Results 11 to 20 of about 908 (240)

A new procedure for evaluating light-to-moderate earthquake location based on InSAR data and forward modeling tested on Mediterranean area

open access: yesScience of Remote Sensing, 2022
We propose a procedure based on remote sensing Sentinel-1 InSAR data aiming at evaluating the variability of the moment tensor solutions provided by different agencies in case of light-to-moderate earthquake.
M. Polcari, S. Atzori, I. Munafò
doaj   +1 more source

Seismic moment tensor event screening

open access: yesGeophysical Journal International, 2020
SUMMARY Event screening is an explosion monitoring practice that aims to identify an event as an explosion (‘screened in’) or not (‘screened out’). Confidence in event screening can be increased if multiple independent approaches are used.
Sean R Ford   +2 more
openaire   +2 more sources

Investigating Factors Influencing Moment Tensor Inversion of Induced Seismicity in Virtual IoT

open access: yesIEEE Access, 2019
The Internet of Things (IoT) for seismicity in underground mine consists of a combination of sensor network hardware and software, which allows the collection of seismic data and data processing for basic event parameters.
Feiyue Wang   +4 more
doaj   +1 more source

Moment tensor analysis of transversely isotropic shale based on the discrete element method

open access: yesInternational Journal of Mining Science and Technology, 2017
In this study, the moment tensor of transversely isotropic shale was analyzed using a discrete element method-acoustic emission model (DEM-AE model). Firstly, the failure modes of the shale obtained from the acoustic emission (AE) events and physical ...
Zhaohui Chong   +4 more
doaj   +1 more source

The impact of topography on seismic amplification during the 2005 Kashmir earthquake [PDF]

open access: yesNatural Hazards and Earth System Sciences, 2020
Ground surface topography influences the spatial distribution of earthquake-induced ground shaking. This study shows the influence of topography on seismic amplification during the 2005 Kashmir earthquake.
S. Khan   +4 more
doaj   +1 more source

An explosive component in a December 2020 Milan earthquake suggests outgassing of deeply recycled carbon

open access: yesCommunications Earth & Environment, 2022
A deep, magnitude 4.6 earthquake, beneath Milan, Italy, in December 2020 involved a major explosive component that may indicate outgassing of carbon dioxide from ascending carbonate-rich melts, according to moment tensor inversion of the seismic source.
Marco Giovanni Malusà   +5 more
doaj   +1 more source

Seismic moment tensors and kinematic source parameters [PDF]

open access: yesGeophysical Journal International, 1982
Summary. Parameters pertaining to the kinematics of a finite source are usually estimated by fitting specific fault models to the data. On the other hand, these parameters, including source location, are also contained in the moment tensors of higher degree.
openaire   +2 more sources

Relative moment tensors and deep Yakutat seismicity [PDF]

open access: yesGeophysical Journal International, 2019
SUMMARYWe introduce a new relative moment tensor (MT) inversion method for clusters of nearby earthquakes. The method extends previous work by introducing constraints from S-waves that do not require modal decomposition and by employing principal component analysis to produce robust estimates of excitation.
Alexandre P Plourde, Michael G Bostock
openaire   +1 more source

Identification of Hydraulic Fracture Orientation from Ground Surface Using the Seismic Moment Tensor

open access: yesGeoresursy, 2017
Microseismic monitoring from ground surface is applied in the development of hard-to-recover reserves, especially in the process of hydraulic fracturing (HF).
E.V. Birialtcev   +6 more
doaj   +1 more source

Matched filtering for the seismic moment tensor

open access: yesGeophysical Research Letters, 1976
By a process of matched filtering it is possible to deconvolve a small number of acceleration or strain records for the moment rate tensor of a seismic source. Theoretically, one horizontal accelerometer (or strain meter) or two vertical accelerometers is sufficient. Practically, five to ten records can be shown to suffice.
Ray Buland, Freeman Gilbert
openaire   +1 more source

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