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Lab Report Format for Earthquake Epicenter Lab

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on 19 March 2015

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Transcript of Lab Report Format for Earthquake Epicenter Lab

Conclusion:
If you are unsuccessful at locating the epicenter, describe how you modified your work to come to the correct answers. Record the information in your lab report.

In the first try, I wasn't able to get the correct answers. I had to use my math skill and calculate the distance very carefully. Finally, I got the answer that I was looking for.
Reflection Questions:
Why are earthquakes monitored worldwide instead of in earthquake-prone areas only?

Earthquakes are monitored worldwide because we never know when they will occur, they can happen everywhere in the word even in the areas that are far away from the tectonic plates boundaries.

How many seismographs are needed to find the epicenter of an earthquake? Why is this number significant?
In the lab I used 3 seismographs, but I think the more, the better it is. it is important because we can measure how far away the earthquake was.


Introduction:

Your task will be to locate the epicenter for the earthquake using the arrival time of P-waves and S-waves from several seismic stations. Upon completion of the virtual lab, you will write a laboratory report of your results.

Problem:

How can we use seismic waves to determine the epicenter of an earthquake?


Earthquake Epicenter Lab
By Margarita Ramirez
What is the relationship between P- and S-waves?
Both are waves. P and S waves can travel through the interior of earth.

How did the study of earthquake waves lead to a greater understanding of the interior structure of Earth?
Scientists are able to know about Earth’s internal structure because of seismic waves. For example, we know that Earth’s outer core is liquid because s-waves cannot pass through it.

Not all earthquakes are felt by people; however, such earthquakes are often detected on seismographs. Why?
Because it occurs deep in the Earth and we are no able to feel it but the seismographs do.
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