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Browsing by Title
Now showing items 12837-12856 of 39126
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(1986)Study of focal mechanisms of earthquakes in the Near and Komandorsky Islands indicate that there are several distinct zones of tectonic activity. South of the Near Islands, normal faulting occurs in the trench east of 172°E ...
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(2000)Gradual restriction of fracturing toward the plane of the future main rupture and its subsequent localization near this plane are qualitatively described by the avalanche unstable-fracturing model of earthquake precursors. ...
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(2014)Kizimen Volcano began to erupt in December 2010. The eruption was preceded by a precursory period of seismicity that lasted for 20 months. This paper discusses the space-time features of the precursory seismicity. We provide ...
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(2005)The block-lava effusion at Volcán de Colima, México began on November 20, 1998, after 12 months of seismic activity, and ended about 80 days later. Three types of seismic events were observed during the lava effusion. ...
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(2002)The seismicity of Chukotka forms the central part of a Trans-Bering seismic belt that extends from the Koryak highlands through the Seward Peninsula to central Alaska. The seismicity of the Chukotka section has been recorded ...
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(1997)Newly compiled Russian and U.S. seismological data support an independent Bering block in motion relative to the North American plate. This motion is likely to be driven by the westward extrusion of southwestern Alaska, ...
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(2003)A statistical analysis of the relative distance and time delay separating pairs of earthquakes is performed, to determine how a seismicity system evolves dynamically following a stress perturbation (earthquake). We analyse ...
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(2004)This paper presents a further development of mathematical model, an asymptotic theory and an appropriate numerical algorithm to study the vector VLF point source field propagation problem within the non-uniform Earth–ionosphere ...
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(1989)The objective of combined seismometric and tectonophysical investigations is to construct the dynamic models of the lithosphere from the study of its deformation elements and to research stress and deformation relationships ...
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(1989)The patterns of electric current passage through rocks are still not completely understood. Also by no means fully understood, are the geoelectric phenomena produced by the passage of seismic waves. Earlier studies devoted ...
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(1989)The study of seismoacoustic noise has revealed many scientific and practical applications of this phenomenon. The noise data can be used in prediction of rock-bursts in mines, of earthquakes and other dynamic processes in ...
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(2004)We summarize seismogenic structures in four regions of active convergence, each at a different stage of the collision process, with particular emphases on unusual, deep-seated seismogenic zones that were recently discovered. ...
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(2000)This study of seismogeodynamics and seismicity in North Eurasia was based on the idea of a structural, dynamic, and energy unity of the geophysical medium and of seismogeodynamic processes operating in it. This unity is ...
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(2002)We present a semi-analytical, semi-numerical method to simulate wave propagation in piecewise heterogeneous media that the Earth presents. Wave propagation in such media will highlight the reflections/transmissions at ...
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(1989)Seismogravitational oscillations are movements of the earth in which inertial and gravitational accelerations of similar magnitude are generated on its surface. These include the lowest-frequency characteristic oscillations ...
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(2000)A new approach is proposed for mapping seismicity parameters. It incorporates the scale of the seismic process involved (precursory areas of large earthquakes) and interaction of seismicity at great distances. The concepts ...
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(2001)A technique for determining volume deformation variations is suggested and substantiated theoretically on the basis of the multiple-reflection longitudinal waves specified in the seismograms from distant earthquakes. Results ...
Now showing items 12837-12856 of 39126