Exam 5: Earthquakes and Earths Interior

Use one of the following five terms to fill in the blanks for the questions below: Continental crust, Asthenosphere, Mantle, Lithosphere, Oceanic crust -The upper part of the _______has the approximate composition of peridotite.

Earthquakes with a very deep focus are usually located along ._______

Earthquakes along the San Andreas fault zone, for example, are repetitive-they reoccur in roughly the same regions over and over again-separated by decades or centuries because_______ .

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

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

_______averages 35 to 40 km in thickness.

The best building material to use in an earthquake prone region is_______ .

Aftershocks occur because_______ .

What is the major difference between the crust and the lithosphere?

The Richter magnitude of an earthquake is determined from the_______ .

The earth's major layers formed because _______.

Most earthquakes occur along _______plate boundaries.

The figure below shows the intensity of an Earthquake in northern California that affected much of the same areas that were damaged by the 1906 earthquake in a very similar manner. Based on this information,_______ .

Consider the below photograph. What does this illustrate about the nature of earthquake destruction?

Structural damage from seismic vibrations would be worse _______.

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

Examine the words and/or phrases below and determine the relationship among the majority of words/phrases. Choose the option that does not fit the pattern.

What type of earthquake wave causes the greatest damage?

In 1811 and 1812 three large earthquakes Magnitude 7.7, 7.5, 7.7. hit the New Madrid area near what is now St. Louis, Mo and Memphis, TN. If those cities had their current population and infrastructure when those earthquakes occurred, hundreds of thousands of people might have been killed or injured. Should that region have essentially the same types of building codes and rules that exist in California and Japan today despite the fact that there have not been any large earthquakes in the area since 1812 and it is not located near a plate boundary?

The Mercalli Scale is a scale from _______ .