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On average, how often would you expect an earthquake of greater than Richter 8.0 and Mercalli XII to occur?
a. only once every few years b. 800 times a year c. once or twice a century d. 120 times a year
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- Anonymous1 decade agoFavorite Answer
(A) Once or twice every few years
Source(s): Geologist http://earthquake.usgs.gov/earthquakes/eqarchives/... - Anonymous1 decade ago
Hi given its a geological event it would be about any time NOW.
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