Earth Science 6

Angle A is the fault's

Most earthquakes are too gentle for people to feel.

Which of these statements is true?

Scientists now have the technology to predict earthquakes and warn people days in advance

The Richter scale goes from 1 to 10.

Some earthquakes occur along faults that are not tectonic plate boundaries.

Which of these is an example involving the stress force known as tension?

One quake measures 6.0 and another is a 7.0 on the Richter scale. How does the 2nd quake’s intensity compare w/ the 1st?

The center of earthquake activity

At least _ seismic stations are needed to pinpoint an earthquake's epicenter.

What is the major difference between a fault and a joint?

An ocean wave caused by an earthquake is called a(n)

Angle B is the fault's _ angle.

All types of rock, when under strain, respond in the same way.

Water and certain types of minerals can act as natural lubricants which prevent a fault from becoming locked

Most major faults in the United States are found in

Which of the following does not belong with the other three?

The type of stress that is most significant in causing earthquakes is __ stress

This is a crack in a rock where movement has occurred.

A transform fault

Which one of these terms does not belong with the rest?

The energy of an earthquake

A boundary where plates are coming toward each other

The point of Earth’s surface above center of earthquake activity

Architects have designed buildings that can withstand an earthquake with a magnitude of 8.0

Rayleigh waves and Love waves are both examples of

Secondary, smaller earthquakes that result form a major earthquake are called

Certain types of seismic waves travel

Subduction would most likely be occurring at a _______ boundary.

A boundary where plates are moving apart

Modern seismologists believe that faults and earthquakes are caused by tectonic forces

C points to the __ line.

This is a series of low-frequency shock waves traveling through the earth.

A body wave that cannot travel through Earth’s core

A boundary where plates slide past each other in opposite directions

A special geologist who studies the earth’s movement and the structure of its interior would be called a(n)

Theoretically, a very intense earthquake could be felt by every person on the earth.

Which of these can cause earthquakes?

The fastest body wave

Used to express an earthquake’s magnitude

The last waves to reach distant seismographs are the S waves.

What is the name of the longest strike-slip fault in southern California?