Results 71 to 80 of about 31,956 (218)

Seismicity and regional tectonics of the Estremadura, Southwestern Portugal [PDF]

open access: yes, 1989
The RESTE Project was an integrated geophysical-geological study of the Estremadura, southwestern Portugal. The core of the programme consisted of the acquisition and analysis of microearthquake data.
Fonseca, Joāo F.B. Duarte
core  

About the Kansas Induced Seismicity State Task Force [2014]

open access: yes, 2014
Web page converted to pdf on November 13 ...
Kansas Induced Seismicity State Task Force.
core  

Self-induced seismicity due to fluid circulation along faults

open access: yes, 2014
International audienceIn this article, we develop a system of equations describing fluid migration, fault rheology, fault thickness evolution and shear rupture during a seismic cycle, triggered either by tectonic loading or by fluid injection.
Schmittbuhl, Jean   +4 more
core   +1 more source

Performance evaluation of Wied Dalam (WDD) seismic station in Malta [PDF]

open access: yes, 2014
The continual operation of a permanent seismograph, now exceeding a couple of decades in some cases, naturally involves changes of hardware and software over time.
Panzera, Francesco   +3 more
core   +1 more source

Rock Stability Assessment Based on the Chronological Order of the Characteristic Acoustic Emission Phenomena

open access: yesShock and Vibration, 2018
Sudden inelastic deformations in rock are associated with acoustic emission (AE). Therefore, AE monitoring technique can be used to study the fracture processes of rock.
Penghai Zhang   +5 more
doaj   +1 more source

Preliminary Study on High-Energy and Low-Energy Microfracture Event Evolution Characteristics in the Development Process of Rock Failure

open access: yesGeofluids, 2020
The evolution characteristics of high-energy and low-energy microfracture events play an important role in the brittle failure mechanism of rock and reasonable microseismic (MS) monitoring and acoustic emission (AE) monitoring.
Guofeng Yu   +5 more
doaj   +1 more source

State Task Force on Induced Seismicity Releases Draft State Action Plan [2014]

open access: yes, 2014
April 17 ...
Kansas Induced Seismicity State Task Force.
core  

Rheological control of Wadati-Benioff zone seismicity

open access: yes, 1988
Intermediate and deep focus earthquakes in Wadati-Benioff zones are thought to occur in the cold interiors of downgoing slabs which are significantly stronger than the warmer mantle.
Brodholt, J, Stein, S
core  

Theme IV – Understanding Seismicity Catalogs and Their Problems Catalog artifacts and quality control

open access: yes, 2010
Man-made contaminations and heterogeneity of reporting are present in all earthquake catalogs. Often they are quite strong and introduce errors in statistical analyses of the seismicity.
S. Wiemer, L. Gulia, M. Wyss
core   +1 more source

Modeling of Fiber Optic Strain Responses to Shear Deformation of Fractures

open access: yesEnergies
Identifying distributed strain sensing (DSS) patterns (or signatures), particularly those arising from different hydraulic fracture geometries, has gained significant attention and research effort.
Ruwantha Ratnayake, Ahmad Ghassemi
doaj   +1 more source

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