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According to the United States Geological Survey, there are around 17 major earthquakes measuring above 7.0 on the Richter scale – and one great earthquake measuring above 8.0 – each year. Here’s one in action


More videos According to the United States Geological Survey, there are around 17 major earthquakes measuring above 7.0 on the Richter scale – and one great earthquake measuring above 8.0 – each year. Here’s one in action

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