How can the location and the strength of an earthquake be ...

[Awilson837]

How can the location and the strength of an earthquake be determined?
 
  What will be an ideal response?

Question 2

Earth's internal layers were discovered by studying the propagation of P- and S- waves through Earth's interior. In comparison to P-waves, the movement of S-waves are
 
  A) faster and compresses and expands the rock as they move through it.
  B) faster and vibrates rock particles up and down and side-to-side.
  C) slower and can travel through solid granite, magma, water or air.
  D) slower and they can only travel through solids, not liquids.

[jaymee143]

Answer to Question 1

Answer: The location and strength of an earthquake can be determined by comparing the different types and arrival times of seismic waves recorded on a seismograph. Better accuracy is achieved when several seismograph stations are used.

Answer to Question 2

Answer: D

[Awilson837]

Excellent

[aliotak]

Gracias!