All About Shakin' and Quakin'

What is the name for the place beneath the surface of the Earth where an earthquake starts?

• Epicenter

• Focus

• Crust

• Inner Core

What is the name for the place on the surface of the Earth directly above the location where the earthquake started?

• Epicenter

• Focus

• Mantle

• Inner Core

Based on this image, what can we say about the location of the epicenter of the earthquake?

• It's in an ocean.

• It's on the land.

• It's on an island.

• It's somewhere on the semi-circle.

Based on the image, what can we say about the location of the epicenter of the earthquake?

• The epicenter is definitely in Mexico.

• The epicenter is definitely in the United States

• The epicenter is definitely in Canada

• The epicenter is in one of the two places where the two circles cross/intersect.

What can we say about the epicenter of the earthquake base on the image?

• The epicenter is in an ocean.

• The epicenter is on an island.

• The epicenter is in the United States.

• The epicenter is in Panama.

In order to pinpoint the epicenter of an earthquake, you need data from at least how many seismometer stations?

• One

• Two

• Three

• Four

How long does it take a P-Wave to travel 8,000 km?

• 11m 20s

• 12m 30s

• 1m 20s

• 5m 40sec

How long does it take an S-Wave to travel 8,000 km?

• 20m 0s

• 24m 40s

• 20m 40s

• 15m 70s

Which type of seismic wave travels the fastest?

• Slip Strike Wave

• Parachute Wave

• P-Wave

• S-Wave

Final Question: How far from the epicenter of an earthquake that has a difference in P-wave and S-wave arrival times of 5m 20s?

• 9,400 km

• 5,200 km

• 3,600 km

• 4000 km