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2021-06-17

What does the hanging wall do in a reverse fault?

What does the hanging wall do in a reverse fault?

Hanging wall and footwall These terms are important for distinguishing different dip-slip fault types: reverse faults and normal faults. In a reverse fault, the hanging wall displaces upward, while in a normal fault the hanging wall displaces downward.

Does the hanging wall block move up or down along a reverse fault?

In a reverse fault, the hanging wall block moves up relative to the footwall block. The oldest, sedimentary rock strata are exposed along the axial parts of deeply eroded anticlines. Along oblique-slip faults, both blocks have horizontal and vertical components of movement.

Which type of fault is characterized by the hanging wall going up?

Compressional faults

What is the movement of a reverse fault?

How does a reverse fault move? 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. A reverse fault is called a thrust fault if the dip of the fault plane is small.

What does a normal fault look like?

Normal faults create space. These faults may look like large trenches or small cracks in the Earth’s surface. The fault scarp may be visible in these faults as the hanging wall slips below the footwall. In a flat area, a normal fault looks like a step or offset rock (the fault scarp).

What are the similarities of active and inactive faults?

Active faults are structure along which we expect displacement to occur. By definition, since a shallow earthquake is a process that produces displacement across a fault, all shallow earthquakes occur on active faults. Inactive faults are structures that we can identify, but which do no have earthquakes.

Can we rest assure that an earthquake Cannot occur in an inactive fault?

Answer Expert Verified. Inactive fault have records that these fault will not have or produce earthquake compared to the active fault. But, we cannot just say that an inactive fault cannot produce Earthquake forever.

When a fault suddenly moves What is generated?

The movement of faults can generate earthquake, or the sudden shaking of the ground. Earthquakes has two types, namely: volcanic earthquake. tectonic earthquake.

What is fault reactivation?

Fault reactivation was triggered by injecting fluids through a borehole directly connected to the fault. Our results show that the peak fluid pressure at the borehole leading to reactivation increases with injection rate.