Earth quake may hit North India

India, Bhutan, Nepal and  Myanmar impose a greater threat of high intensity earthquakes. at a risk of high intensity earthquakes, ranging 8.2 magnitude on the Richter Scale, Union Home Ministry's disaster management experts. The impact of the possible earthquake will stretch to Uttar Pradesh, Bihar and Delhi. They are calculated by geophysicists, known asseismologists. Scientists have seismographs set up all over the world so that they can monitor movement of Earth's crust. They are calculated by geophysicists, known as seismologists. The waves are recorded by a seismometer, hydrophone for water and accelerometer. They fall under the seismic Zone IV classification.- Seismic waves are said to alter speed and intensity at the boundaries between layers below the earth's surface.- Seismic waves due to earthquakes are of three types - Primary waves, Secondary waves and Surface waves.

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