Abstract
AS an exact science, seismology is in its infancy. Although great progress has been made during the past ten years, and especially in the development of instruments and methods for a more precise study of seismic phenomena, the results thus far have served rather to reveal the complicated nature of the problems involved; and while encouraging the seismologist to renewed effort, they warn him that his efforts are not to be light. The recent advances of the science have been, and properly, toward the study of the phenomena at hand, the nature and extent of the motion of the earth particle together with the rate at which the disturbance is propagated, in the expectation and hope that in time the location and character of the original cause may be revealed through these.
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References
Lord Rayleigh, "Theory of Sound," vol. ii. p. 17. Sir William Thomson on "The Possible Density of the Luminous Medium."
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On the Intensity of Earthquakes, with Approximate Calculations of the Energy Involved 1 . Nature 39, 380–382 (1889). https://doi.org/10.1038/039380b0
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DOI: https://doi.org/10.1038/039380b0