Exam 8: A Violent Pulse: Earthquakes

According to the moment magnitude scale (Mw),a magnitude 8 earthquake would be 1,000 times greater than a magnitude ________ earthquake.

Where is the best place to be in an earthquake?

Earthquakes can often produce ________ by breaking gas lines.

According to the image below,where was the epicenter of the earthquake?

According to the image below,which seismic wave phase is likely to cause the most damage?

The Mercalli intensity scale tends to be very subjective and thus is generally only used for historical earthquakes that were near people but were not recorded by seismometers.Why might the Mercalli scale be subjective?

Why is an empty field the safest place to be in an earthquake?

Generally,which type of earthquake waves travel with the slowest velocity?

On December 26,2004,a magnitude 9.3 earthquake generated a tsunami that devastated coastlines on the ________ Ocean.

The larger the ________ of the wave,the more severe the damage will be.

Making better ________ is the best way to try to prevent earthquake damage.

Why is an early warning system NOT considered a short-term earthquake prediction tool?

A tsunami is ________.

Vertical motion seismographs record earthquakes by producing a squiggly diagram called a ________.

Periods of intermittent sliding on a fault because of stress release during episodes of slip,followed by stress buildup to the point that the fault is reactivated,is termed ________.