Geography- Earthquakes

Earthquake causes and responses- Indian ocean earthquake..

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Indian Earthquake

File fact- Occured on the 26th December- Boxing day 2004. It was an under water earthquake that struck around 14 countries. It killed more than 230,000 people. Scientificly, it is known as the Sumatra-Andaman earthquake. Caused a tsunami that had waves that reached 30 metres/ 100 feet. The magnitude was around 9.2 on the richetor scale. It was the third highest ever to be measured on a siesmograph. The earthquake was the longest to vibrate at the fault lasting for nearly 10 minutes. It caused the entire planet to vibrate 1 centimetre! The world wide communtiy donated $14 billion in aid.

Causes- The focus was between the Indian and Burma plate. 1,600km of tectonic plate slipped, above the convection currents that originaly moved the plates.

Responses- Countries around the world sent aid and created charites, sending in supplies and help. Earthquake warning systems were put in place and signs telling people how to react and behave. People were trained in how to take action when one occured. A few buildings became earthquake resistant, having a particular structure. Satellites also focused in on this particular area and its tectonic activity.

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