Scientists find likely cause for recent southeast U.S. earthquakes, pieces of the mantle there periodically break off, thinning it out and making it more prone to slipping that causes earthquakes. Study authors conclude this process is ongoing and likely to produce more earthquakes in the future.

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Scientists find likely cause for recent southeast U.S. earthquakes, pieces of the mantle there periodically break off, thinning it out and making it more prone to slipping that causes earthquakes. Study authors conclude this process is ongoing and likely to produce more earthquakes in the future.