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Q: How could you tell which of two observers was farther from an earthquake epicenter by comparing the arrivaltimes of p and s waves for the two locations?
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Is the greatest intensity of an earthquake always found in the epicenter?

No, the greatest intensity of an earthquake is not always found at the epicenter. The intensity of an earthquake can vary at different locations depending on the distance from the epicenter, the depth of the earthquake, and the local geological conditions. In some cases, the intensity may be greater at locations further away from the epicenter due to the way seismic waves propagate.


How can be determined the earthquake epicenter from seismic waves?

The simplified answer is that it works much in the same way you would determine the source of a sound (which is also in waves). Multiple measurements of the intensity are taken from different locations are used to triangulate an earthquake.


Can geologists use data from only two seismic stations to locate an earthquake's epicenter?

No, though they can narrow it down to two possible locations.


Can geologists use data from only two seismographs to locate an earthquake's epicenter?

No. Without a 3rd peice of data from another station, there will always be 2 different possible locations of the epicenter. You must have 3 seismographs to collect the data.


How can geologists tell where the epicenter of an earthquake is?

The epicenter refers to the point on the earth's surface above the focus of an earthquake. Geologists determine the epicenter with the use of 3 seismographs. This method is called triangulation.


How many seismographs do you need to find an epicenter?

You would need at least three different seismometer locations to triangulate an earthquake's location.


What will happen if there were only two seismic stations recorded waves from an earthquake?

Then you would end up with 2 possible locations for the epicenter. You need a 3rd station to confirm the actual location.


Why are circles used to determine epicenter locations?

hey


How do scientists locate the epicenter of an earthquake by s-p time method?

They first collect several seismogram tracings of the same earthquake from different locations. Then the seismograms are placed on a time distance graph. The seismogram tracing of the first p wave is lined up with the p wave time distance curve. The difference from each station from the earth quake can be found by reading the horizontal axis. After finding out the distance, a seismologist can locate an earthquake's epicenter.


Where is the epicenter of the New Madrid earthquake that happened in 1812?

The seismograph was not invented until the later part of the nineteenth century. So the magnitude and exact locations of the earthquake(s) that occurred on the New Madrid Fault (or Reelfoot Rift ) in 1811 and 1812 are not known. Evidence from "sand blows" indicate the epicenter of one of the larger ones that occurred on February 7 of 1812, was near the town of New Madrid, Mo.


Where is epicenter of an earthquake located?

it is directly above the focus


Can s-p time method be used with one seismograph station to locate the epicenter of an earthquake?

The first step in this method is to collect several seismograms of the same earthquake from different locations. Then, the seismograms are placed on a time-distance graph. The seismogram tracing of the first P wave is lined up with the P-wave time-distance curve, and the tracing of the first S wave is lined up with the S-wave curve.The distance of each station from the earthquake can be found by reading the horizontal axis. After finding out the distances, a seismologist can locate an earthquake's epicenter.-New Boyz