Earth Has Its Faults

Miguel Hidalgo School Mrs. Lee

A Fault

A crack between two blocks of rock.

The Movements

Earthquakes Creeps

When the movements

happen quicklyWhen the movements

happen slowly

How Long Can A Fault Be?

A few millimeters Thousands of kilometers

What Forms The Fault?

Stress within the earth’s crust

Hanging Wall v.s. Foot Wall

Hanging Wall Foot Wall

Above the fault Below the fault

Which one is the hanging wall?

Did you notice that the hanging wall is always in

the direction of the dip of the fault plane?

The Fault Plane

The fault plane is the area where the movement occurs.

Different Types Of Faults

Faults

Normal Faults Reverse Fault Strike-Slip Fault

Fault Scarp

San Andreas Fault (A Strike-Slip Fault)

Blind Thrust Fault

Breathtaking Landscapes

Normal Faults Reverse Faults Strike-Slip Faults