Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 250 for “"seismicity"”.
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Improving statistical seismicity models
Several mechanisms are proposed to be part of the earthquake triggering process, including static stress interactions and dynamic stress transfer. Significant differences of these mechanisms are particularly expected in the spatial distribution of aftershocks. However, testing the different …
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Seismicity of Libya and related problems
The seismicity of Libya was investigated. Available data of earthquakes, which have occurred in or near Libya during the period 262 A.D. to 1982, have been collected. These data together with geological information are used to investigate the nature of seismic activity and its relationship to the …
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Seismicity near the Chatfield Dam, Denver, Colorado
Includes bibliographical references.
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The structure and seismicity of Icelandic rifts
… rift zones. My analysis of persistent seismicity located in an intervening region between individual spreading segments, uniquely records the segmentation of plate spreading on the scale of individual volcanic systems. Precise location and characterisation of micro-earthquakes …
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Statistical analysis of seismicity in intraplate regions
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1989.
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Study of induced seismicity for reservoir characterization
… and unconventional reservoirs through passive seismicity. The dissertation is comprised of the development and applications of three new methods, each of which focuses on a different aspect of fractures/faults and the resulting seismicity. In general, the thesis work discusses reservoir …
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Active tectonics and seismicity of New Guinea
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1990.
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Seismicity of the Bath County, Virginia locale
Thirty-nine construction blasts were monitored by mobile and fixed seismic arrays to develop a crustal velocity model in the Bath County, Virginia locale (June-August, 1982). The results indicate an upper-layer with P and S velocities of 5.45 km/sec and 3.07 km/sec respectively, and a thickness 3 …
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Statistical analysis of natural and induced seismicity catalogues
… Ukazujeme však, že katalogy indukované seismicity jsou svých chováním shodné s přírodními zemětřesnými roji. Dále shrnujeme zhodnocení fungování studované skupiny šesti kritérií na odlišení sekvencí mainshock-aftershock a zemětřesných rojů. Poukazujeme na to, že žádné z testovaných …
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Geomechanics of injection-induced seismicity in Illinois basin
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-08-01
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Seismicity and structure of the Orozco transform fault
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Science, 1982.
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Mathematical and Computational Modeling of Injection-induced Seismicity
… in Rangely, Colorado. More recently, induced seismicity has been reported worldwide in connection with many subsurface technologies, including wastewater disposal, natural gas storage, enhanced geothermal systems, and hydraulic fracturing. As a result, there has been a growing public concern …
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Analysis and modeling of induced seismicity in petroleum reservoirs
Since 1998, a producing oil field in Oman has been experiencing microearthquake activity. The aim of this project is to compare numerical models of wave propagation using simple source representations to a small subset of these microearthquakes, with three goals in mind: 1) to understand whether …
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Evidence of Hydro-Seismicity in the Tennessee Seismic Zone
… counts provides strong evidence of hydro-seismicity occurring in the ETSZ from seasonal fluctuations in reservoir level and discharge flow.
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Seismicity, tectonics, and surface wave propagation in the central Andes
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Sciences, 1983.
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A study of seismicity and earthquake swarms in the Central Mediterranean
A study has been made of the seismicity taking place in the Central Mediterranean region during the last 7 years (1996 -2002). 118 earthquakes recorded at Wied Dalam Broadband seismic station, Malta, have been studied and the magnitude-frequency statistics were calculated for the whole region. …
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Monitoring induced seismicity near the Wellington oil field, South-Central Kansas
Seismicity in the United States midcontinent has increased by orders of magnitude over the past decade. Spatiotemporal correlations of seismicity to wastewater injection operations have suggested that injection-related pore fluid pressure increases are inducing the earthquakes. In this …
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Magnitude correlations and criticality in a self-similar model of seismicity
… proposed self-similar aftershock rates model of seismicity whose main distinguishing feature arises as a consequence of the dependency of the rates on the magnitude difference between trigger-triggered events. By means of a particular statistical measure we studied the level of magnitude …
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Earthquake source parameters, seismicity, and tectonics of the oceanographer transform fault
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Science, 1982.
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A preliminary study on the relation between polar wandering and seismicity
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Geology and Geophysics, 1963.
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