An occurrence over which people have little control, which poses a threat to people's lives and possessions. This is different from a natural event as volcanoes can erupt in unpopulated areas without being a hazard
Natural hazard
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The immediate effects of the eruption, caused directly by it
Primary effects
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The after-effects that occur as an indirect effect of the eruption on a longer timescale
Secondary effects
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Money, food, training and technology given by richer countries to poorer ones, either to help with an emergency or to encourage long-term development
Aid
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A sudden and often violent shift in the rocks forming the earth's crust, which is felt at the surface
Earthquake
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How people react as the disaster happens and in the immediate aftermath
Immediate responses
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Later reactions that occur in the weeks, months and years after the event
Long-term responses
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The opening-usually central and single-in a volcano, from which magma is emitted
Vent
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These secondary effects of a volcanic eruption are mudflows resulting from ash mixing with melting ice or water
Lahar
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Other cards in this set
Card 2
Front
The immediate effects of the eruption, caused directly by it
Back
Primary effects
Card 3
Front
The after-effects that occur as an indirect effect of the eruption on a longer timescale
Back
Card 4
Front
Money, food, training and technology given by richer countries to poorer ones, either to help with an emergency or to encourage long-term development
Back
Card 5
Front
A sudden and often violent shift in the rocks forming the earth's crust, which is felt at the surface
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