What causes an aftershock?

Related questions

1. What was the deadliest earthquake?
2. Are aftershocks ever stronger?
3. How far can a 9.0 earthquake be felt?
4. Can we hear earthquakes?
5. How far away can you feel a 7.0 earthquake?
6. What do earthquake swarms indicate?
7. How strong is a 9.0 earthquake?
8. How far can an earthquake be felt?
9. Can a person feel an earthquake before it happens?
10. How much stronger is a magnitude 7 earthquake than a magnitude 5 earthquake?

Tags

1. #stress
2. #these
3. #caused
4. #further
5. #aftershocks
6. #words
7. #mainly
8. #added
9. #induce
10. #often
11. #changes
12. #earthquakes
13. #encompasses
14. #other
15. #tremors
16. #earthquake
17. #initial
18. #rupture
19. #smaller
20. #cloud
21. #crust