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Quantification of great earthquakes

Kanamori, Hiroo (1978) Quantification of great earthquakes. Tectonophysics, 49 (3-4). pp. 207-212. ISSN 0040-1951. doi:10.1016/0040-1951(78)90179-8.

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The surface-wave magnitude, M_s, is widely used to represent the "size" of an earthquake. However, the wavelength of seismic waves used for the determination of M_s is about 50 km so that it is unclear whether M_s can adequately quantify great earthquakes whose fault dimension is much larger than the wavelength. Such great earthquakes, though they are relatively infrequent, contribute most to the total seismic energy budget. It is desirable to implement a parameter which represents better the overall "size" of such great earthquakes.

Item Type:Article
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Kanamori, Hiroo0000-0001-8219-9428
Additional Information:© 1978 Published by Elsevier B.V. Available online 1 April 2003. This research was supported by National Science Foundation Grant EAR77-13641. Contribution No. 3114, Division of Geological Sciences, California Institute of Technology, Pasadena, Ca. 91125.
Group:UNSPECIFIED, Division of Geological and Planetary Sciences
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Caltech Division of Geological Sciences3114
Issue or Number:3-4
Record Number:CaltechAUTHORS:20150218-083351417
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Official Citation:Hiroo Kanamori, Quantification of great earthquakes, Tectonophysics, Volume 49, Issues 3–4, 1 September 1978, Pages 207-212, ISSN 0040-1951, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:54926
Deposited By: Ruth Sustaita
Deposited On:18 Feb 2015 16:50
Last Modified:10 Nov 2021 20:39

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