Imagine a heavy book resting on a table. If you try to gently push the book across the table with the tip of your finger, it ...

The inset of the left figure demonstrates the foliated shear zone that causes ... causing an earthquake. Researchers have long thought that this force is the central driver of earthquakes.

Imagine a heavy book resting on a table. If you try to gently push the book across the table with the tip of your finger, it may first appear to ...