Where is the Ring of Fire located?

• Atlantic Plate

• Pacific Plate

• Japanese Plate

• North American Plate

Where is the largest abundance of US Volcanoes located?

• Alaska

• Hawaii

• California

• Washington

How does water get into the magma of Ring of Fire volcanoes?

• There are springs and reservoirs under the volcanic magma.

• The water gets into the magma from melting glaciers.

• Seawater is carried with the subducting plate into the mantle.

• The magma is basaltic and has no water in it.

What geologic hazards are caused by Ring of Fire volcanic eruptions? (Select all that apply)

• Earthquakes

• Volcanic Eruptions

• Mudslides

• Tsunamis

How are megathrust earthquakes generated?

• Major volcanic eruptions causing massive displacement of earth.

• Triggered by subduction as the rocks slide past each other at convergent plate boundaries.

• Generated by the ripping of continental plate from oceanic plate.

• Kaiju rising from the rift of the Pacific Rim.

Using GPS they are tracking the movement of North America. Which way is it moving and how fast?

• 4 inches east per year

• 2 inches south per year

• 3 inches west per year

• 9 inches north per year

What s driving the movement of the tectonic plates?

• Gravity

• Tides caused by lunar activity

• Convection currents deep in the mantle

• A giant turtle

What percentage of Earth's volcanoes are found in the Ring of Fire?

• 10%

• 25%

• 50%

• 75%

Carbon-12 is a common component of living organisms. Where did the Carbon-12 found in the volcanic gasses come from?

• Phytoplankton from the seafloor sediment that has been carried down during subduction.

• Animals that live in and around volcanoes.

• Volcanic limestone melting.

• Molecular reactions causing the loss of electrons from Carbon-14.

The largest ever earthquake in North American history occurred when and where?

• New Madrid, Missouri, 1812

• San Francisco, California, 1989

• Los Angeles, California, 1994

• Prince William Sound, Alaska, 1964