Earthquakes 101
A sudden shaking of the Earth produced by a rapid release of energy deep underground.
What is an earthquake?
Waves of energy caused by an earthquake.
What are seismic waves?
The location on the Earth's surface that lies directly above the actual source of an earthquake.
What is the epicenter?
The best material used to construct a building that is earthquake resistant.
What is steel?
Lay on your stomach and cover your head with your pillow.
What do you do if you're in your bed when an earthquake hits.
The study of earthquakes.
What is seismology?
The seismic waves that are the first to come out of an earthquake.
What are P-waves? (also called Primary waves)
The location of the actual source of an earthquake.
What is the focus (or hypocenter) of an earthquake?
The best ground on which to construct a building that is earthquake resistant.
What is bedrock?
Pull over and set the parking brake and stay put.
What do you do if you're in a car when an earthquake hits.
The instrument that records seismic vibrations.
What is the seismograph?
Surface waves that move side-to-side.
What are Love waves?
Cracks in the Earth's crust where earthquakes happen.
What is a fault?
The worst ground on which to construct a building that is earthquake resistant.
What is sand or loose sediment?
Drop, cover, and hold on.
What do you do if you're inside a building when an earthquake hits.
The paper record that the seismic vibrations are printed on.
What is a seismogram?
Surface waves that move side-to-side and up-and-down and cause the most damage.
What are Rayleigh waves?
A giant wave caused by a sudden release of energy on the ocean floor.
What is a tsunami?
When the ground acts like a liquid during an earthquake.
What is liquifaction?
Get away from falling objects and drop and cover.
What do you do if you're outside when an earthquake hits.