How long after earthquake do aftershocks occur?

Related questions

1. Are aftershocks ever stronger?
2. What do earthquake swarms indicate?
3. Why are aftershocks more dangerous than the mainshock?
4. How far away can you feel a 7.0 earthquake?
5. How far can you feel an earthquake?
6. Can we hear earthquakes?
7. Does the ground split during an earthquake?
8. What would a 7.0 earthquake feel like?
9. What should we not do during earthquake?
10. Why are aftershocks more dangerous than mainshock?

Tags

1. #aftershock
2. #higher
3. #first
4. #tenth
5. #called
6. #quickly
7. #there
8. #earthquakes
9. #before
10. #earthquake
11. #after
12. #mainshock
13. #about
14. #aftershocks
15. #number