Infographic graph depicting the power and frequency of earthquakes. The horizontal width indicates the volume of earthquakes and the vertical height represents the magnitude. An earthquake's magnitude is measured from 1 to 10 (least powerful to most powerful) according to the Richter Scale. Over a million low powered earthquakes (rated 2 or below) occur each year. More powerful earthquakes are less common with an average of 18 at magnitude 7 and 3 at magnitude 8. Such earthquakes lead to destruction of buildings and loss of life. This image also highlights a few of the worst earthquakes in history. Data from the US Geological Survey. | |
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Credit: | Science Photo Library / VISUAL CAPITALIST |
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