Exam 10: A Violent Pulse: Earthquakes

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

Body waves include ________.

Earthquake waves that pass through Earth's interior are termed ________.

Faults that have moved recently or are likely to move in the future are referred to as ________ faults.

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

A tsunami is ________.

Most earthquakes are a result of ________.

Earthquakes that occur in a band called the ________ can be used to track the motion of subducted oceanic lithosphere.

Faulting and earthquakes are examples of ________ and generally occur when rocks are relatively ________.

During an earthquake,if a hanging wall slides upward relative to a footwall,the fault is termed a ________ fault if the fault is shallow (much closer to horizontal than vertical).Refer to the figure below for an example of such a feature.

Wet and unconsolidated substrates are uniquely susceptible to ________ during an earthquake.

Which geological setting would you NOT expect to produce a large amount seismic activity?

Which of the following is NOT true concerning the long-term forecasting of earthquakes? Long-term forecasting ________.

If an earthquake's magnitude is measured based on the Richter scale,how is this abbreviated?

Which of the following is NOT true about tsunamis?

If a fault is nearly vertical in orientation and the two walls of rock on opposite sides slide past one another horizontally,the fault is termed a ________ fault.Refer to the figure below for an example of such a feature.

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 ________.

Why do subduction zones have the potential to create the largest earthquakes on Earth?

As shown in the figure below,a coiled spring would be useful in illustrating any ________ wave.

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