Question

Which scale has 12 levels of intensity? which scale is most useful for earthquakes of all sizes and distances? which scale is good for small nearby earthquakes but not as useful for larger or distant ones? which scale takes into account the movement of rocks along fault lines? which scale rates earthquakes based on the amount of damage they cause?.

Answer 1

The Mercalli Intensity Scale has twelve levels of intensity. The Richter scale is most useful for earthquakes of all sizes and distances. The magnitude scale is good for small, nearby earthquakes because it doesn't have any upper limit. The magnitude scale takes into account the movement of rocks along fault lines. The Richter scale rates the earthquakes based on the amount of disruption they cause. 

Charles F. Richter created the Richter scale in 1934, which became the first commonly used technique. It made use of a formula based on the distance between the earthquake and the seismometer and the amplitude of the greatest wave recorded on a particular kind of seismometer. It measures earthquakes ranging in magnitude from one to ten. 

Giuseppe Mercalli created the Mercalli intensity scale in 1902. In contrast to seismic magnitude scales, which measure the earthquake's inherent energy or intensity, it evaluates the impacts of an earthquake at a specific site. It has 12 levels of intensity. 

Learn more about scales used to measure earthquakes at

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