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Earthquakes
Question | Answer |
---|---|
How does an earthquake happen | Stuck, plates are stuck Strain, build up tension Snap, the plate snap and tension is released |
How to measure earthquakes | Seismologist Seismograph Richter or moment magnitude scale |
Name an case study | Nepal earthquake 25 April 2015 7.8 on moment magnitude Kathmandu |
Social impact | 9000 killed 17000 injured Electricity, sewage water cut off 90% of clinics and schools were unusable |
Economic impact | 9 billion dollars damage 1 million children with no school 3.7 million people in need of emergency care |
How to reduce earthquake damage | Predicting, planning, earthquake safe buildings , emergency drills |