Earth science

Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

7Categories 223518Terms

Add a new term

Contributors in Earth science

Become a Contributors

Earth science > Seismology

source

Earth science; Seismology

(1) The geologic structure that generates a particular earthquake. (2) The explosion used to generate acoustic or seismic waves.

plane wave

Earth science; Seismology

A family of rays that are parallel straight lines.

taper

Earth science; Seismology

A function whose corners are less sharp resulting in less distortion of the function. Taper is used to help minimize the decay of the signal into the noise that result from ...

torsional mode

Earth science; Seismology

A spherical mode where it depends only on the shear-velocity structure and thus are confined to motions the solid shell of the mantle.

elastic stress

Earth science; Seismology

A measure of the forces acting on a body in units of force per unit area.

response spectrum

Earth science; Seismology

A curve showing the mathematically computed maximum response of a set of simple damped harmonic oscillators of different natural frequency(ies) to a particular record of ...