What causes a flood? | Natural Disasters

In this video we examine some of the most common causes of flooding. A flood occurs when a river overflows its banks, but there are many contributing factors that make them more likely. Get the latest... Read more »

What causes an earthquake? | Natural Disasters

In this video, we take a look at the movement of the earth’s tectonic plates and how the release of extreme pressure built up at the plates’ boundaries results in an earthquake.... Read more »
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What causes a tsunami? | Natural Disasters

We examine how a tsunami is formed in this video.Earthquakes, rockfalls, volcanic eruptions and even meteorites impacting the ocean can trigger a tsunami. While this mass of displaced water is often harmless in the... Read more »

What causes an avalanche? | Natural Disasters

In this video we examine how an avalanche is triggered, resulting in a dramatic collapse of snow from the mountainside. There are three main elements that make them more likely to occur; the gradient of... Read more »

What causes a hurricane? | Natural Disasters

In this video we examine how a hurricane is formed. Also known as a typhoon or cyclone, a hurricane is created when rising warm water vapour forms a cloud with low pressure beneath, causing... Read more »

What causes a volcanic eruption? | Natural Disasters

In this video we look at how the continuous movement of Earth’s tectonic plates results in volcanic activity. In a volcanic eruption, super-heated magma from within the earth’s upper mantle works its way... Read more »

What causes a landslide? | Natural Disasters

In this video we examine the many causes of landslides. These mass movements of earth occur when gravity overcomes the frictional forces keeping layers of rock in place on a slope, resulting in... Read more »