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An instrumental earthquake magnitude scale

Richter, Charles F. (1935) An instrumental earthquake magnitude scale. Bulletin of the Seismological Society of America, 25 (1). pp. 1-32. ISSN 0037-1106. http://resolver.caltech.edu/CaltechAUTHORS:20140804-143558638

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Abstract

In the course of historical or statistical study of earthquakes in any given region it is frequently desirable to have a scale for rating these shocks in terms of their original energy, independently of the effects which may be produced at any particular point of observation. On the suggestion of Mr. H. O. Wood, it is here proposed to refer to such a scale as a "magnitude" scale. This terminology is offered in distinction from the name "intensity" scale, now in general use for such scales as the Rossi-Forel and Mercalli-Cancani scales, which refer primarily to the local intensity of shock manifestation.


Item Type:Article
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http://bssa.geoscienceworld.org/content/25/1/1.full.pdf+htmlPublisherArticle
Additional Information:Copyright © 1935, by the Seismological Society of America. [Received for publication June 17, 1934.]
Record Number:CaltechAUTHORS:20140804-143558638
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140804-143558638
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47921
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:04 Aug 2014 21:47
Last Modified:13 Feb 2019 18:01

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