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7 Cards in this Set
- Front
- Back
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Sumatra Tsunami
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9.1
3rd largest 15m offset waves 10m above sea levels |
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Chilean Tsunami
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2000 people killed in Chile
5700 along Pacific (including Hilo and Japan) 9.5 waves move both ways |
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Causes of Tsunami
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-earthquakes
-volcanic flank collapse -volcanic eruptions -landslides -submarine landslides |
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What is subsidence?
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Relatively slow movement or land, typically at rates of cm/year
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What is collapse?
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Rapid movement of land, ranging from cm/hr to m/s of material disappearing almost instantenously.
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Which factors of climate affect karst?
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Rainfall
Temperature Vegetation Soil Type |
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What causes subsidence?
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Settling of the ground in response to:
-evacuation of ground water -extraction of oil -drying of peat -sinkhole formation -collapse of underground mines |
