Seismic waves and tsunami flashcard

Front

What is a seismograph?

Back

A recording of earthquake waves.

Front

What are seismic waves?

Back

Energy radiated in all directions from the focus due to an earthquake.

Front

Which seismic waves are the slowest?

Back

Surface waves.

Front

What are surface waves?

Back

Main type of seismic waves that can only travel through the surface of the Earth.

Front

What is the focus of an earthquake?

Back

The point beneath the Earth's surface where the earthquake begins.

Front

What is the epicenter of an earthquake?

Back

The point on the Earth's surface directly above the focus.

Front

What are body waves?

Back

Seismic waves that travel through the interior of the Earth.

Front

What are P waves?

Back

Primary waves that are the fastest seismic waves and can travel through solids and liquids.

Front

What are S waves?

Back

Secondary waves that are slower than P waves and can only travel through solids.

Front

What is the magnitude of an earthquake?

Back

A measure of the energy released during an earthquake.