Food Real life mysteries you would like explained.

Now a 6.7 magnitude earthquake hit Anchorage. Details to come per the news.

Is 6.7 big? It seems substantial.

Thought that was some exponential scale, like 7 is 10x stronger than 6?
Or 6.7 is 10x stronger than 6.6?

I know 7 is bad and 8 is near ruin or thereabouts, depending.
 
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