How can humans cause earthquakes?

Related questions

1. What is earthquake and its effects?
2. Are all earthquakes naturally occurring?
3. What was the last earthquake in New York?
4. What is the deadliest natural disaster in history?
5. Should you go under bed during an earthquake?
6. Can a small earthquake result in a disaster?
7. Was there an earthquake in Buffalo today?
8. What are the strongest earthquakes recorded?
9. Is Long Island a county?
10. What was the most damaging earthquake in history?

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