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| Titel |
Earthquake source parameters that display the first digit phenomenon |
| VerfasserIn |
P. A. Toledo, S. R. Riquelme, J. A. Campos |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1023-5809
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| Digitales Dokument |
URL |
| Erschienen |
In: Nonlinear Processes in Geophysics ; 22, no. 5 ; Nr. 22, no. 5 (2015-10-21), S.625-632 |
| Datensatznummer |
250121005
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| Publikation (Nr.) |
 copernicus.org/npg-22-625-2015.pdf |
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| Zusammenfassung |
| We study the main parameters of earthquakes from the
perspective of the first digit phenomenon: the nonuniform probability of the
lower first digit different from 0 compared to the higher ones. We found that
source parameters like coseismic slip distributions at the fault and
coseismic inland displacements show first digit anomaly. We also found the
tsunami runups measured after the earthquake to display the phenomenon. Other
parameters found to obey first digit anomaly are related to the aftershocks:
we show that seismic moment liberation and seismic waiting times also display
an anomaly. We explain this finding by invoking a self-organized criticality
framework. We demonstrate that critically organized automata show the first
digit signature and we interpret this as a possible explanation of the
behavior of the studied parameters of the Tohoku earthquake. |
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