Question

1. Describe, in your own words, how you found the epicenter of the earthquake.
2. What would happen if we did not have three areas to compare? What if we only had one?
3. What two types of waves are used to determine the epicenter of eartquakes?
4. Which of the two types of waves arrives first?
5. Why is it important to know the epicenter of an earthquake?

Answer 1

Please help me answer these for my science class! I'll give medal I beg!

Answer 2

1. you need to have a seismogram from three seperate seismic stations and find the elapsed time between the p-wave and s-wave arrivals, then use a time-distance graph to find the distance to the epicenter from the seismic stations. all thats left is drawing the circles from the distance graph and pin pointing them to the middle which is the approximate epicenter.
2. you need at least 3 to get a good estimate of where the epicenter is.
3. p-waves and s-waves
4. primary waves (P-waves) travel in first, secondary waves (S-waves) come in second therefore "secondary" wave.
5. pretty sure that the epicenter is where the seismic waves break the surface of the earth

Answer 3

Ty!