The Andes of South America formed as a result of the Nazca plate subducting beneath the South American plate. This is an example of ________ collision.

The "Ring of Fire" is a volcanic island arc extending from the southwestern Pacific through Indonesia. The island arc formed as a result of ________ collision.

The Himalayas formed as a result of the ongoing collision of the Indian and Eurasian plates. This is an example of ________ collision.

An earthquake is best described as

Under pressure, rocks can bend and deform, and then spring back to their initial shape after pressure is released. This is known as

The subsurface area where the motion of seismic waves is initiated along the fault plane is called the

The area at the surface directly above the subsurface location where seismic waves are initiated is termed the

An instrument used to record vibrations in the crust is the

The ________ scale would use Roman numerals to qualitatively describe an earthquake based actual effects experienced at the exact time and location of the quake.

The process whereby ground shaking disrupts and loosens the structure of the soil causing it flow is known as

Within the United States, which area has the highest earthquake hazards?

An active volcano is defined as one that

Which of the following is not a location in which volcanoes typically occur?

Molten rock that pours forth on Earth's surface is called

Small conical-shaped hills with truncated tops that formed during moderately explosive volcanic eruptions are known as

Large, basin-shaped depressions that form when summit materials on a volcanic mountain collapse inward after an eruption or loss of magma are known as

A gently sloping mountain landform built from effusive eruption is known as a

Explosive eruptions tend to build up

Which of the following most accurately describes the current status of volcano forecasting?