Seismology

Seismology

The study of earthquake, seismic sources, and wave propagation through the Earth.

Industry: Earth science

Add a new term

Contributors in Seismology

Become a Contributors

Seismology

focal depth of earthquakes

Earth science; Seismology

The depth of the focus below the surface of the Earth.

holocene

Earth science; Seismology

The current geological time period that started about 10,000 years ago.

The crust and upper mantle of the earth are made up of about a dozen large plates and several smaller ones that are constantly moving. The movements are very slow - only a few centimetres per year. ...

eigenfunction

Earth science; Seismology

The corresponding displacement patterns of the eigenfrequencies (also called normal modes). When the solution is zero with the given boundary conditions, that is the fundamental mode. Higher values ...

Fourier spectra

Earth science; Seismology

The corresponding amplitude and phase signals resulting from the Fourier transform of a time series.

coda

Earth science; Seismology

The concluding train of seismic waves that follows the principal part of an earthquake.

kernel

Earth science; Seismology

The complete seismogram Green's function for each of the moment tensor elements. They are obtained by summing the normal modes of the Earth. Used in calculating centroid moment tensors.