Why are aftershocks more dangerous than the mainshock?

Related questions

1. Do aftershocks get stronger?
2. How far can you feel an earthquake?
3. How many strong earthquakes happen every year?
4. Can we hear earthquakes?
5. How much stronger is a magnitude 7 earthquake than a magnitude 5 earthquake?
6. Why are aftershocks more dangerous than mainshock?
7. What should people do after an earthquake?
8. How many aftershocks are in Anchorage today?
9. Why are aftershocks so dangerous?
10. Does the ground split during an earthquake?

Tags

1. #unpredictable
2. #magnitude
3. #because
4. #aftershocks
5. #large
6. #dangerous
7. #damaged
8. #shock
9. #usually
10. #buildings
11. #collapse