Historic Volcanic Events
Published on Dec 01, 2015
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PRESENTATION OUTLINE
SANTA MARIA
- The symmetrical, tree-covered volcano is part of a chain of stratovolcanoes
- that rises along Guatemala's Pacific coastal plain.
- Since its last blast, it has experianced continuous activity, a VEI3,
- Which occurred in 1922. In 1929, it spewed forth a a pyroclastic flow which claimed the lives of 5,000 people.
- After sitting roughly 500 years without erupting, it let out a huge explosian.
NOVARUPTA
- Novarupta was part of the chain of volcanoes in the Pacific Ring of Fire.
- It was also the largest volcanic blast of the 20th century.
- The powerful eruption sent 3 cubic miles of magma and ash into the air,
- which fell to cover an area of 3,000 square miles in ash more than
- a foot deep.
MOUNT PINATUBO
- the cataclysmic eruption of Pinatubo was a classic explosive eruption.
- The eruption ejected more than 1 cubic mile of material into
- the air and created a column of ash that rose up 22 miles in the atmosphere.
- The blast also spewed millions of tons of sulfur dioxide and other
- particles into the air, which were spread around the world by air.
AIR POLLUTANTS
- This volcanic eruption just as many release
- Magma, ash, and sulfur dioxide.
- Ash can, if thick enough, can decrease the temperature.
