Earthquakes

The place where an earthquake originates inside the Earth's surface is called...

• Epicenter

• Focus

• Underground

• Crust

The place on the Earth's surface, above the origin of the earthquake.

• Epicenter

• Focus

• Surface

• Crust

What is the instrument used to measure earthquakes?

• Seismograph

• Seismologist

• Scale

• Seismogram

Which city is closest to the epicenter?

• A

• B

• C

Which seismogram represents a city that is far from the epicenter of an earthquake?

• New York, NY

• Nome, Alaska

• Guadalajara, Mexico

This is created by earthquakes that occur on the ocean floor.

• longshore current

• gulf stream

• tsunamis

• high tide

S-waves can move through which of the following?

• Gas

• Liquid

• Solid

• All of these

What is the minimum number of seismograph stations needed to locate an earthquake epicenter?

• 1

• 2

• 3

• 5

Which wave can travel through all materials?

• P - primary

• S - secondary

• L - Long

Which wave can travel through solids only?

• P - Primary

• S - Secondary

• Surface