Big Earthquakes May Be More Likely During New and Full Moons

When the sun, moon and Earth are aligned, high tidal stress may increase the chances that an earthquake will grow bigger than it otherwise might have been.

Listen to the 60 Second-Science podcast at Scientific American.

The magnitude 8.8 earthquake that struck Chile in 2010 caused major damage in the Concepción, and occurred at a time of maximum tidal stress. (Credit: Claudio Núñez via Wikimedia)



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