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A recently proposed method of constructing seismic networks from 'record breaking events' from the earthquake catalog of California (Phy. Rev. E, 77 6,066104, 2008) was successfull in establishing causal features to seismicity and arrive at…

Geophysics · Physics 2017-08-02 P. G. Revathi , T. R. Krishnamohan

We have explored the temporal variability of the seismicity at global scale over the last 124 years, as well as its potential drivers. To achieve this, we constructed and analyzed an averaged global seismicity curve for earthquakes of…

We present a method for locating the seismic event epicenters without assuming an Earth model of the seismic velocity structure, based on the linear relationship between $\log R$ and $\log t$ (where $R$ is the radius of spherical P wave…

Geophysics · Physics 2021-08-23 Rong Qiang Wei

A lot of seismic phenomena with small magnitude has been taking place in the Ladoga lake region. One of them is the earthquake which was recorded on the 31$^\text{th}$ of July, 2010 followed by an earthquake swarm near Nikonovsky cape.…

Geophysics · Physics 2017-12-22 M. A. Nikitina , A. Yu. Val'kov

Regional disaster resilience quantifies the changing nature of physical risks to inform policy instruments ranging from local immediate recovery to international sustainable development. While many existing state-of-practice methods have…

Machine Learning · Computer Science 2026-03-19 Joshua Dimasaka , Christian Geiß , Emily So

Satellite observations of the geomagnetic field contain signals generated in Earth's interior by electrical currents in the core and by magnetized rocks in the lithosphere. At short wavelengths the lithospheric signal dominates, obscuring…

Geophysics · Physics 2024-02-06 Mikkel Otzen , Christopher C. Finlay , Clemens Kloss

Landslide movements typically show a series of progressively shorter quiescent phases, punctuated by sudden bursts during an acceleration crisis. We propose that such intermittent rupture phenomena can be described by a log-periodic power…

Geophysics · Physics 2025-02-18 Qinghua Lei , Didier Sornette

This study presents an experimental investigation of the recently established generalized linear sampling method (GLSM) for non-destructive evaluation of damage in elastic materials. To this end, ultrasonic shear waves are generated in a…

Applied Physics · Physics 2021-05-26 Fatemeh Pourahmadian , Hao Yue

Epileptic seizure activity shows complicated dynamics in both space and time. To understand the evolution and propagation of seizures spatially extended sets of data need to be analysed. We have previously described an efficient filtering…

Machine Learning · Statistics 2017-11-15 Gerald K Cooray , Richard Rosch , Torsten Baldeweg , Louis Lemieux , Karl Friston , Biswa Sengupta

We present a method of constructing low-dimensional nonlinear models describing the main dynamical features of a discrete 2D cellular fault zone, with many degrees of freedom, embedded in a 3D elastic solid. A given fault system is…

Geophysics · Physics 2009-11-10 Marian Anghel , Yehuda Ben-Zion , Ramiro Rico-Martinez

To improve the resilience of electric distribution systems, this paper proposes a stochastic multi-period mixed-integer linear programming model that determines where to underground distribution lines and how to coordinate mobile generators…

Systems and Control · Electrical Eng. & Systems 2022-04-25 Babak Taheri , Daniel K. Molzahn , Santiago Grijalva

A geometric model of a physical network affected by a disaster is proposed and analyzed using integral geometry (geometric probability). This analysis provides a theoretical method of evaluating performance metrics, such as the probability…

Networking and Internet Architecture · Computer Science 2013-12-30 Hiroshi Saito

Topolectrical circuits provide a versatile platform for exploring and simulating modern physical models. However, existing approaches suffer from incomplete programmability and ineffective feature prediction and control mechanisms,…

Disordered Systems and Neural Networks · Physics 2025-10-29 Hao Jia , Shanglin Yang , Jiajun He , Shuo Liu , Haoxiang Chen , Ce Shang , Shaojie Ma , Peng Han , Ching Hua Lee , Zhen Gao , Yun Lai , Tie Jun Cui

Over the past decades much effort has been devoted towards understanding and forecasting natural hazards. However, earthquake forecasting skill is still very limited and remains a great scientific challenge. The limited earthquake…

Electric power network expanded rapidly in recent decades due of the excessive need of electricity in every aspect of life, including critical infrastructures such as medical services, and transportation and communication systems. Natural…

Systems and Control · Electrical Eng. & Systems 2019-11-14 Ebru Aydin Gol , Burcu Güldür Erkal , Murat Göl

This article studies the Greek interregional commuting network (GRN) by using measures and methods of complex network analysis and empirical techniques. The study aims to detect structural characteristics of the commuting phenomenon, which…

Physics and Society · Physics 2020-03-19 Dimitrios Tsiotas , Konstantinos Raptopoulos

Strong seismic motions in soils generally lead to both a stiffness reduction and an increase of the energy dissipation in the surficial layers. In order to study such phenomena, several nonlinear constitutive models were proposed and were…

This paper addresses the possibility of using robust control theory for preventing earthquakes through fluid injections in the earth's crust. The designed robust controllers drive aseismically a fault system to a new equilibrium point of…

Optimization and Control · Mathematics 2024-12-10 Diego Gutiérrez-Oribio , Georgios Tzortzopoulos , Ioannis Stefanou , Franck Plestan

Conventional synchronous machines are gradually replaced by converter-based renewable resources. As a result, synchronous inertia, an important time-varying quantity, has substantially more impact on modern power systems stability. The…

Systems and Control · Electrical Eng. & Systems 2021-12-03 Mingjian Tuo , Xingpeng Li

Uncovering the distribution of magnitudes and arrival times of aftershocks is a key to comprehend the characteristics of the sequence of earthquakes, which enables us to predict seismic activities and hazard assessments. However,…