Location of Eruption
The location of the United States' most deadly volcanic eruption
What is Mount St. Helens?
The general term for what is ejected from volcanoes
What is pyroclastic material?
Thick lava
What is viscous lava?
Volcanic lava flows create this which is good for agriculture
What is fertile soil?
Major warning sign of a nearby volcanic eruption
The volcano that erupted destroying the city of Pompeii
What is Mt. Vesuvius?
The icy/snowy ash melt from a volcano
What is lahar?
More pressure builds up due to the slopes of this type of volcano
What are steep slopes?
Volcanoes also create minerals such as these
What are gold, silver, or diamonds?
These will be given off in the days before a volcanic eruption (causing wildlife and plants to die)
What are poisonous gases?
The Aleutian Islands in Alaska form at this zone
What is subduction zone?
Poisonous gases ejected from volcanoes
What are carbon dioxide/monoxide and sulfur dioxide?
Shield volcanoes, like in the Hawaiian Islands, have this shape
What are gentle or flat slopes?
Volcanoes create this form of renewable energy
What is geothermal power?
The Juan de Fuca and Pacific plates meet at this boundary
What is convergent boundary?
Fine particles of rock ejected from volcanoes
What is tephra?
Volcanoes form at convergent and divergent boundaries but also in these areas in the middle of plates
What are hotspots?