Which statements describe the mercalli scale? check all that apply. a) this scale measures seismic waves based on their size. b) this scale rates an earthquake according to how much damage it caused. c) this scale produces a single rating for earthquakes that reach the surface. d) this scale uses roman numerals to rank the damage cause by an earthquake. e) this scale measures the magnitude of an earthquake based on the size of seismic waves.

The answers that apply are; B and D

The Mercalli scale is the measure of the intensity of an earthquake  which should not be confused with magnitude that is measured by the Ritcher scale. The intensity is also relative; determined by the distance to the epicenter. The closer it is to the epicenter, the higher the Mercalli intensity and this is where destruction is felt most compared to the further the distance from the epicenter.

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