A 3.0 magnitude earthquake hit Boston…” but what does that really mean??? - Christine Regalla
ファイル:Moment Magnitude.gif - Wikipedia
モーメント・マグニチュード - Wikipedia
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
Serie von 12 Erdbeben in Peru, Puerto Rico, Chile, Mexiko und Dominikanische Republik » latinapress Nachrichten