Which best describes how seismologists locate the epicenter of an earthquake?(1 point)
They calculate the difference in times between the arrival of different waves to determine the distance to the epicenter.
They identify where earthquakes have happened in the past because those locations are more likely to have seismic activity again.
They look for the areas with the most damage because those areas are closer to the epicenter.
They locate the nearest plate boundary because all earthquakes occur where plates meet.
1. pulling one end of a spring and releasing it
2. They calculate the difference in times between the arrival of different waves to determine the distance to the epicenter
3. Scientists dramatically increased the number of seismographs monitoring the volcano’s activity to warn people to evacuate the area.
4. Category 2
5. a tropical storm
6. a simulation
7. “moderate-to-heavy rain expected”
8. strong winds
9. careless actions with campfires
10. Vegetation becomes dry and can catch fire more easily.
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Seismologists studies seismograms from different recording stations to find out the epicenter of an earthquake. Seismologists use triangulation to find the epicenter of earthquakes. When seismic data is collected from at least three different locations, it is used to determine the epicenter by where it intersects.
The correct answer is:
They calculate the difference in times between the arrival of different waves to determine the distance to the epicenter.
To locate the epicenter of an earthquake, seismologists use a technique called triangulation. They analyze the arrival times of different seismic waves at multiple seismic stations. These waves include primary waves (P-waves) and secondary waves (S-waves).
Here's how seismologists use this technique:
1. When an earthquake occurs, it generates seismic waves that radiate outwards from its source.
2. Seismic stations at various locations record the arrival times of these waves.
3. The difference in arrival times of the P-waves and S-waves helps determine the distance of the seismic station from the epicenter.
4. By comparing the arrival times from at least three seismic stations, seismologists can then determine the location of the epicenter using triangulation.
Therefore, the correct answer is that seismologists calculate the difference in times between the arrival of different waves to determine the distance to the epicenter.