What is the point on the Earth's surface directly above the earthquake's origin called?

• Epicenter

• Focus

• Fault scarp

• Seismogram

Which type of fault is NOT mentioned in the passage?

• Normal fault

• Reverse fault

• Strike-slip fault

• Thrust fault

What is the primary tool used by seismologists to record the vibrations caused by earthquakes?

• Seismograph

• Seismogram

• Epicenter

• P-wave detector

Which type of seismic wave is the fastest and can travel through both solid and liquid layers?

• P-waves

• S-waves

• Surface waves

• Aftershocks

What are smaller earthquakes that occur after the main seismic event called?

• Aftershocks

• Foreshocks

• P-waves

• S-waves