What is a Mercalli scale ? ( must be in your own words)

The Mercalli intensity scale refers to a seismic intensity scale used for determining the earthquake intensity. It determines the influences of an earthquake. It is different from the moment magnitude, which is generally reported for an earthquake that is a determination of the energy discharged.

Explanation:

this scale rates an earthquake according to how much damage it causes, and this scale uses Roman numerals to rank the damage caused by an earthquake.

a twelve-point scale for expressing the local intensity of an earthquake, starting from I virtually imperceptible to XII (total destruction.

a time line cause it goes from 685 to 978