Geophysical Data Regarding the Earth

  • Adrian E. Scheidegger

Abstract

Seismology, the study of earthquakes, has yielded some very pertinent information about the structure of the Earth. Earthquakes are shocks that occur within the Earth. It appears that these shocks originate each in a region which is small compared with the Earth as a whole; this region can be regarded as a point for most purposes and is referred to as the focus of the earthquake. The point directly above the focus on the Earth’s surface is termed the epicenter of the earthquake.

Keywords

Geochemistry Half Life Lime Petrol Strontium 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1963

Authors and Affiliations

  • Adrian E. Scheidegger
    • 1
  1. 1.University of IllinoisUrbanaUSA

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