To diagnose my skin rash if it is red and non-scaly, consider: 1  toxic erythema - common harmless red rash in newborn babies. Read more.  measles and other erythematous rashes - see the main child skin rash page if your child has a red rash.
seismic wave. A seismic wave is an elastic wave generated by an impulse such as an earthquake or an explosion. Seismic waves may travel either along or near the earth's surface (Rayleigh and Love waves) or through the earth's interior (P and S waves).Share this page: 1  Facebook.2  Twitter. seismic wave is an elastic wave generated by an impulse such as an earthquake or an explosion. Seismic waves may travel either along or near the earth's surface (Rayleigh and Love waves) or through the earth's interior (P and S waves). Share this page: 1  Facebook. 2  Twitter.
The Rayleigh wave EncyclopÃ¦dia Britannica, Inc. earthquakes: types of seismic waves Seismic waves travel in different patterns and at different speeds through the Earth. The most damaging are the surface typesâthe Love waves and the Rayleigh waves. EncyclopÃ¦dia Britannica, Inc. Learn about this topic in these articles: characteristics. In seismic wave â¦principal surface waves are called Rayleigh waves after the British physicist Lord Rayleigh, who first mathematically demonstrated their existence.