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What is the fewer number of seismographic stations that must record the arrival time of waves in order for the epicenter of an earthquake to be located?
3
What types of waves are the first waves to reach seismograph stations?
P-waves are the first seismic waves to arrive at a seismograph station.
Can cameras record the infrared waves from people and animals?
yes
Why are P-waves called P-waves?
They are given this name in seismology because they are the fastest travelling of the seismic body waves released by an earthquake. Because they are the fastest, they are detected by seismometer stations first. Hence P for primary wave.
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.
What is the fewer number of seismographic stations that must record the arrival time of waves in order for the epicenter of an earthquake to be located?
3
What is the fewest number of seismographic stations that record the arrival time of P and S waves in order to for the epicenter of an earthquake to be located?
3
What is the fewest number of seismograph stations that must record the arrival time of P and S waves in order for the epicenter of an earthquake to be located?
Three
What industrial applications have longitudinal waves?
Industries that have longitudinal waves are cell phones, radio stations, television stations, and other industries that use sound waves.
What is the fewest number of seismographic stations that must record the arrival time of P and S waves in order for the epicenter of an earthquake to be located?
3
Do p waves or s waves have higher velocity?
P waves have a higher velocity than S waves. This is known because P waves (Primary waves) arrive at recording stations faster than all other waves. S waves (Secondary waves) arrive second at recording stations.
Longitudinal waves are called primary waves because they?
Reach recording stations first.
What types of waves are the first waves to reach seismograph stations?
P-waves are the first seismic waves to arrive at a seismograph station.
Seismographs?
this is where the seismic waves recorded; measures vertical earth motion
What produces a record of seismic waves?
seismogram-
What is the record of seismic waves called?
Semogram
What kind of radio waves are used by television stations to carry pictures?
It was AM, but now its digital.
