Earth/Environmental Science Geohazards and Precautions.

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Presentation transcript:

Earth/Environmental Science Geohazards and Precautions

What is a Geohazard any natural hazard that is caused by the Earth Landslides Earthquakes Tsunami Flooding

Landslides – Rapid downslope movement of Earth materials. – Caused by heavy rainfall, flood, earthquake, erosion, and human activities

Precautions Avoid building on steep, unstable slopes. Cover the slopes with metal netting. Build retaining wall at bottom of slope. Education

Earthquakes The sudden shaking of the Earth. Buildings should meet earthquake construction requirements. Have heavy items close to the ground. Precautions

Tsunami A giant wave caused by an underwater earthquake. Listen to news for a warning Move away from the shore and to higher ground Do not go to the beach even if you see water receding Precaution

Flooding Natural event when water flows over the banks of rivers. Recognize clues such as heavy rains, topography and flood history. Learn evacuation routes. Keep vehicle fueled since power failure may render service stations inoperable. Precautions