Shallow focus earthquakes are more common and are less damaging as compare to deepfocus earthquake : True / False
Question
Shallow focus earthquakes are more common and are less damaging as compare to deepfocus earthquake : True / False
Solution
To determine if the statement "Shallow focus earthquakes are more common and are less damaging as compared to deep-focus earthquakes" is true or false, we need to break it down into two parts:
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Are shallow focus earthquakes more common? To answer this, we need to look at the frequency of shallow focus earthquakes compared to deep-focus earthquakes. We can consult scientific data and studies on earthquake occurrences to determine if shallow focus earthquakes occur more frequently than deep-focus earthquakes.
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Are shallow focus earthquakes less damaging? To answer this, we need to consider the impact and damage caused by shallow focus earthquakes compared to deep-focus earthquakes. We can analyze historical records, case studies, and scientific research to determine if shallow focus earthquakes generally result in less damage than deep-focus earthquakes.
By examining these two aspects, we can determine if the statement is true or false based on the available evidence and scientific consensus.
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While researching a topic, a student has taken thefollowing notes:• Earthquakes start at a point called a “focus” andspread out from there as seismic waves.• The two types of seismic waves that travel beneathEarth’s surface are primary waves (P waves) andsecondary waves (S waves).• P waves travel more quickly beneath Earth’ssurface than do S waves.• P waves compress and expand the ground, causingit to move backward and forward.• S waves cause the ground to move from sideto side.The student wants to emphasize a similarity betweenP waves and S waves. Which choice most effectivelyuses relevant information from the notes toaccomplish this goal?A) P waves and S waves both travel beneath Earth’ssurface, causing the ground to move.B) P waves travel away from an earthquake’sstarting point at a higher rate of speed than doS waves.C) Spreading out from the focus of an earthquake,P waves move the ground backward andforward.D) Although P waves and S waves start at the samepoint, they behave very differently.
True or false: The greater the magnitude of an earthquake, the greater the intensity
is shallow focus mostly found at destructive plate boundary associated with the collision of two oceanic crust
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