How are S waves created?

Related questions

1. What does Pqrst wave mean for the heart?
2. What is a QRS wave ECG?
3. Why is Q wave negative in ECG?
4. What does an ECG cycle represent?
5. What the Pqrst waves represent on an ECG?
6. What does the P wave show on an ECG?
7. What happens at the P wave?
8. What happens during each wave of an ECG?
9. What are P waves heart?
10. What happens in the Pqrst waves?

Tags

1. #waves
2. #higher
3. #sudden
4. #within
5. #breaking
6. #arrive
7. #surface
8. #seismic
9. #explosion
10. #interior
11. #frequency
12. #through
13. #earth
14. #these
15. #before
16. #emitted
17. #earthquake
18. #energy
19. #traveling
20. #caused