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Magnitude and Energy of Earthquakes

Gutenberg, B. and Richter, C. F. (1955) Magnitude and Energy of Earthquakes. Nature, 176 (4486). p. 795. ISSN 0028-0836. http://resolver.caltech.edu/CaltechAUTHORS:20140923-103401001

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Abstract

In a paper presented at a meeting of the Seismological Society of America on April 29, 1955, we have revised previous work on the relation of earthquake magnitude M to energy E (in ergs). Methods formerly used to extend the magnitude scale for local earthquakes to teleseisms lead to inconsistencies, so that in effect three different magnitude scales are in use: (1) M_L, the magnitude originally defined by Richter for local earthquakes in California as recorded on standard torsion seismometers. (2) M_S, that based on calculated ground amplitudes for surface waves of periods of about 20 sec. in shallow teleseisms. (3) M_B, that based on the amplitude/period ratio in body waves for both shallow and deep earthquakes.


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http://dx.doi.org/10.1038/176795a0DOIArticle
http://www.nature.com/nature/journal/v176/n4486/abs/176795a0.htmlPublisherArticle
Additional Information:© 1955 Nature Publishing Group.
Record Number:CaltechAUTHORS:20140923-103401001
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140923-103401001
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49933
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:23 Sep 2014 17:37
Last Modified:23 Sep 2014 17:37

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