earthquake magnitude scale, Richter Scale, how earthquake magnitude works, big temblor, what is the biggest earthquake in the world, how they measure earthquakes, video, earthquake moment magnitude, livescience

We’ve all heard earthquakes described in terms of their magnitude number. But what does this scale really mean? This video illustrates the variation of energy released in easy-to-understand terms.

Credit: Nathan Becker, Pacific Tsunami Warning Center /

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