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Seismic waves

Diagram of seismic waves radiating from the focus of earthquake

When an earthquake occurs shockwaves of energy, called seismic waves, are released from the earthquake focus. They shake the Earth and temporarily turn soft deposits, such as clay, into jelly (liquefaction).

Rights: The University of Waikato Te Whare Wānanga o Waikato
Published:21 July 2007Size: 97.25 KB