SOLVED: A formula for calculating the magnitude of an earthquake is M = Zlog(Eo), which uses the common (base 10) logarithm. This is called the Moment Magnitude Scale (MMS), an alternative to
Moment Magnitude Explained—What Happened to the Richter Scale? - YouTube
PPT - Erdbeben, Erdbebenstärke und Opferzahlen PowerPoint Presentation - ID:2721713