For instance, seismic waves carry energy from the source of ... Introduce to your students the two simplest types of wave interactions with rocks: reflection and refraction. Ask students to ...

Earthquakes generally produce two types of seismic waves in the initial stage. One is “preliminary” waves that travel about 7 kilometers per second, known as P waves. The other is S waves ...

A series of earthquakes struck southern Tibet on January 7, near the Nepal border. What exactly is an earthquake? Which countries are the most earthquake-prone? Why is the Himalayan region seismically ...

When scientists attempt to “see” all the way through the planet, they are generally tracking two types of seismic waves: ...

Using high-resolution models and the Piz Daint supercomputer, researchers identified anomalies beneath oceans and continental ...

"We don't know exactly what they are or what material is creating the patterns we have uncovered," researcher Thomas Schouten said.

When the waves cross the boundary between two different layers ... It is the slowest of the three types of seismic wave. Surface waves usually have larger amplitude than the other waves and ...

Geophysicists at ETH Zurich are using models of the lower mantle to identify areas where earthquake waves behave differently ...

according to experts — and it all boils down to differing types of rocks on either side of the country. Why East Coast quakes are felt farther Seismic waves can travel much farther through the E ...