Results 251 to 260 of about 28,402 (294)

Seismic triggering effect of tidal stress

Tectonophysics, 1983
Abstract The tidal stress field of a layered, spherically symmetric earth due to the sun and moon is used to investigate its relationship to the occurrence of earthquakes. For 70 severe earthquakes which occurred in or near China during the last 24 years, we computed the tidal stress in spherical polar coordinates at the focus at the time of ...
Zhong-Yi Ding, Jin-Kang Jia, Ren Wang
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Tidal triggering of deep moonquakes

Physics of the Earth and Planetary Interiors, 1979
Abstract Matching signals have previously been identified from about eighty repeating deep moonquake sources. These moonquakes clearly display tidal periodicities in their histories of origin times and signal amplitudes; they are presumably triggered by the solid-body tide in the moon, raised primarily by the earth.
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Behavior of Tidally Triggered Earthquakes Depends on Fluid Conditions

Bulletin of the Seismological Society of America, 2022
ABSTRACT Seismicity at The Geysers geothermal field and in Oklahoma is heavily influenced by industrial activities related to energy production, though the mechanism in which earthquakes are induced or triggered is different. At The Geysers, much of the seismicity is linked to thermoelastic stresses caused by injecting cold water into ...
Andrew A. Delorey, Ting Chen
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Premonitory slip and tidal triggering of earthquakes

Journal of Geophysical Research: Solid Earth, 1999
We have conducted a series of laboratory simulations of earthquakes using granite cylinders containing precut bare fault surfaces at 50 MPa confining pressure. Axial shortening rates between 10−4and 10−6 mm/s were imposed to simulate tectonic loading.
David A. Lockner, Nick M. Beeler
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Tidal triggering of reservoir-associated earthquakes

Engineering Geology, 1976
Abstract If the effect of a reservoir is to bring a fault zone gradually to failure and trigger an earthquake, then it is reasonable that rapidly fluctuating tidal stresses may influence the time of the induced earthquakes. An examination of earthquakes from eight reservoirs shows that earthquakes at six sites occur at preferred times in the ...
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Lunar tidal triggering in volcanic areas

Lettere Al Nuovo Cimento Series 2, 1985
A method that allows the determination of the lunar and solar diurnal tidal components from randomly distributed poor geophysical data, together with the corresponding level of significance, is proposed. The comparison of the results obtained separately from the analysis of a long series of continuous data and these provided by a shorter series of data
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Tidal Triggering Caught in the Act

Science, 2004
Over the past three decades, many researchers have searched for the tidal triggering of earthquakes in the hope that small triggered shocks would illuminate faults critically stressed for failure in future large earthquakes. The results have been equivocal, but not anymore, according to the Perspective by Stein.
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Tidal triggering of intermediate and deep focus earthquakes

Journal of Geophysical Research: Solid Earth, 1987
Tidal stress changes within the Earth due to the gravitational attraction of the Sun and Moon can exceed 20 mbar/h, whereas tectonic stress rates are of the order of 0.2 mbar/h. Although the absolute magnitude of tidal stresses is less than 1% of the typical stress drops observed in earthquakes, a correlation between the tidal stress history on a fault
John M. Curchin, Wayne D. Pennington
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Tidal Triggering of Earthquakes

2000
Lunar-solar tidal triggering of earthquakes has been the subject of studies for over a century since the classical work of Schuster (1897). Kanamori (1977) computed global annual seismic energy release over past seventy years, 1906–1975. Figure 7.1 shows large seismic energy release during 1950–1965.
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Is tidal forcing critical to trigger large Sumatra earthquakes?

Natural Hazards, 2014
Complexity in the earthquake mechanism is manifested in different forms such as fractal distribution, clustering of seismicity, etc., and characterized as critical phenomenon. Occurrences of earthquakes generally represent the state of metastable equilibrium.
R. K. Tiwari, Ashutosh Chamoli
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