Published February 2010
| Published
Journal Article
Open
Magnitude and energy of earthquakes
- Creators
- Gutenberg, Beno
- Richter, Charles Francis
Chicago
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Abstract
Discrepancies arise among magnitudes as derived from local earthquake data (M_L), body waves (M_B) and surface waves (M_S). The relation of ML to the others is as yet not definitive; but M_S – m_B = a (M_S – b). The latest revision gives a = 0.37, b = 6.76. Pending further research it is recommended that ML continue to be used as heretofore, but M_S (and ultimately M_L) should be referred to m_B as a general standard, called the unified magnitude and denoted by m. Tentatively log E = 5.8 + 2.4 m (E in ergs). Revised tables and charts for determining m are given.
Additional Information
© 2010 by the Istituto Nazionale di Geofisica e Vulcanologia. This work is licensed under a Creative Commons Attribution 3.0 License. Contribution n. 750, Division of the Geological Sciences, California Institute of Technology, Pasadena, California.Attached Files
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Additional details
- Eprint ID
- 43558
- Resolver ID
- CaltechAUTHORS:20140129-152147830
- Created
-
2014-03-03Created from EPrint's datestamp field
- Updated
-
2021-11-10Created from EPrint's last_modified field
- Other Numbering System Name
- Caltech Division of Geological Sciences
- Other Numbering System Identifier
- 750