A mass movement event wherein low viscosity, fluidized ash flows rapidly down a volcanic mountainside is referred to as a(n) __________.

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

The point at the surface of the Earth where the greatest and most immediate energy associated with an earthquake is felt, is termed the ___________.

Match the terms below (about mass movements called “flows”) with their characteristics.

This diagram illustrates a(n) ________, which is also known as a(n) ________.

The “capacity” of a stream describes how much “load” it is capable of conveying.

Briefly compare and contrast the Richter magnitude scale versus the Mercalli intensity scale.What do each record? How are they similar, and how are they different? What is the significance of each to the description of earthquake events? (3 pts each, 6 pts total)

These homes were built in southern CA on a steep hillside. What has apparently happened to the “angle of repose” here?  

This image shows a(n) _______ that took place near Oso, Washington, in March 2014.

The best general term for the downslope movement of Earthly materials due to the work of gravity is _______.