His clashes with Cable prove that Rictor is a rebel out to shake things up. And when he lashed out at mutant madmen or human hate-mongers with is vibratory powers, there's no room left for doubt.

noun

a logarithmic scale by which the magnitude of earthquakes is measured, having graded steps, with each step approximately ten times greater than the preceding step, and adjusted variously for different regions of the earth: the highest recorded earthquake was at point 8.9 on the scale [Richter, Burton 1913; U.S. physicist]