Search Results - "Harrington, Rebecca M."
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Poroelastic stress triggering of the December 2013 Crooked Lake, Alberta, induced seismicity sequence
Published in Geophysical research letters (28-08-2016)“…The Crooked Lake area in Central Alberta, Canada, became seismically active in December 2013 with a sequence of earthquakes Mw 2.0 and higher. The earthquakes…”
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Fluid-injection-induced earthquakes characterized by hybrid-frequency waveforms manifest the transition from aseismic to seismic slip
Published in Nature communications (25-11-2021)“…Aseismic slip loading has recently been proposed as a complementary mechanism to induce moderate-sized earthquakes located within a few kilometers of the…”
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Stress drop estimates and hypocenter relocations of induced seismicity near Crooked Lake, Alberta
Published in Geophysical research letters (16-07-2016)“…We use a sequence of induced earthquakes near Crooked Lake, Alberta, to investigate the physical differences between induced and tectonic earthquakes. Starting…”
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Subduction megathrust heterogeneity characterized from 3D seismic data
Published in Nature geoscience (01-05-2020)“…Megathrust roughness and structural complexity are thought to be controls on earthquake slip at subduction zones because they result in heterogeneity in shear…”
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Discriminating induced seismicity from natural earthquakes using moment tensors and source spectra
Published in Journal of geophysical research. Solid earth (01-02-2016)“…Earthquake source mechanisms and spectra can provide important clues to aid in discriminating between natural and induced events. In this study, we calculate…”
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Earthquake Stress Drop in the Charlevoix Seismic Zone, Eastern Canada
Published in Geophysical research letters (28-11-2018)“…Stress drop scaling relations of earthquakes in intraplate seismic zones are less well constrained, partly due to less dense instrumentation and lower…”
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Complex 3D Migration and Delayed Triggering of Hydraulic Fracturing‐Induced Seismicity: A Case Study Near Fox Creek, Alberta
Published in Geophysical research letters (28-01-2022)“…Earthquakes resulting from hydraulic fracturing (HF) can have delayed triggering relative to injection commencement over a varied range of time scales, with…”
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Small Magnitude Events Highlight the Correlation Between Hydraulic Fracturing Injection Parameters, Geological Factors, and Earthquake Occurrence
Published in Geophysical research letters (16-11-2022)“…Hydraulic fracturing (HF) operations are widely associated with induced seismicity in the Western Canadian Sedimentary Basin. This study correlates injection…”
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Isolated cases of remote dynamic triggering in Canada detected using cataloged earthquakes combined with a matched-filter approach
Published in Geophysical research letters (16-07-2015)“…Here we search for dynamically triggered earthquakes in Canada following global main shocks between 2004 and 2014 with MS > 6, depth < 100 km, and estimated…”
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Spatio‐Temporal Evolution of Earthquake Static Stress Drop Values in the 2016–2017 Central Italy Seismic Sequence
Published in Journal of geophysical research. Solid earth (01-11-2021)“…The static stress drop of an earthquake is an indicator of the stress state of a specific fault before rupture initiation. The stress state is primarily…”
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Well Proximity Governing Stress Drop Variation and Seismic Attenuation Associated With Hydraulic Fracturing Induced Earthquakes
Published in Journal of geophysical research. Solid earth (01-09-2020)“…We use broadband seismic data collected within 3 km of a hydraulic fracturing (HF) well in northeast British Columbia, Canada, to estimate the stress drop…”
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12
Volcanic hybrid earthquakes that are brittle-failure events
Published in Geophysical research letters (28-03-2007)“…Volcanoes generate a variety of pre‐eruptive low‐frequency seismic signals. Hybrid earthquakes comprise a class of these signals having high‐frequency onsets…”
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13
Quantifying Site Effects and Their Influence on Earthquake Source Parameter Estimations Using a Dense Array in Oklahoma
Published in Journal of geophysical research. Solid earth (01-09-2023)“…We investigate the effects of site response on source parameter estimates using earthquakes recorded by the LArge‐n Seismic Survey in Oklahoma (LASSO). While…”
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14
The Weisweiler passive seismological network: optimised for state-of-the-art location and imaging methods
Published in Earth system science data (29-06-2023)“…Passive seismic analyses are a key technology for the exploration and monitoring of subsurface reservoirs. Searching for alternative resources in the framework…”
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Analysis of laboratory simulations of volcanic hybrid earthquakes using empirical Green's functions
Published in Journal of Geophysical Research: Solid Earth (01-11-2011)“…Here we present a new analysis of experimental simulations of the seismic signals characteristically observed in volcanic environments. We examine the…”
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Induced Earthquake Families Reveal Distinctive Evolutionary Patterns Near Disposal Wells
Published in Journal of geophysical research. Solid earth (01-09-2018)“…The timing of events in seismic sequences can provide insights into the physical processes controlling fault slip. In southern Kansas, the rate of earthquakes…”
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Self-similar rupture implied by scaling properties of volcanic earthquakes occurring during the 2004-2008 eruption of Mount St. Helens, Washington
Published in Journal of geophysical research. Solid earth (01-07-2015)“…We analyze a group of 6073 low‐frequency earthquakes recorded during a week‐long temporary deployment of broadband seismometers at distances of less than 3 km…”
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Volcanic hybrid earthquakes that are brittle-failure events
Published in Geophysical research letters (28-03-2007)Get full text
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Depth‐Dependent Crustal Stress Rotation and Strength Variation in the Charlevoix Seismic Zone (CSZ), Québec, Canada
Published in Geophysical research letters (28-11-2022)“…Intraplate tectonic stress fields are complex due to the imprint of a long geological history. Here we use a new data set of earthquake focal mechanism…”
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Fluid‐Earthquake and Earthquake‐Earthquake Interactions in Southern Kansas, USA
Published in Journal of geophysical research. Solid earth (01-03-2021)“…An increase in injection activity associated with energy production in southern Kansas starting in 2013 has been linked to the occurrence of more than 130,000…”
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