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CosmosUp | December 6, 2019

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Top 5 Captivating Facts About Earthquakes

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Sunquakes


Quakes are not exclusive to our planet. According to scientists, even the Sun experiences seismic waves similar to those produced by quakes on Earth. The phenomenon, which is referred to as a sunquake, was first observed on July 9, 1996, when a solar flare generated a quake that contained 40,000 times the energy released in the devastating 1906 San Francisco earthquake.

The sunquake, which was equivalent to 11.3-magnitude earthquake, produced waves that resembled water ripples as they spread. However, unlike water ripples that travel at a constant velocity, the waves from the sunquake accelerated from an initial speed of 35,000 kilometers per hour (22,000 mph) to a mind-melting 400,000 (250,000 mph) before fading into the background of the Sun’s photosphere. According to Dr. Craig Deforest, a researcher with NASA and ESA, the energy released was equal to covering the Earth with dynamite and detonating them all at once.


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