Plate Movements and Earthquakes

The strength of an earthquake

Charles F. Richter

3.0-3.9

<p>5.0-5.9</p> Signup and view all the answers

<p>9.0 and above</p> Signup and view all the answers

<p>The movement of plates on the earth's crust is the main cause of earthquakes and volcanic eruptions.</p> Signup and view all the answers

<p>Earthquakes occur when crustal plates move, causing nearby rocks to break and slide past each other, releasing waves of energy through the Earth.</p> Signup and view all the answers

<p>The two main types of earthquakes are volcanic earthquakes and tectonic earthquakes.</p> Signup and view all the answers

<p>Volcanic earthquakes originate from volcanic activity, while tectonic earthquakes are caused by a sudden displacement of the Earth's crust along a fault.</p> Signup and view all the answers

<p>The strength of an earthquake is measured in terms of magnitude and intensity.</p> Signup and view all the answers