The released energy travels in the form of waves called seismic waves. It is this released energy that puts human beings and human structures in danger. Therefore, it is critical to understand ...

The seismic waves produced by an earthquake are monitored ... crust - relatively thin and rocky mantle - has the properties of a solid, but can flow very slowly outer core - made from liquid ...

Earthquakes are most common along fault lines, which are fractures that allow the plates to move. Earthquakes occur when two ...

A Chinese spacecraft that burned up high over Los Angeles created a sonic trail detected by ground-based sensors.

Features of waves – WJEC Key terms for the features of waves are introduced, and the properties and uses of ... like medical uses and communication. Seismic waves – WJEC Earthquakes produce ...

Other new and expanded topics include anisotropic seismic signatures, borehole waves, models for fractured media ... and an atlas of reservoir rock properties – extended to include carbonates, clays, ...