Published On: Tue, Mar 15th, 2011

March 19 'Supermoon' May Cause Moonquakes

On March 19, Earth’s satellite will be at its closest point to our planet in 18 years — a mere 356,577 kilometers away. The event — also called a lunar perigee — was dubbed a “supermoon” by astrologer Richard Nolle back in the 1970s. The term is used to describe a new or full moon at 90% or more of its closest orbit to Earth. Next week, it will be at 100%.

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