Class VIII

The magnitude of energy released by an earthquake is calculated using
  1. Temblor scale
  2. Richter scale
  3. Tectonic scale
  4. Seismic scale
In contrast, the intensity of earthquake cannot be measured by any
  1. Machine
  2. Instrument
  3. Scale
  4. Means
Earthquakes occur most frequently at
  1. Plate surface
  2. Plate boundaries
  3. Plate vacuum
  4. Ocean beds
If 'Almost everything destroys' and the ground ripples, the intensity level is
  1. 8
  2. 10
  3. 12
  4. 14
The vibrations radiate from the focus in all direction as
  1. Longitudinal waves
  2. Transverse waves
  3. Seismic waves
  4. Typanic waves
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