In this lesson, students learn about different types of seismic waves on the basis of where and how the waves move. In addition, students discuss how scientists use earthquake waves to investigate ...

The height of the recorded waves on the seismogram (wave amplitude) is a greatly magnified representation of the actual ground motion. A recording of an earthquake has recognizable characteristics.

There are two types of tsunamis: Local and Teletsunamis. Local tsunamis are waves affecting coastlines close to the generating area (whether ... rest of the wave to catch up and the wave builds before ...

sound waves cause air particles to vibrate back and forth; ripples cause water particles to vibrate up and down. A longitudinal wave is one in which the vibrations of the particles are parallel to ...

Geological records show that some of the largest types of earthquakes ... The system works by detecting pressure waves emitted by an earthquake. While it can't predict when an earthquake will ...

Our guide on how to prepare for a tsunami alert as this year's Tsunami Preparedness Week approaches on March 22–30.

A new analysis of earthquake rupture directivity provides essential insights for seismic hazard and risk assessments in urban ...

the emergency earthquake warning system that was developed by Mieruka Bousai Co., a Tokyo technology start-up. Earthquakes generally produce two types of seismic waves in the initial stage.