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Earthquake magnitude, intensity, energy, and acceleration

Gutenberg, B. and Richter, C. F. (1942) Earthquake magnitude, intensity, energy, and acceleration. Bulletin of the Seismological Society of America, 32 (3). pp. 163-191. ISSN 0037-1106. http://resolver.caltech.edu/CaltechAUTHORS:20140731-144337220

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Abstract

The magnitude of an earthquake was originally defined by the junior author (Richter, 1935), for shocks in southern California, as the logarithm of the maximum trace amplitude expressed in thousandths of a millimeter with which the standard short-period torsion seismometer (free period 0.8 sec., static magnification 2800, damping nearly critical) would register that earthquake at an epicentral distance of 100 kilometers. Gutenberg and Richter (1936) extended the scale to apply to earthquakes occurring elsewhere and recorded on other types of instruments.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://bssa.geoscienceworld.org/content/32/3/163.full.pdf+htmlPublisherArticle
Additional Information:Copyright © 1942, by the Seismological Society of America. Manuscript received for publication January 29, 1942.
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Balch Graduate School of the Geological Sciences Contribution332
Record Number:CaltechAUTHORS:20140731-144337220
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140731-144337220
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47731
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:31 Jul 2014 22:12
Last Modified:13 Feb 2019 17:38

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