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Transcript of Volcano
Cinder Cone Volcanoes
-They form by two convergent boundaries colliding.
-They are tall, pointy, snow-capped, and explosive.
-Lava, ash, and rock erupt from a composite volcano.
-Mt.St.Helens, Washington and Mt.Fugi, Japan are examples of composite volcanoes.
Mount Paricutin in Mexico
shield volcano image
composite volcano image
cinder cone volcano image
Mauna Loa image
-They are formed by fissures and hot spots
-They are wide, flat-top, non-explosive, and they ooze lava.
-lava erupts from them
-Hawaiian Islands and Iceland are examples of shield volcanoes.
Mt.St. Helens in Skamania County, Washington
Cinder Cone Volcano
-forms by convergent boundaries, and it forms from one middle vent
-they are small, very explosive, one vent, thick magma, and gas shatters rock and blows out ciinders
-thick magma, cinders, and lava oozes from the bottom
-Eldfell, Iceland and Paracuntin, Mexico are examples of cinder cone volcanoes
Mauna Loa (island in Hawaii)
measures extremely subtle changes in a volcano’s slope
measures the increase of earthquakes in the process of the volcano erupting
Websites used cont'd:
mount paricutin image
they take pictures of the heat emitted by volcanoes
-erupted in Pompeii
-erupted on August 24, 79 AD
-it is a composite volcano
-over 10,000 people died
-it put ash on everything
-it killed all of the farm animals
-no one survived
Mt.Vesuvius Eruption (Pompeii)
-located in Skamania County, Washington
-erupted on May 18, 1980
-it is a composite volcano
-57 people died
The Toutle River was flooded by melting snow and ice from the mountain. About 12 million board feet of stockpiled lumber were swept in the river. Eight bridges were destroyed. 200 homes were destroyed or damaged.Thirty logging trucks, 22 transport vehicles, and 39 railcars were damaged or destroyed along with 4.7 billion board feet of timber.
go to this address for webcams of volcanoes around the world:http://bigthink.com/eruptions/all-the-volcano-webcams-of-the-world