Volcanoes

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Where are the most active volcanoes located? what is this area commonly known as?
The most active volcanoes are located through the Mediterranean area along the edge of the Pacific Ocean - the Pacific Ring of Fire
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what types of volcanoes are there
Active, Dormant and Extinct
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Describe the Mount St Helen Eruption
Erupted on 18th May 1980 at 08:32 in Washington State, West Coast of USA
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What caused the Mount St Helen Eruption
It lies closer to a destructive plate boundary where the smaller Juan de Fuca plate is being forced under the North American Plate
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What impacts on the landscape did the Mount St Helen Eruption have
All plant and animal life living within 25km radius were killed, including full grown trees by blast and pyroclastic flow.
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What impact on the people did the Mount St Helen Eruption have
61 people died and 198 people had to be rescued. Mudflows destroyed roads, bridges and houses. Ash clouds resulted in flights being cancelled.
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How could scientists have predicted the Mount St Helen Eruption
Measuring the size of the volcanic cone to show the build of magma in the vent. An increase in water temperatures and loss of animal life could indicate an eruption.
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Describe short term aid of Mount St Helen Eruption
Rescue centres were set up which helped shelter those who had lost their home. Ash was cleared up which took 10 weeks and cost £1 million. Electricity was restored to the area. 200,000 people were temporarily employed to clean up minor damage.
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Describe long term aid of Mount St Helen Eruption
US Government gave $145 million to rebuild houses, repair roads and construct a new highway for locals. Millions of trees were replanted which restores the oxygen that the trees provide to area.
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Describe the effectiveness of aid from the Mount St Helen Eruption
The money given by the federal government allowed quick recovery. Tourism is more popular than ever. Trees will not grow back until 2059 meaning normal levels of wildlife won't be back to normal until then either.
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How effective are prediction methods for volcanic eruptions?
Scientists can't give precise dates of any eruptions. Scientists didn't predict that Mount St Helen Eruption blasts would occur to the north face which resulted in people being killed outside the exclusion zone.
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Other cards in this set

Card 2

Front

what types of volcanoes are there

Back

Active, Dormant and Extinct

Card 3

Front

Describe the Mount St Helen Eruption

Back

Preview of the front of card 3

Card 4

Front

What caused the Mount St Helen Eruption

Back

Preview of the front of card 4

Card 5

Front

What impacts on the landscape did the Mount St Helen Eruption have

Back

Preview of the front of card 5
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