Abstract
The present paper gives a scale of earthquake energy class KF that is to standardize the relevant data based on the existing scales: MS, MW, mb, KS, among many others. The conceptual novelty of the scale we propose consists in shifting the emphasis from seismometric issues that are traditional in such cases, which are concerned with the recording of seismic waves, as well as with issues arising in discussions of their generation and propagation, toward an effective use of basic energy properties of the seismic process (the Gutenberg–Richter law). In the most general case, this approach can significantly simplify the development of regression relations between different earthquake size scales, but the most promising problem consists in developing a single generalized scale. A particular solution of the problem is presented as the development of such a scale for earthquakes of Kamchatka. The KF scale rests on the energy class \(K_{{S1.2}}^{{F68}}\) proposed by S.A. Fedotov (KS at the Kamchatka Branch (KB) of the National Seismological Centre, Geophysical Survey, Russian Academy of Sciences (NSC GS RAS) and on the generally accepted mb magnitude (ISC).
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Notes
https://earthquake.usgs.gov/earthquakes/search/.
http://sdis.emsd.ru/info/earthquakes/catalogue.php.
http://www.isc.ac.uk.
The saw-toothed appearance in the right part of the plot can be considerably diminished by linear smoothing applied, not to the variational series of energy classes K, but to the corresponding variational series of 1/S. This variant has greater promise, but there is no essential difference between the two kinds of smoothing in the framework of the present study.
https://www.usgs.gov/natural-hazards/earthquake-hazards/science/earthquake-magnitude-energy-release-and-shaking-intensity?qt-science_center_objects=0#qt-science_center_objects.
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Solomatin, A.V. The Energy Properties of the Seismic Process and the Feasibility of Introducing a Generalized Energy Class of Earthquakes. J. Volcanolog. Seismol. 16, 311–321 (2022). https://doi.org/10.1134/S0742046322040078
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DOI: https://doi.org/10.1134/S0742046322040078