For earthquakes, there is a lapsed time between the arrival of the
p-wave and the s-wave, because the waves travel at different speeds. The length
of this period of time determine the
distance to the epicenter.
Earthquakes create seismic waves. P waves are faster than S
waves. As the P and S waves move out from an earthquake, the P waves get ahead
of the S waves. The distance of a seismic station from an earthquake can be
determined from the time difference between the time of arrival of the first P
wave and the first S wave.
Well, this is surely not in the US. But the Garo, Khasi, and Jaintia Hills are all located in parts of Assam, India, and Meghalaya, India.
Democracy is the correct answer.
they all have democratic government but different ways of democracy.
