Spatial database and website for reservoir-triggered seismicity in Brazil
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چکیده
منابع مشابه
Reservoir-induced Seismicity in China
A review of case histories of reservoir-induced seismicity (RIS) in China shows that it mainly occurs in granitic and karst terranes. Seismicity in granitic terranes is mainly associated with pore pressure diffusion whereas in karst terranes the chemical effect of water appears to play a major role in triggering RIS. In view of the characteristic features of RIS in China, we can expect moderate...
متن کاملINDUCED SEISMICITY. Seismicity triggered by fluid injection-induced aseismic slip.
Anthropogenic fluid injections are known to induce earthquakes. The mechanisms involved are poorly understood, and our ability to assess the seismic hazard associated with geothermal energy or unconventional hydrocarbon production remains limited. We directly measure fault slip and seismicity induced by fluid injection into a natural fault. We observe highly dilatant and slow [~4 micrometers pe...
متن کاملOn the Nature of Reservoir-induced Seismicity
In most cases of reservoir-induced seismicity, seismicity follows the impoundment, large lake-level changes, or filling at a later time above the highest water level achieved until then. We classify this as initial seismicity. This ‘‘initial seismicity’’ is ascribable to the coupled poroelastic response of the reservoir to initial filling or water level changes. It is characterized by an increa...
متن کاملForeshocks Explained by Cascades of Triggered Seismicity
The observation of foreshocks preceding large earthquakes and the suggestion that foreshocks have specific properties that may be used to distinguish them from other earthquakes have raised the hope that large earthquakes may be predictable. Among proposed anomalous properties are the larger proportion than normal of large versus small foreshocks, the power law acceleration of seismicity rate a...
متن کاملImportance of direct and indirect triggered seismicity in the ETAS model of seismicity
Using the simple ETAS branching model of seismicity, which assumes that each earthquake can trigger other earthquakes, we quantify the role played by the cascade of triggered seismicity in controlling the rate of aftershock decay as well as the overall level of seismicity in the presence of a constant external seismicity source. We show that, in this model, the fraction of earthquakes in the po...
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ژورنال
عنوان ژورنال: Natural Hazards and Earth System Sciences
سال: 2020
ISSN: 1684-9981
DOI: 10.5194/nhess-20-2001-2020