Results 1 to 10 of about 2,601 (97)

Cooperative P-Wave Velocity Measurement with Full Waveform Moment Tensor Inversion in Transversely Anisotropic Media [PDF]

open access: yesSensors, 2022
Precise stochastic approaches to quantitatively calculate the source uncertainties offers the opportunity to eliminate the influence of anisotropy on moment tensor inversion.
Ju Ma, Shuang Wu, Yuan Zhao, Guoyan Zhao
doaj   +2 more sources

Study on failure mechanism of tight sandstone based on moment tensor inversion [PDF]

open access: yesHeliyon, 2023
Understanding deep rocks' mechanical properties and failure evolution is crucial for efficient resource development. This study investigates the mechanical properties of tight sandstone and analyzes its acoustic emission (AE) characteristics using a ...
Yike Dang, Zheng Yang, Haiyan Zhu
doaj   +2 more sources

Uncovering the complexity of source mechanism in an anisotropic coal mine using sequential inversion [PDF]

open access: yesScientific Reports
Accurate characterisation of seismic source mechanisms in mining environments is crucial for effective hazard mitigation, but it is complicated by the presence of anisotropic geological conditions. Neglecting anisotropic effects during moment tensor (MT)
Chun-Hui Song   +7 more
doaj   +2 more sources

Rupture Characteristics Analysis of the 2020 Mw 7.4 Oaxaca, Mexico Earthquake Using Teleseismic, High-Rate GPS, and InSAR Data

open access: yesFrontiers in Earth Science, 2022
The June 23 2020 Oaxaca Mw 7.4 interplate thrust earthquake struck the state of Oaxaca in Mexico, generating strong shaking and a long-lived tsunami.
Guisen Wen   +4 more
doaj   +1 more source

How to Assess the Moment Tensor Inversion Resolution for Mining Induced Seismicity: A Case Study for the Rudna Mine, Poland

open access: yesFrontiers in Earth Science, 2021
Underground exploitation of georesources can be highly correlated with induced seismic activity. In order to reduce the risk and improve the mining operations safety, the mining activity is monitored by a dedicated seismic network.
Alicja Caputa   +2 more
doaj   +1 more source

Effect of sensor calibration on moment tensor analysis of granite uniaxial compression

open access: yesRock and Soil Mechanics, 2021
Moment tensor inversion theory is an effective method to study the rock failure mechanism. However, the inversion results are prone to large errors, which can mislead the understanding of fracture mechanism.
REN Yi   +3 more
doaj   +1 more source

GPU-acceleration 3D rotated-staggered-grid solutions to microseismic anisotropic wave equation with moment tensor implementation

open access: yesInternational Journal of Mining Science and Technology, 2023
To improve the accuracy of microseismic inversion, seismic anisotropy and moment tensor source should be carefully considered in the forward modelling stage. In this study, 3D microseismic anisotropy wave forward modelling with a moment tensor source was
Jing Zheng   +3 more
doaj   +1 more source

Near Real-Time Detection and Moment Tensor Inversion of the 11 May 2022, Dharchula Earthquake

open access: yesGeoHazards, 2023
On 11 May 2022, an earthquake of Mw 5.2 occurred in the Dharchula region of Uttarakhand Himalayas, India. The Uttarakhand State Earthquake Early Warning System (UEEWS) detected and transmitted the warning within 11.61 s from the origin time, taking only ...
Pankaj Kumar   +6 more
doaj   +1 more source

Microseismic Monitoring at the Farnsworth CO2-EOR Field

open access: yesEnergies, 2023
The Farnsworth Unit in northern Texas is a field site for studying geologic carbon storage during enhanced oil recovery (EOR) using CO2. Microseismic monitoring is essential for risk assessment by detecting fluid leakage and fractures.
Yan Qin   +15 more
doaj   +1 more source

Microscopic Failure Mechanism Analysis of Rock Under Dynamic Brazilian Test Based on Acoustic Emission and Moment Tensor Simulation

open access: yesFrontiers in Physics, 2021
The dynamic tensile failure of rock is a main failure mode in deep underground engineering projects. The microscopic failure mechanism analysis of this failure mode plays a key role in dynamic disaster warning.
Zilong Zhou   +4 more
doaj   +1 more source

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