

The volcanic eruption on March 21, 2010, that grounded flights in the UK and Europe, was not the first. In 1783, the Laki eruption wiped out a fifth of the island's population as well as tens of thousands across Europe. This article...

This amazing photo shows a volcanic eruption as seen from space. A giant plume of smoke bellows out from the ice capped volcanic crater.

Over the past four centuries volcanos have killed over a quarter of a million people. Nine historic volcanos are briefly described in a slideshow with descriptions of each.

There is now a worldwide effort to try to determine what causes volcanoes to erupt. This informative site provides information regarding what scientists are doing to gain a better understanding of volcanic eruptions.

This diagram helps explain the processes involved when a volcano erupts, injecting aerosols and gases high into the air and up in to the stratosphere. The chemicals inside the ash can create acid rain and lead to ozone destruction.

Kilaueu erupted in 1790 and is still among the most active volcanoes today. Great graphics of the volcano. Excellent history information about previous eruptions.

Kilaueu erupted in 1790 and is still among the most active volcanoes today. Great graphics of the volcano. Excellent history information about previous eruptions.

Kilaueu erupted in 1790 and is still among the most active volcanoes today. Great graphics of the volcano. Excellent history information about previous eruptions.

Kilaueu erupted in 1790 and is still among the most active volcanoes today. Great graphics of the volcano. Excellent history information about previous eruptions.

Kilaueu erupted in 1790 and is still among the most active volcanoes today. Great graphics of the volcano. Excellent history information about previous eruptions.

Clearly labeled diagram of a volcanic eruption, with a focus on the hazardous effects of landslides, pyroclastic flows, lava flows, eruption clouds, acid rain, tephra, and lahars.

Surtsey, a volcanic island approximately 32 km from the south coast of Iceland, is a new island formed by volcanic eruptions that took place from 1963 to 1967. It is all the more outstanding for having been protected since its birth,...

This site gives a comprehensive look at volcanoes. It begins with a basic overview, and then goes in-depth. The site includes an expert's section, words to know, witness accounts, experiments, and how to prepare for a volcanic eruption...

Smoke bellows from a volcano crater as an eruption takes place. This kind of volcanic activity can be quite common on active volcanoes around the world.