Because it is a subjective scale that measures earthquake severity based on damage on man-made structures, it is possible to obtain for the same earthquake in the modified mercalli scale

It is possible to obtain differently intensity values at different locations for the same earthquake in the modified Mercalli scale because it is a subjective scale that measures earthquake severity based on damage to man-made structures.
Using the modified Mercalli scale, the quakes are described quantitively based on the qualitive information.

Here is a picture  of the net. its 4 squares in a row diagonal and on the third draw one square aove and under