Reference Terms
from Wikipedia, the free encyclopedia


Geophysics, the study of the earth by quantitative physical methods, especially by seismic reflection and refraction, geodesy, gravity, magnetic, electrical, electromagnetic, and radioactivity methods.

The field of geophysics includes the branches of seismology (earthquakes and elastic waves), gravity and geodesy (the Earth's gravitational field and the size and form of the earth) and the atmospheric sciences.

Note:   The above text is excerpted from the Wikipedia article "Geophysics", which has been released under the GNU Free Documentation License.
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