Earthquakes-General Facts

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An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. Earthquakes are recorded with a seismometer, also known as a seismograph.

When a large earthquake epicenter is located offshore, the seabed sometimes suffers sufficient displacement to cause a tsunami.
Tectonic earthquakes will occur anywhere within the earth where there is sufficient stored elastic strain energy to drive fracture propagation along a
fault plane.
In the case of
transform or convergent type


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