Earthquakes Test

In the lithosphere, earthquakes occur when stress _______.

• slowly builds up

• suddenly builds up

• is slowly released

• is suddenly released

Smaller earthquakes that occur in an area shortly after a large earthquake are called ____________.

• aftershocks

• tsunamis

• liquefaction

• landslides

A wave that is triggered by an earthquake is called a __________.

• aftershock

• landslide

• liquefaction

• tsunami

Sudden movements of rock along a fault cause______.

• tectonic plate boundaries

• seismic gaps

• earthquakes

• stress

When an earthquake occurs, the first seismic waves to reach a nearby city are _____________.

• primary waves

• secondary waves

• surface waves

• tsunami waves

The point on Earth's surface directly above the focus is the ______________.

• aftershock

• epicenter

• primary wave

• seismic station

The instrument that scientists use to record seismic waves is called a(n) _____________.

• seismograph

• seismogram

• seismic station

• epicenter

Which of the following can scientists usually predict?

• the exact minute an earthquake will occur

• the exact date an earthquake will occur

• the earthquake risk of an area

• the locations of future earthquakes

Secondary waves can travel through _________.

• lakes

• oceans

• air

• rocks

Which seismic waves cause the most ground movement to occur?

• P Waves

• S waves

• secondary waves

• surface waves