| Biography | |
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 Prof. Victor Novikov Joint Institute for High Temperatures of Russian Academy of Science, Russia |
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| Title: Interrelation of space weather and seismic activity: Implication for earthquake hazard mitigation | |
| Abstract: It is well known that space weather, which incorporates a set of phenomena in the space including solar flares and magnetic storms, may affect technological systems and activities of modern civilization. The effects of geomagnetic disturbances on telegraph lines, submarine phone cables, and power systems have been noticed for over a century and described in a number of reviews. In addition, a discussion of an impact of strong variations of space weather on the lithosphere and possible triggering of earthquakes is under way. The studies completed to-date on a relation of the Earth's seismicity and solar processes provided the fuzzy and contradictory results. The main problem of this research is a lack of physical explanation of a mechanism of earthquake triggering by strong variations of space weather conditions. Based on results obtained in the field and laboratory experiments on earthquake triggering by DC pulses injection into the Earth crust we may assume that the similar triggering phenomena may occur after the strong electromagnetic impact to the earthquake source due to solar flares or geomagnetic storms. Numerical estimations demonstrated that telluric currents induced by geomagnetic pulsations generated by solar flare have the similar density at the depth of earthquake source location (10-6 A/m2) in comparison with the current density generated by artificial power sources (10-7-10-8 A/m2) resulted in observed spatiotemporal redistribution of seismic activity in the regions of Pamir and Northern Tian Shan. For supporting the idea of a possible earthquake triggering by solar flares we carried out a statistical analysis of global and regional seismicity behavior during the solar flare of X9.3 class occurred on September 6, 2017 (the strongest flare over the past thirteen years). We have discovered a new evidence of earthquake triggering due to the Sun-Earth interaction by simple comparison of a number of earthquakes before and after the strong solar flare. The global number of earthquakes (USGS catalog, M 4) for time window of 11 days after the solar flare has increased by 68%, and the regional seismicity (Greece, EMSC catalog, M3) has increased by 120%. These results pointed to a necessity of detailed survey of the seismic-prone regions to find areas most sensitive to the natural electromagnetic impacts where the seismic alarms may be announced after strong variation of space weather parameters due to a possible electromagnetic triggering of catastrophic earthquakes. Keywords: space weather, solar flare, geomagnetic storm, geomagnetically induced telluric currents, electromagnetic earthquake triggering | |
| Biography: Education: Graduated from Tula Polytechnic University in 1976 Department: Mechanical Engineering Specialty: Solid propellant rocket engines. PhD, 1998 (power units based on renewable energy sources)
Professional experience record: Date: 1976 – 1988 Company: Federal Center of Dual-Use Technologies "Soyuz" Location: Dzerzhinskiy, Moscow Region, Russia http://www.fcdt.ru The Federal Center for Dual-Use Technologies "Soyuz" is one of leading enterprises of the military-industrial complex of the Russian Federation. More than 80 percent of modern Russian missiles are equipped with propellant, designed in the "Soyuz" enterprise. Position: Engineer, Senior Engineer, Head of Research Group Description: Solid propellant & plasma generator design for pulsed magneto-hydrodynamic (MHD) power systems Date: 1988-till present Company: Joint Institute for High Temperatures of Russian Academy of Sciences (JIHT RAS) Location: Moscow, Russia http://jiht.ru Joint Institute for High Temperatures of the Russian Academy of Sciences is the leading research institute in the fields of high energy densities physics, shock wave physics, thermodynamics databases, numerical simulations and cluster computing, dusty plasma, applied electrodynamics, combustion, green power and many others. Position: Senior researcher (1988-1998), head of laboratory of pulsed power systems for geophysics (1998-till present) Field of research: R&D of pulsed MHD power systems, application of pulsed MHD power systems for geology, geophysics, and aerospace. Seismicity triggered by high-power electric pulses, development of backgrounds of earthquake control technology and earthquake short-term prediction based on earthquake triggering phenomena. | |
