BJU Earth Science - Ch. 6

Angle B in the diagram is called the fault's ___.

Most major faults in the USA are found in ___.

I need to be able to explain the process of locating an earthquake's epicenter.

We can reduce or even eliminate a ___, but cannot change a ___.

One quake measures 6.0 on the Richter scale another 7.0. How does the 2nd quake's energy compare with that of the 1st?

I must write an absolutely STUNNING essay on ONE of these topics. (Choose all for Quiz!)

Some earthquakes occur along faults that are not tectonic boundaries.

The Modified Mercalli Intensity scale (MMI) rates earthquakes on ___, not magnitude.

Which earthquake magnitude scale do geologists use to report to the public?

The type of stress that is most significant in causing earthquakes is ___.

The very heavy mass or weight of standard seismometers and seismographs readily moves as earthquake waves pass by.

Match: a type of surface wave

Match: the fastest body wave

Seismologists need data from at least three seismic stations to pinpoint an earthquake's ___.

Match: a transform fault

Secondary, smaller earthquakes that result from a major earthquake are called ___.

Seismic waves travel ___.

Some types of seismic waves are unable to travel through the earth's core.

Match: the point on Earth's surface above the center of earthquake activity.

Which of the following statements is true?

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

An instrument that simply detects earth waves is a ___.

Angle A in the diagram is called the fault's ___.

Why is it inaccurate to call a tsunami a tidal wave?

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

Which of the following can cause earthquakes?

Subduction would most likely be occuring at a ___ boundary.

Match: the indicators of the energy released by an earthquake

Most earthquakes are too gentle for people to feel.

Which one of the following terms does NOT belong with the rest?

A crack in a rock where movement has occurred is called a(n) ___.

Match: a body wave that cannot travel through Earth's core

Fire is a significant earthquake hazard in heavily populated areas.

Rayleigh waves and Love waves are both examples of ___.

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

Which of the following is NOT related to locating an earthquake?

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

An instrument that both detects and records earth waves is a ___.

Match: the center of earthquake activity

Name and describe the movement of tectonic plates at each of the three types of bouondaries described in the chapter.

Angle C in the diagram is called the fault's ___.

The Richter scale goes from 1-10.

The horizontal direction of a fault is its ___.

A ___ is a source of danger, while a ___ is a possiblity of injury or death to people and damage to property.

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

Earthquakes are most common ___.

The property or properties of a material that allow(s) it to change shape without breaking under stress is (are) ___.

Which of the following is an example of tension?