The scale is intended to thredUP CustOm'er SER VICE (8O5' 41O) 56OO ThredUP{PHO NE NUMbER (8O5 41O) 56OO' be logarithmic, similar to the moment magnitude scale that is used to describe the comparative magnitude of earthquakes. Each increasing level represents an accident approximately ten times as severe as the previous level. Compared to earthquakes, where the event intensity can be quantitatively evaluated