Rapid Changes to Earth's Surface

Minutes, hours, days

Landslides

When an area has heavy rain and the ground is saturated and more rain happens GRAVITY pulls the soil down and erosion occurs, then the land is deposited in a new location sometimes blocking roadways
Landslides

Tsunami

Tsunamis are huge ocean waves that usually occur after an earthquake.

Tsunamis can cause massive flooding and destruction.

Japan Earthquake: Helicopter aerial view video of giant tsunami waves

Hurricane

Hurricanes can result in the erosion of beaches.

Look at the beach before and after the hurricane.

Big image

Earthquakes

Earthquakes are usually caused when rock underground suddenly breaks

along a fault. Earthquakes result in a sudden release of energy which causes the ground to

shake.

Earthquakes 101

Volcanoes

Volcanic eruptions occur only in certain places, usually along the edge of plates.

Volcanic eruptions result in the formation of new land including some islands in the ocean.

The new land is very fertile and rich in nutrients.

CSAV Hawaii: Archival Kilauea Volcano Eruption