Locating Earthquakes Worksheet
This worksheet covers the principles and methods used to locate earthquakes, focusing on seismic waves and triangulation.
Includes
Standards
Topics
Locating Earthquakes
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which type of seismic wave arrives first at a seismograph station?
S-waves
P-waves
Surface waves
Love waves
2. What is the minimum number of seismograph stations required to locate an earthquake's epicenter?
One
Two
Three
Four
3. The difference in arrival times between P-waves and S-waves is used to determine the to the epicenter.
4. The process of using data from multiple seismograph stations to locate an earthquake is called .
5. Explain how seismologists use the S-P time interval to calculate the distance to an earthquake's epicenter. (Hint: Refer to a travel-time graph)
6. Observe the diagram below, which illustrates seismic wave propagation. Identify the P-wave and S-wave and describe their motion.
7. S-waves can travel through both solid and liquid layers of the Earth.
True
False
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