Why Does Strike-Slip Fault Occur?

The cause of strike-slip fault earthquakes is due to the movement of the two plates against one another and the release of built up strain. As the larger plates are pushed or pulled in different directions they build up strain against the adjacent plate until it finally fails.

What force causes a strike-slip fault to form?

The fault motion of a strike-slip fault is caused by shearing forces. If the block on the far side of the fault moves to the left, as shown in this animation, the fault is called left-lateral.

What causes a fault to slip?

As the stress builds, strong rock or a locked fault (a fault where the two sides are held together by friction) deform elastically. Eventually, the stress overcomes the rock's strength or the fault's friction, and either the rock fractures or the fault slips.

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.