Q: What is an earthquake?

<p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"><strong>An earthquake</strong> is defined as a sudden shaking of the earth that occurs due to the passage of seismic waves through the rocky plates located under the earth&#39;s surface when it moves. Seismic waves cause the Earth&#39;s surface to shake.</p>