Question

....viotent movement of the rocks in the earth curst ​

Answer 1

Answer:

At the “seams” where tectonic plates come in contact, the crustal rocks may grind violently against each other, causing earthquakes and volcano eruptions. The relatively fast movement of the tectonic plates under California explains the frequent earthquakes that occur there.

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Answer 2

Answer:

An earthquake is a vibration , sometimes violent of the Earth's surface that follows a release of energy in the Earth's Crust .. The crust may first bend and then when the Strees exceeds the strength of the Rocks, break and snap to a new position.

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