How To Compute The Distance Of The Epicenter From Each Of The Stations Using This Formula?, D=Td Over 8 Seconds Multiply 100 Km?
How to compute the distance of the epicenter from each of the stations using this formula?
d=td over 8 seconds multiply 100 km?
Here are the steps in finding the distance from the seismic station to the earthquake epicenter.
- Get data from the seismic station with regards to the seismic waves.
- Identify the time difference in the arrival of p-wave and s-wave. Let say in this example the time difference between the arrival of p and s- wave is 30 seconds.
- Base on the time difference (in seconds) in the arrival of p-wave and s-wave, we can use the formula
distance = TD (time difference) / 8 seconds × 100 km
Solution:
distance = (30 s / 8 s) × 100 km (cancel out unit second)
= 3. 75 × 100 km
= 375 km
This data means that if the time difference in the arrival of p-wave and s-wave is 30 seconds, the distance of the seismic station to the earthquake epicenter is 375 km.
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