Earthquakes/Volcanoes

Which ocean in the world is also known as the "Ring of Fire"

• Atlantic
• Indian
• Arctic
• Pacific

The Richter scale measures:

• the amount of radon gas released
• the movement of plates
• the strength of an earthquake
• the weight of tectonic plates

An instrument that detects and measures earthquakes is a 

• seismogram
• focus seismic map
• focus
• seismograph 

At what location does the first motion of an earthquake occur

• the focus
• the seismic gap
• the mantle
• the epicenter

The outside layer of the earth is called ______________________.

• core
• crust
• mantle
• outer core

What does the arrows point to?

• Triangulation
• Seismograph
• Seismic waves
• epicenter

Many earthquakes happen along the borders of...

• Countries
• Tectonic Plates
• Climate Zones
• None of the above.

Two plates become stuck, pressure builds, and seismic waves are eventually released

• Tsunami
• Faults
• Earthquake
• Magnitude

The severity of an earthquake is measured in ____.

• Seismogram
• Seismograph
• Secondary wave
• Magnitude

Famous fault in California

• Denali Fault
• New Madrid Fault
• San Andreas Fault
• Cascadia Fault