What is a seismic wave?

Seismic wave is a type of shock wave that vibrates through or below the surface of the Earth. These waves can be caused by various things, including sudden explosions below the earth's surface, wind or strong and repeating ocean waves. Damage caused by seismic waves can be serious. A seismology expert is a seismologist. These scientists interpret the geological composition and structures of the Earth. Seismologists can also evaluate the potential danger of seismic waves and research ways to minimize their impact. Seismologists usually categorize seismic waves into one of two types, body waves or surface waves. The primary wave or P-vlna is a type of seismic wool of the body that travels under SR with a high speed and is usually recorded first at the earthquake. It can move with solids and liquids by compressing and expanding the material in the way.

secondary wool or wave s is anotherI do the type of wool of the body. It is a slower seismic wave that travels by pushing rock particles perpendicular to its journey. However, the wave S cannot pass through gas and liquids and only travels through solids. Because the outer layer of the ground core is made of liquid molten lava, the wool must bend and walk around to reach the earthquake. Seismologists timed and used this feature of secondary waves to prove the existence of the core itself.

In addition to body waves, there are surface waves. Surface waves are generally responsible for the largest amount of earthquake destruction. This type of seismic wave moves only through the Earth's crust and is similar to a water wave. It is often generated when an earthquake source is close to the surface. It can shake the foundations of buildings and reduce very heavy structures. Surface waves are also divided into two subtypes: Rayleigh Waves, which travel like waves and can be seen by the human eye, and love waves that horizontally divide the ground.

seismologistThey try to determine the distance and source of the earthquake by measuring the difference at the time of arrival between primary and secondary waves. Measurements are usually made by a device called seismograph. The findings are often stored on the computer and can be used to predict future events and possible damage inside the active area.