Cle Give a geographical reason for each of the following: (i) Most earthquakes occur on account of plate movements. (ii) Primary waves are the first earthquake waves to be recorded on a s (iii) Volcanic activity and earthquakes occur in the same belt.
Answers
Answer:
Most earthquakes occur on account of plate movements because when two plates slip past each other or collide against each other, their edges produce faults along the lines of weakness.
The P wave will be the first wiggle that is bigger than the background signals). Because P waves are the fastest seismic waves, they will usually be the first ones that your seismograph records. The next set of seismic waves on your seismogram will be the S waves.
Earthquakes occur when two tectonic plates collide against each other. The weaker plate tends to shift under the crust and melts into magma resulting into volcanic activity. This is the reason that volcanic activity and earthquakes occur in the same belt.
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Explanation:
3. because volcanic activity & earthquakes are both related to tectonic plates. any kind of movement or disturbance in tectonic plates causes Earthquake/ volcanic eruption. thus both occur on same belt