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The Study of Earth Movements in California

Day, Arthur L. (1925) The Study of Earth Movements in California. Science, 61 (1578). pp. 323-328. ISSN 0036-8075. https://resolver.caltech.edu/CaltechAUTHORS:20141212-163528051

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Abstract

It has been the custom for a number of years for the retiring president to present in brief review a field of activity with which he has been associated rather than to undertake the detailed exploitation of any particular problem. I have therefore chosen to give some outline of an effort which has been in progress for four or five years only, but which is particularly appropriate to present in this time and place to so many in Washington who have been associated with it. The present study of earth movements in California is planned to be of broader scope than a mere statistical study of earthquakes. It is intended to do somewhat more than record tremors with the seismograph, in order, by comparison with other similar records, to trace the path of the waves to a common center of disturbance, and so to obtain information about the manner of their transmission through the interior of the earth. This is a part of a project as heretofore, but we have wished to investigate not only the tremors which may be picked up here of there and their paths traced to a distant point of origin, but their probable causes the earth movements at the source, cumulative mass movements through which the enormous strains are set up and not alone the disturbances which indicate their release.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.61.1578.323DOIArticle
http://www.sciencemag.org/content/61/1578/323.extractPublisherArticle
http://www.jstor.org/stable/1649234JSTORArticle
Additional Information:© 1925 American Association for the Advancement of Science. Address of the president to the Washington Academy of Sciences, January 13, 1925.
Issue or Number:1578
Record Number:CaltechAUTHORS:20141212-163528051
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20141212-163528051
Official Citation:THE STUDY OF EARTH MOVEMENTS IN CALIFORNIA Arthur L. Day Science 27 March 1925: 61 (1578), 323-328. [DOI:10.1126/science.61.1578.323]
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:52792
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:15 Dec 2014 16:10
Last Modified:03 Oct 2019 07:44

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