The June 2022 Afghanistan earthquake M W 6.2: Tectonic implications and Coulomb stress change [PDF]
Abstract The June 21, 2022 strong earthquake Mw 6.2 occurred nearly 165 km southeast of Kabul city, Afghanistan, and caused more than 1000 casualties and huge property losses. An untimely occurrence of the shallow focus event (~ 10 km, USGS report) at mid-night when people were asleep and the poor constructed houses caused so many casualties ...
Santanu Baruah +7 more
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Coulomb Stress Change of the 2004 Aceh Earthquake on Mount Sorik Marapi 2021
Sorik Marapi is an active volcanic mountain with an altitude of 2,145 meters located in Batang Gadis National Park, Sibanggor Julu Village, Mandailing Natal Regency, North Sumatra, Indonesia.
Goldberd Harmuda Duva Sinaga +3 more
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Analysis of Seismicity Level and Coulomb Stress Changes in the Central Sulawesi Region in 1996-2022
Central Sulawesi is an area that is prone to earthquakes. The movement of the Palu Koro Fault is the trigger for most of the destructive earthquakes in the Central Sulawesi region.
Lailatul Husna Lubis +2 more
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Spatial distribution of aftershocks has been explained by the co‐seismic static Coulomb Failure Stress changes (ΔCFS) to some extent. In practice, the earth's crust is porous medium saturated with fluid filling pores, cavities, cracks, and faults.
Miao Miao +5 more
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The role of Coulomb stress changes for injection‐induced seismicity: The Basel enhanced geothermal system [PDF]
AbstractWe estimate Coulomb stress variations (ΔCFS) by considering interactions among 163 earthquakes (ML ≤ 3.4) that occurred during the hydraulic stimulation of the enhanced geothermal system in Basel, Switzerland, in 2006. We observe that overall 75% of event locations are consistent with positive ΔCFS.
Flaminia Catalli +2 more
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Coulomb stress changes at calderas: Modeling the seismicity of Campi Flegrei (southern Italy) [PDF]
The local seismicity occurring at Campi Flegrei caldera during a recent unrest (1982–1984) has been modeled in terms of Coulomb stress changes due to magma chamber overpressure, superimposed on a background tensile regional stress. The computations, performed by a finite element method in heterogeneous axial‐symmetric elastic models, also take into ...
Claudia Troise +2 more
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Aftershocks in Stress Shadows are Inconsistent with Modeled Static Coulomb Stress Changes
Aftershock triggering is commonly attributed to increases in static Coulomb stress. In some areas, termed "stress shadows", a decrease in Coulomb stress is predicted to suppress earthquake occurrence.
Jeanne Hardebeck, Ruth Harris
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ESTIMATION OF STATIC COULOMB STRESS CHANGE AND STRONG MOTION SIMULATION FOR JIUZHAIGOU 7.0 EARTHQUAKE BASE ON SENTINEL-1 INSAR DATA INVERSION [PDF]
On August 8, 2017, an earthquake of M 7.0 occurred at Jiuzhaigou. Based on the Sentinel-1 satellite InSAR data, we obtained coseismic deformation field and inverted the source slip model.
W. H. Shen, Y. Luo, Q. S. Jiao
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The Role of Coseismic Coulomb Stress Changes in Shaping the Hard Link Between Normal Fault Segments [PDF]
AbstractThe mechanism and evolution of fault linkage is important in the growth and development of large faults. Here we investigate the role of coseismic stress changes in shaping the hard links between parallel normal fault segments (or faults), by comparing numerical models of the Coulomb stress change from simulated earthquakes on two en echelon ...
Michael Hodge +2 more
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<p>Sufficient shreds of evidence have proved the existence of the remote triggering effect of large earthquakes. To understand its mechanism, it is necessary to conduct detailed investigations on the influence of the far-field dynamic stress changes on the stress state of faults.
Fuzhen Li +4 more
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