8. NATURAL HAZARDS EARTHQUAKES: Are shaking of the Earth’s crust as a result of the movement of tectonic plates. Most are light tremors Violent earthquakes cause great damage Underwater earthquakes create tidal waves, called tsunamis. These cause disasters in coastal areas. -
VOLCANIC ERUPTIONS: Change relief, raising mountains and islands. Violent eruptions cause great damage.
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HURRICANES: Are very strong winds accompanied by torrential rain. In some parts of the world they are called cyclones and typhoons.
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FLOODING: May occur afer torrential rain. Rivers and lakes overflow and flood the surrounding land.
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DROUGHTS: They occur when there has been no rain for a long time. There may be a shortage of water for agriculture and human consumption.