Seismic Waves Vocabulary

Front

What are seismic waves that travel through the Earth's interior?

Back

Body Waves

Front

What is an area on the Earth's surface where no direct seismic waves from a particular earthquake can be detected?

Back

Shadow Zone

Front

What is the spreading out of a wave as it moves around an obstacle or passes through a narrow opening?

Back

Diffraction

Front

What is the amount of time between the arrival of P waves and the arrival time of S Waves?

Back

S-P Gap

Front

What are waves of energy that travel through and along the Earth?

Back

Seismic Waves

Front

What are the two main types of body waves?

Back

P Waves and S Waves

Front

What type of seismic wave travels fastest and can move through solids, liquids, and gases?

Back

P Waves

Front

What type of seismic wave can only travel through solids and is slower than P waves?

Back

S Waves

Front

What instrument is used to detect and record seismic waves?

Back

Seismograph

Front

What is the term for the bending of waves as they pass from one medium to another?

Back

Refraction