1.___crust and the uppermost part of the mantle (Layers of the Earth) 2. ___plate boundary that plates slide past one another (plate boundaries) 3.___layer.

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Presentation transcript:

1.___crust and the uppermost part of the mantle (Layers of the Earth) 2. ___plate boundary that plates slide past one another (plate boundaries) 3.___layer of the Earth that is made of liquid iron and nickel (layers of the Earth)

1. What is a tsunami? 2. What causes a tsunami? 3. How does a tsunami occur? 4. Where do most tsunamis occur?

1. What is a tsunami? Tsunami-waves that form when a large volume of ocean water is suddenly moved up or down.

2. What causes tsunamis? Causes of a tsunami underwater earthquakes. Landslides volcanic eruptions. large meteorite impact in the ocean.

What causes tsunamis?

4. Where do most tsunamis occur? Most tsunamis occur in the Pacific Ocean because of the greater number of earthquakes in the region – Ring of Fire.