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THE GENERALIZED OMORI LAW: MAGNITUDE INCOMPLETENESS OR MAGNITUDE CLUSTERING
International Journal of Modern Physics B, 2009The investigate the aftershock decay soon after the largest ten sequences occurred in Southern California in last 20 years. We show that this decay becomes independent on the mainshock magnitude MMand on the lower magnitude threshold MIif time is rescaled by an appropriate time scale fixed by the difference MM– MI.
Bottiglieri M +3 more
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Omori’s law: a note on the history of geophysics
Physics-Uspekhi, 2017Abstract In the late nineteenth century, the Japanese seismologist Omori discovered the first law of earthquake physics, which states that the rate of aftershocks decreases hyperbolically with time. Over the years since then, there has been a vast amount of literature on this law, and the significance of its discovery has been ...
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Breaking Omori's Law of Public Awareness
Seismological Research Letters, 2005As seismologists dedicated to studying one of the Earth's most dangerous natural phenomena, we are inured to the reality that public interest in our field surges after a significant earthquake and decays rapidly afterward to a rather low background level. This would be little more than a curiosity were it not for the fact that understanding earthquakes
A. Lerner-Lam, L. Seeber
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To the Strategy Of Informational Impacts In Cyberspace By Omori’s Law
2019 3rd International Conference on Advanced Information and Communications Technologies (AICT), 2019This work demonstrates an approach how to apply cyber impacts to make desirable resonance effective in the targeted network segment, wholly covering dedicated auditory. The peculiarities of maximization (on demand) the impacts to make the resonance peak-factor so high up to be prevalent on the specified period of the time, until respective structure ...
Ivan Demydov +3 more
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Bayesian estimation of the Modified Omori Law parameters for the Iranian Plateau
Journal of Seismology, 2016The forecasting of large aftershocks is a preliminary and critical step in seismic hazard analysis and seismic risk management. From a statistical point of view, it relies entirely on the estimation of the properties of aftershock sequences using a set of laws with well-defined parameters.
Vladimir Smirnov, Hamid Zafarani
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Multifractal Omori law for earthquake triggering
2009The Multifractal Stress-Activated model is a statistical model of triggered seismicity based on mechanical and thermodynamic principles. It predicts that, above a triggering magnitude cut-off M₀, the exponent p of the Omori law for the time decay of the rate of aftershocks is a linear increasing function p (M) = a₀M + b₀ of the main shock magnitude M ...
Ouillon, G. +2 more
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Euler's transform and a generalized Omori's law
Physics Letters A, 2006The self-replication process of the statistical events generated by an original, main event and described by a finite distribution leads to a generalized Omori distribution singular at origin. The two distributions are related to each other by Euler's transform.
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Bulk-friction modeling of afterslip and the modified Omori law
Tectonophysics, 1997Abstract Afterslip data from the Superstition Hills fault in southern California, a creep event on the same fault, the modified Omori law, and cumulative moments from aftershocks of the 1957 Aleutian Islands earthquake all indicate that the original formulation by Dieterich (1981) [Constitutive properties of faults with simulated gouge. AGU, Geophys.
Leif Wennerberg, Robert V. Sharp
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Omori law for foreshocks and aftershocks in a realistic earthquake model
EPL (Europhysics Letters), 2019We study a physical model for earthquakes which extends the standard spring-block model. It is able to quantitatively describe the observations which detect differences between the statistics of foreshocks and aftershocks and the properties of main shocks.
O. M. Braun, M. Peyrard
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How Likely Does an Aftershock Sequence Conform to a Single Omori Law Behavior?
Seismological Research Letters, 2018The most popular aftershock forecasting model is based on the modified Omori law (MOL), which describes the expected decay of the aftershock given the mainshock's magnitude. Although such a model is still widely used for operational purposes, it is not unusual that one or more aftershocks break the MOL behavior.
Spassiani, I., Marzocchi, W.
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