Exam 10: A Violent Pulse: Earthquakes

Earthquake waves that pass through the interior of Earth are termed ____________.

Movement on a fault may occur without generating earthquakes.

Earthquakes are likely to occur along ____________.

Which earthquake severity scale measures the amplitude of deflection of a seismograph pen,standardized to an idealized distance of 100 km between epicenter and seismograph?

Sandy substrate is susceptible to ____________ during an earthquake.

If,during an earthquake,a footwall slides upward relative to a hanging wall,the fault is termed ____________.

How can damage and injury be minimized in areas prone to seismic activity?

A primary force opposing motion on all faults is ____________.

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

Vertical motion seismographs record earthquakes through the production of a squiggly diagram called a ____________.

Long-term prediction of earthquake behavior ____________.

The point on Earth's surface directly above the point where an earthquake occurs is termed the ____________.

Aftershocks following a major earthquake ____________.

Which earthquake intensity scale assesses the effects of an earthquake on humans and human-made structures?

On December 26,2004,a magnitude 9 earthquake generated a tsunami that devastated coastlines on the ____________.

The intersection between a fault plane and the ground surface is called the ____________.

An earthquake occurs with an epicenter in the town of New Madrid,Missouri,in the interior of the North American Plate.Where might the hypocenter of this earthquake plausibly be found?

Which of these areas of the United States would you expect to have the highest occurance of seismic activity?

Which earthquake severity scale varies from locality to locality for a single earthquake?

Medium- and deep-focus earthquakes occur along ____________.