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Ground-based gravitational wave interferometers such as the Laser Interferometer Gravitational-wave Observatory (LIGO) are susceptible to high-magnitude teleseismic events, which can interrupt their operation in science mode and…

We present an axiomatic approach to earthquake forecasting in terms of multi-component random fields on a lattice. This approach provides a method for constructing point estimates and confidence intervals for conditional probabilities of…

地球物理 · 物理学 2013-10-29 V. Gertsik , M. Kelbert , A. Krichevets

The distribution of inter-occurrence time between seismic events is a quantity of great interest in seismic risk assessment. We evaluate this distribution for different models of earthquakes occurrence and follow two distinct approaches:…

地球物理 · 物理学 2007-05-23 C. Godano , L. de Arcangelis

We study the structural similarity of earthquake networks constructed from seismic catalogs of different geographical regions. A hierarchical clustering of underlying undirected earthquake networks is shown using Jensen-Shannon divergence…

地球物理 · 物理学 2017-05-24 Krishanu Deyasi , Abhijit Chakraborty , Anirban Banerjee

Earthquake occurrence is notoriously difficult to predict. While some aspects of their spatiotemporal statistics can be relatively well captured by point-process models, very little is known regarding the magnitude of future events, and it…

地球物理 · 物理学 2026-04-29 Neri Berman , Oleg Zlydenko , Oren Gilon , Yossi Matias , Yohai Bar-Sinai

Statistical properties of earthquakes are studied both by the analysis of real earthquake catalog of Japan and by numerical computer simulations of the spring-block model in both one and two dimensions. Particular attention is paid to the…

其他凝聚态物理 · 物理学 2012-01-27 Hikaru Kawamura

Modern optical atomic clocks along with the optical fiber technology currently being developed can measure the geoid, which is the equipotential surface that extends the mean sea level on continents, to a precision that competes with…

地球物理 · 物理学 2015-06-10 Mihai Bondarescu , Ruxandra Bondarescu , Philippe Jetzer , Andrew Lundgren

The paper represents the VLF/LF electromagnetic radiation as the earthquake's true precursor. It is shown that this parameter is capable of describing the fault formative process in the focal area. Besides, VLF/LF electromagnetic radiation…

地球物理 · 物理学 2022-05-16 Manana Kachakhidze , Nino Kachakhidze-Murphy

The analysis of two global data sets of large earthquakes (2010 - 2011, 30 samples of M \geq 7R and 1901-2011, 178 samples of M \geq 8R) reveals that there exists a cause and effect relation between the vertical tidal M1 component amplitude…

地球物理 · 物理学 2011-06-07 C. Thanassoulas , V. Klentos , G. Verveniotis , N. Zymaris

Earthquakes are a complex spatiotemporal phenomenon, the underlying mechanism for which is still not fully understood despite decades of research and analysis. We propose and develop a network approach to earthquake events. In this network,…

地球物理 · 物理学 2015-05-28 Joel N. Tenenbaum , Shlomo Havlin , H. Eugene Stanley

A search for the possible precursors of an earthquake and its effect on the data series of diverse geophysical parameters has been made in the mountain of Northern Tien Shan. The complex installation included the NM64 type neutron…

地球物理 · 物理学 2013-01-30 N. M. Salikhov , A. L. Shepetov , A. P. Chubenko , O. N. Kryakunova , G. D. Pak

Based on the geodynamics, an earthquake does not take place until the momentum-energy excess a faulting threshold value of rock due to the movement of the fluid layer under the rock layer and the transport and accumulation of the momentum.…

综合物理 · 物理学 2008-02-05 Yi-Fang Chang

Analyzing the NEIC-data we have shown that the spatial deep-focus earthquake distribution in the Earth interior over the 1993-2006 is characterized by the clearly defined periodical fine discrete structure with period L=50 km, which is…

Phase maps, of the earth's electric field monitored at PYR and ATH monitoring sites in Greece, were compiled for two distinct oscillating earth's electric field components long before, during and after the Nafpactos EQs in Greece (January…

地球物理 · 物理学 2010-03-16 C. Thanassoulas , V. Klentos , G. Verveniotis

The time dependence of the parameter of the Gutenberg-Richter (GR) magnitude distribution is computed for foreshock sequences of earthquakes, correlated with the main shock, by using the geometric-growth model of earthquake focus, the…

地球物理 · 物理学 2023-03-06 B. F. Apostol , L. C. Cune

In this article we implemented simulations of the OFC model for earthquakes for two different topologies: regular and small-world, where in the latter the links are randomly rewired with probability $p$ . In both topologies, we have studied…

适应与自组织系统 · 物理学 2014-05-05 Douglas S. R. Ferreira , Andrés R. R. Papa , Ronaldo Menezes

Earthquakes are a major threat to nations worldwide. Earthquake detection is an important scientific challenge, not only for its social impacts, but also since it reflects the actual degree of understanding of the physical processes…

地球物理 · 物理学 2023-05-05 Yosef Ashkenazy , Ittai Kurzon , Eitan Asher

Recent observation studies have revealed that earthquakes are classified into several different categories. Each category might be characterized by the unique statistical feature in the time series, but the present understanding is still…

地球物理 · 物理学 2021-03-24 Sumanta Kundu , Anca Opris , Yohei Yukutake , Takahiro Hatano

Gravitational wave observatories have always been affected by tele-seismic earthquakes leading to a decrease in duty cycle and coincident observation time. In this analysis, we leverage the power of machine learning algorithms and archival…

We investigate the form and dynamics of shock-acoustic waves generated by earthquakes. We use the method for detecting and locating the sources of ionospheric impulsive disturbances, based on using data from a global network of receivers of…

地球物理 · 物理学 2015-06-26 E. L. Afraimovich , N. P. Perevalova , A. V. Plotnikov , A. M. Uralov