Earth and the Environment

How many earthquakes are there per year?

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On average about 1,000 earthquakes with intensities of 5.0 or greater are recorded each year. Great earthquakes (intensity 8.0 or higher) occur once a year, major earthquakes (intensity 7.0-7.9) occur 18 times a year, strong earthquakes (intensity 6.0-6.9) 10 times a month, and moderate earthquakes (intensity 5.0-5.9) more than twice a day.

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