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Among the abilities of man there is also that of inducing earthquakes. Oklahoma has been subjected to hundreds of tremors, even of magnitude greater than 4, alongside oil wells for years. A link with a geothermal plant was demonstrated from a 5.4 earthquake in South Korea. And a 5.1 in 2013 in China was attributed to the Three Gorges Dam: the lake with its weight fractured the rocks below.
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