# Often asked: A Normal Fault Occurs When The Hanging Wall Moves ________ Relative To The Footwall.?

## What type of fault occurs when the hanging wall moves up relative to the footwall?

If the hanging wall moves up relative to the footwall, the fault is a reverse fault. Reverse faults are caused by compressional stress, or stress that pushes rocks together.

## What type of fault occurs when the hanging wall moves up relative to the footwall quizlet?

Terms in this set (11)

2) Reverse Fault– if the hanging wall moves up relative to the footwall, the fault is called a reverse fault.

## Where does a normal fault occur?

Normal faults are often found along divergent plate boundaries, such as under the ocean where new crust is forming. Long, deep valleys can also be the result of normal faulting.

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## When the footwall block moves up relative to the hanging wall block it is called a ___?

E.S. Chapter 11 Sections 1-4

Term Definition
tensional stress Normal faults are caused by _________ _____
reverse A _______ fault is a fault in which the hanging wall block moves up relative to a footwall block
thrust ______ faults are reverse faults with dips of less than 45°

## What is the difference between footwall and hanging wall?

The FOOT WALL BLOCK is the block which would be under the feet of a person standing in a tunnel on the fault plane. The HANGING WALL BLOCK would then be hanging overhead. The UPTHROWN SIDE of the fault is the side on which the movement has been up relative to the other side.

## What is the difference between reverse fault and normal fault?

In a reverse fault, the hanging wall displaces upward, while in a normal fault the hanging wall displaces downward. Distinguishing between these two fault types is important for determining the stress regime of the fault movement.

## When a fault is expressed at the surface it is called a quizlet?

When a fault is expressed at the surface, it is called a. fault scarp. The name of the site where slippage begins and earthquake waves radiate outward is called the. hypocenter.

## What type of fault does stress cause?

In terms of faulting, compressive stress produces reverse faults, tensional stress produces normal faults, and shear stress produces transform faults.

## What type of stress causes a strike-slip fault?

Fault: Strike-slip

In a strike-slip fault, the movement of blocks along a fault is horizontal. The fault motion of a strike-slip fault is caused by shearing forces. Other names: transcurrent fault, lateral fault, tear fault or wrench fault. Examples: San Andreas Fault, California; Anatolian Fault, Turkey.

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## What is an example of a normal fault?

A normal fault is a fault in which the hanging wall moves down relative to the footwall. An example of a normal fault is the infamous San Andreas Fault in California. The opposite is a reverse fault, in which the hanging wall moves up instead of down. A normal fault is a result of the earth’s crust spreading apart.

## What is an example of a reverse fault?

In a reverse fault, the block above the fault moves up relative to the block below the fault. This fault motion is caused by compressional forces and results in shortening. Other names: thrust fault, reverse-slip fault or compressional fault. Examples: Rocky Mountains, Himalayas.

## How can you identify a fault?

To correctly identify a fault, you must first figure out which block is the footwall and which is the hanging wall. Then you determine the relative motion between the hanging wall and footwall. Every fault tilted from the vertical has a hanging wall and footwall.

## What do you call the block that moves up relative to the other?

A fault is a fracture or zone of fractures between two blocks of rock. Faults allow the blocks to move relative to each other. This movement may occur rapidly, in the form of an earthquake – or may occur slowly, in the form of creep.

## What are the three common fault types?

There are three kinds of faults: strike-slip, normal and thrust (reverse) faults, said Nicholas van der Elst, a seismologist at Columbia University’s Lamont-Doherty Earth Observatory in Palisades, New York.

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## What happens when bending of rocks along fault becomes too much?

If a rock bends and stays bent after stress is released, it is said to undergo plastic behavior. A combination of elastic and brittle behavior causes earthquakes. Rocks get bent in an elastic fashion until they reach their limit, then they break in brittle fashion.