Earthquakes

1. tsunami

1.1. Tohoku, Japan 2011

1.1.1. Fukishima nuclear disaster

1.1.2. 18,000 people died

1.1.3. Caused by earthquake 9.0 MMS

1.2. economic

1.2.1. $300 billion damage

1.2.2. 1.5 million without water

1.2.3. 3million without electricity

1.2.4. 4000 roads destroyed

1.2.5. 25 million tonnes of debris

1.2.6. 750,000 homes destroyed

1.3. Human cost

1.3.1. 18,000 people died

1.3.2. 330,000 living in temporary homes

1.3.3. 590,000 evacuated

1.3.4. 3000 missing

1.4. Scientific facts

1.4.1. Wave travelled at 805 km/h

1.4.2. Earthquake occurred 24km below crust

1.4.3. Wave thrust 9m high

1.4.4. Waves up to 40m height

1.4.5. 92% of deaths caused by drowning

2. Caused by Tectonic forces

3. Primary event

3.1. buildings destroyed

3.2. ground shakes

3.3. ground cracks

4. Secondary event

4.1. ground liquefies

4.2. fires

4.3. floods

4.4. buildings collapse

5. measured by magnitude MMS

6. previously measured on Richter scale