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Research on the fault controlling mechanism of geothermal water in Zhangzhou Basin
faulted structure Hydrothermal activity Geothermal reservoir temperature Circulation depth
2018/3/23
Fault has an important influence on the storage and movement of geothermal water. The Zhangzhou Basin is wholly located in a granodiorite rock mass. Due to the low permeability of granodiorite, faulte...
Clogging mechanism in the process of reinjection of used geothermal water: A simulation research on Xianyang No.2 reinjection well in a super-deep and porous geothermal reservoir
Xianyang Super-deep and porous geothermal reservoir Reinjection Clogging mechanism
2018/3/23
In the process of geothermal exploitation and utilization, the reinjection amount of used geothermal water in super-deep and porous reservoir is small and significantly decreases over time. This has b...
The analyses focusing on formation mechanism of Nanzhangzhuang ground fissure in Hengshui City, China
Ground fissure Mechanism analysis Intersection faults Deep ground water Landform and lithology
2018/3/23
The paper focuses on the formation of Nanzhangzhuang ground fissure through emphatically analysing factors including the intersection fault dislocation, the deep ground-water over-exploitation togethe...
Researchers reproduce mechanism of slow earthquakes
Researchers reproduce mechanism slow earthquakes
2016/4/13
Up until now catching lightning in a bottle has been easier than reproducing a range of earthquakes in the laboratory, according to a team of seismologists who can now duplicate the range of fault sli...
Faulting mechanism of the Campania–Lucania 1980 earthquake, Italy, from high-resolution, 3D velocity structure, aftershock relocation, fault-plane solutions, and post-seismic deformation modeling
Campania-Lucania 1980 earthquake analyses of the post-seismic data
2015/8/27
This study performs a detailed reconstruction of the rupture mechanism of the 1980 Campania–Lucania (southern Italy) earthquake. This is achieved by relocation of the main event through computation of...
Sicily and southern Calabria focal mechanism database: a valuable tool for local and regional stress-field determination
Focal mechanisms Local seismic network Stress field
2015/8/18
In this work, we present a new catalog of focal mechanisms calculated for earthquakes recorded in Sicily and southern Calabria. It comprises about 300 solutions, for events with magnitudes ranging fro...
OU Geologist Collaborates on Study to Determine Mechanism Associated with Fault Weakening in Earthquakes
OU Geologist Collaborates on Study Mechanism Associated Fault Weakening Earthquakes
2015/5/25
A University of Oklahoma structural geologist and collaborators are studying earthquake instability and the mechanisms associated with fault weakening during slip. The mechanism of this weakening is c...
Study Proposes Common Mechanism for Shallow and Deep Earthquakes
Common Mechanism Shallow and Deep Earthquakes
2015/5/25
Earthquakes are labeled “shallow” if they occur at less than 50 kilometers depth. They are labeled “deep” if they occur at 300-700 kilometers depth. When slippage occurs during these earth...
Focal mechanism and depth of the 1956 Amorgos twin earthquakes from waveform matching of analogue seismograms
Simulation seismograms Amorgos twins earthquake volcanic arc subduction zone focal mechanism
2015/1/6
Historic analogue seismograms of the large 1956 Amorgos twin earthquakes which occurred in the volcanic arc of the Hellenic subduction zone (HSZ) were collected, digitized and reanalyzed to obtain ref...
Short-lived tectonic switch mechanism for long-term pulses of volcanic activity after mega-thrust earthquakes
Short-lived tectonic switch mechanism long-term pulses volcanic activity mega-thrust earthquakes
2015/1/6
Eruptive rates in volcanic arcs increase significantly after subduction mega-thrust earthquakes. Over short to intermediate time periods the link between mega-thrust earthquakes and arc response can b...
Tectonics and mechanism of a spreading ridge subduction at the Chile Triple Junction based on new marine geophysical data
Chile Ridge Chile Triple Junction Chile Trench Outer Gravity High slab-pull
2017/4/11
The Chile Triple Junction (CTJ), an RTT-type triple junction located at 46°13′ S, 75°48′ W off the western coast of
Chile, is characterized by the subducting Chile Ridge, which is the constructive pl...
About the Mechanism of Geyser Eruption
Mechanism of Geyser Eruption Geophysics Fluid Dynamics
2012/4/20
Essentially new physical mechanism of geyser eruption based on instability in "water-vapor" system is proposed. Necessary and sufficient conditions of eruptions are received. For group of Kamchatka ge...
Solitary wave in a Burridge-Knopoff model with slip-dependent friction as a clue to understanding the mechanism of the self-healing slip pulse in an earthquake rupture process
Solitary wave Burridge-Knopoff model slip-dependent friction earthquake rupture process
2009/11/13
A one-dimensional Burridge-Knopoff spring-block model with slip-dependent friction was studied to explore the possibility of a solitary wave solution existing for the problem of earthquake faulting. T...
On the cascade mechanism of short surface wave modulation
cascade mechanism short surface wave modulation
2009/11/12
Modulation of short surface ripples by long surface or internal waves by a cascade mechanism is considered. At the first stage, the orbital velocity of the long wave (LW) adiabatically modulates an in...
Clarification of the Hall effect as an energy transfer mechanism in a theory of the Earth’s magnetic field and sunspots
Hall effect energy transfer mechanism Earth’s magnetic field and sunspots
2009/11/12
Clarification is offered of the energy transfer role played by the Hall effect in a recent paper: de Paor, A., A theory of the Earth's magnetic field and of sunspots, based on a self-excited dynamo in...