Pyroclastic flow

After an eruption, the magma reservoir of a volcano may be partially emptied. Some volcanoes collapse into this chamber, forming a large depression on the surface called a caldera. To access a...

A volcano forms when magma moves through the crust and erupts onto the surface of the Earth. Magma that flows onto the Earth's surface is called lava. Layers of cooled lava harden into rock...

NARRATOR: A freak cosmic collision... a fatal shock to the Earth's interior... triggers all of the world's volcanoes to erupt. MAN: This is a Class 1 Volcanic Zone. In a week, you will...

Early Edition 18:00 (THIS IS THE TRANSCRIPT FOR ARIRANG NEWS THAT AIRED ON 19 Aug 2013- 18:00 KST.) Title: Headlines On tonight's Early Edition at Six. Reunion for separated families is...

welcome back to week two and video four we are going to move forwarding into the major volcanic hazards that are associated with volcanic activity um... Now a great website to visit is this...

the spectacular lava flows from hawaii school level can i wear one of the aisle islands biggest tourist attractions in the past week the lava has twice 'cause across the main highway for cinco...

A volcano is a conduit that puts in direct communication the top and bottom of the solid crust of the earth. Through this conduit, magma and gases rising in episodes called eruptions. These eruptions...

Bonnin: WHAT IF WE TOLD YOU THAT THIS VOLCANO COULD DRAMATICALLY AFFECT OUR MODERN WAY OF LIFE, OBLITERATING CITIES, WIPING OUT THE WORLD'S FOOD SUPPLY, AND RETURNING US TO THE DARK AGES?...

Mount Vesuvius with the railway in the foreground by TravelPod member kamyp Pompeii and Mount Vesuvius in the backgound by TravelPod member tinsels_travels Mount Vesuvius is peeking out from behind by...

Hundreds displaced by rains in southwestern China. As of Thursday, July 14, more than 630 people in the southwestern province of Sichuan had been evacuated as 70 homes collapsed due to floods and...