Exam 8: Earthquakes and Earths Interior

During the earliest history of the earth,________ .

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern. -crust biosphere core mantle

What is the value of long range earthquake prediction?

The epicenter of an earthquake is on the surface of the Earth directly above the focus.

The velocity of seismic waves generally increases with depth in the earth.

Turnagain Heights,was badly damaged by a landslide during the 1964 Alaskan earthquake.

The Richter earthquake magnitude scale is based on the energy released by the earthquake.

Which one of the following statements is correct?

________ is the rigid,cool outer approximately 100 km of the earth.

The ________ is the site of initial rupturing associated with an earthquake.

focus seismograph epicenter fault

Major earthquakes are often followed by somewhat smaller events known as ________.

Overall,this type of seismic wave is the most destructive.

Which of the following is not a way that seismic waves travel in the earth?

Structural damage from seismic vibrations would be worse ________.

A few days before a major earthquake in China,one village in the area reported the streets were filled with migrating toads that might have indicated the impending event.

During the Alaskan earthquake of 1964,the buildings that survived the best were made of wood.

Modified Mercalli energy Richter amplitude

Modern seismographs rely on ________ to record the ground motion from an earthquake.

________ averages roughly 7 km thick.