BJU Earth Science - Ch. 6

Most major faults in the USA are found in ___.

Which of the following statements is true?

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

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

Match: a type of surface wave

The Richter scale goes from 1-10.

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

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

Most earthquakes are too gentle for people to feel.

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

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 ___.

Match: the center of earthquake activity

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

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

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

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

Earthquakes are most common ___.

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

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

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

Match: the indicators of the energy released by an earthquake

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

Which of the following is an example of tension?

Subduction would most likely be occuring at a ___ boundary.

Seismic waves travel ___.

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

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

Which of the following can cause earthquakes?

Rayleigh waves and Love waves are both examples of ___.

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

Fire is a significant earthquake hazard in heavily populated areas.

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

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

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

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

An instrument that simply detects earth waves is a ___.

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

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

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?

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

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

Match: the fastest body wave

The horizontal direction of a fault is its ___.

Match: a transform fault

Some earthquakes occur along faults that are not tectonic boundaries.

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

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