Earthquakes Intro

The first wave of an earthquake is . . . . 

• tsunami
• surface wave
• p wave
• s wave

A "seismograph" is a 

• reading of seismic waves
• a record of p waves
• results of an earthquake
• an instrument to read seismic waves

The most destructive wave of an earthquake is . . . .

• P wave
• Surface wave
• S wave
• Tsunami

Which place in the world has the most earthquakes?

• California
• Oklahoma
• Alaska
• Phillipines

What is a "seismogram"?

• lines representing earthquake movement
• The epicenter of an earthquake
• A "p wave" reading
• The focus of an earthquake

The epicenter of an earthquake shows up where?

• Below the surface of the earth.
• On the surface of the earth.
• Next to the P Wave.
• At the end of a Surface Wave

Which scale is used mostly to measure an earthquake?

• Richter Scale
• Mercalli Scale
• Moment Magnitude Scale
• All the above

The "focus" of an earthquake happens where?

• above ground
• at the end of a seismic wave
• below ground
• when all waves have stopped

A crack in the Earth's crust is known as a . . . . 

• boundary
• fault
• tsunami
• epicenter

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

• Atlantic
• Indian
• Artic
• Pacific