Earthquakes

Front

What is the shaking of the Earth’s crust caused by a release of energy?

Back

Earthquake

Front

What is the measure of the amount of energy released in an earthquake?

Back

Magnitude

Front

What are the second waves to arrive that cause earthquakes?

Back

S waves

Front

True or False: Earthquakes happen every day, and most are too small for humans to notice.

Back

True

Front

Most earthquakes happen along the _________________.

Back

faults

Front

What is the point on the Earth's surface directly above where an earthquake originates?

Back

Epicenter

Front

What instrument is used to detect and record the intensity of earthquakes?

Back

Seismogram

Front

What are the primary waves that travel fastest during an earthquake?

Back

P waves

Front

What is the term for the boundary where two tectonic plates meet?

Back

Fault line

Front

What scale is commonly used to measure the magnitude of earthquakes?

Back

Richter scale