Session 2 - Earthquakes

Multiple Choice

When the earth's crust bends, how do you call the upfold or rising fold that forms?

• syncline

• anticline

• fault

• stress

Multiple Choice

What type of stress is commonly related to divergent plate boundaries?

• compressional

• shear

• tensional

Multiple Choice

When one tectonic plate results to diving beneath another, what fault is likely to result?

• normal

• reverse

• left-lateral

• right-lateral

Multiple Choice

Transform fault which have resulted to two tectonic plates sliding past another is also known as?

• strike-slip fault

• oblique-slip fault

• dip-slip fault

• reverse fault

Multiple Choice

A fault which has resulted to an earthquake lately is considered as what type of fault in terms of activity?

• active

• inactive

• passive

• known

Session 2 - Earthquakes

Quiz Discussion

Multiple Select

Which of the following are types of earthquakes?

• tectonic

• seismic

• tsunami

• volcanic

Multiple Choice

_______________is a measure of the “size,” or amplitude, of the seismic waves generated by an earthquake source and recorded by seismographs.

• magnitude

• intensity

• shaking

• collapse

Multiple Choice

How do faults cause earthquakes?

• Faults are forces on earth where earthquakes will release tons of seismic energy.

• Earthquakes and faults are not really connected.

• Earthquakes occur on faults.

• Earthquakes are dormant on faults and will only be active when fault is also active.

Multiple Choice

How does an earthquake cause a tsunami?

• When the ocean floor at a plate boundary rises or falls suddenly, it displaces the water above it and launches the rolling waves that becomes a tsunami.

• Tsunamis are created when the energy from earthquake is released in a form of ocean waves.

• Tsunamis are generated when the water moves because of the seismic waves.

• When faults move, water is absorbed and that causes tsunami.

Multiple Choice

What type of wave can pass through solid only?

• P waves

• S waves

• P and S waves

• None

Fill in the Blanks

is the most destructive wave.

Love Waves

• An L-wave creates rolling waves that cause even greater destruction since movement is very erratic and two-dimensional.

• It creates a lot of stress and strain on beam structures and therefore a greater chance for buildings to fail.

• It comes after the P and S-waves.

• The building then should have been evacuated before the L-wave came.

Multiple Choice

What is an epicenter?

• Point where seismic waves meet.

• Point where earthquake is generated.

• Point directly above the focus.

• The origin point of waves.