...you work it out? b. If S waves travel at 5 km/s, how long do they take to travel 100km?
c. What is the time leg?
d. If the time leg is measured as 60 seconds at a certain seismic station, how far is it from the epicentre of the earthquake?
e. What is the smallest number of seismic stations measuring the time lag as in QuestionD that are needed to locate the position of the epicentre
c. What is the time leg?
d. If the time leg is measured as 60 seconds at a certain seismic station, how far is it from the epicentre of the earthquake?
e. What is the smallest number of seismic stations measuring the time lag as in QuestionD that are needed to locate the position of the epicentre