This is called shear stress. 3. Ask students what kind of plate motion results in compression in rocks, what kind produces tension in rocks, and what kind shears rocks. Students should use the ...

The Earth's plates jostle about in fits and starts that are punctuated with earthquakes and volcanic eruptions. 4 min read There are a few handfuls of major plates and dozens of smaller ...

These are both “strike-slip faults”, which means they accommodate some motion of plates moving past each other. While this area has many earthquakes every year caused by the ongoing motion of ...