Results 11 to 20 of about 193,810 (301)

Fast Bayesian Optimal Experimental Design for Seismic Source Inversion [PDF]

open access: yesComputer Methods in Applied Mechanics and Engineering, 2015
We develop a fast method for optimally designing experiments in the context of statistical seismic source inversion. In particular, we efficiently compute the optimal number and locations of the receivers or seismographs. The seismic source is modeled by
Long, Quan   +2 more
core   +4 more sources

Quantifying the Seismicity Parameters of A New Model of Seismic Source Zone for Aceh and Surrounding Areas

open access: yesAceh International Journal of Science and Technology, 2022
Aceh is justified as one of the Indonesian provinces with a high level of seismicity. This high seismicity certainly has a severe negative impact on various aspects of human life in Aceh and the surrounding areas. Various types of efforts must be carried
Juellyan Juellyan   +3 more
doaj   +1 more source

Study on time function of seismic source and numerical simulation data impulse processing of seismic while driving in mining

open access: yesMeitan kexue jishu, 2023
The seismic while driving technology is one of the most urgently needed geological guarantee technologies for the intelligent rapid driving development of roadways.
ZHANG Pingsong, LI Shenglin, GUO Liquan
doaj   +1 more source

Noise generation in the solid Earth, oceans, and atmosphere, from non-linear interacting surface gravity waves in finite depth [PDF]

open access: yes, 2012
Oceanic pressure measurements, even in very deep water, and atmospheric pressure or seismic records, from anywhere on Earth, contain noise with dominant periods between 3 and 10 seconds, that is believed to be excited by ocean surface gravity waves. Most
Ardhuin, Fabrice, Herbers, Thomas H. C.
core   +4 more sources

Broadband Records of Earthquakes in Deep Gold Mines and a Comparison with Results from SAFOD, California [PDF]

open access: yes, 2009
For one week during September 2007, we deployed a temporary network of field recorders and accelerometers at four sites within two deep, seismically active mines.
Boettcher, Margaret S   +7 more
core   +2 more sources

Hydrostatic Asymmetric Journal Gas Bearings for Largely Unbalanced Rotors of Seismic ACROSS Transmitters

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2007
In currently working seismic ACROSS (Accurately Controlled Routinely Operated Signal System) transmitters, an unbalanced rotor with large eccentric mass, which generates elastic waves, is supported by roller bearings.
Tomohiko ISE   +4 more
doaj   +1 more source

Introducing noisi: a Python tool for ambient noise cross-correlation modeling and noise source inversion [PDF]

open access: yesSolid Earth, 2020
We introduce the open-source tool noisi for the forward and inverse modeling of ambient seismic cross-correlations with spatially varying source spectra.
L. Ermert   +6 more
doaj   +1 more source

Seismic source in the Iberian-African plate boundary [PDF]

open access: yes, 2003
The plate boundary between Iberia and Africa has been studied using data on seismicity and focal mechanisms. The region has been divided into three areas: A; the Gulf of Cadiz; B, the Betics, Alboran Sea and northern Morocco; and C, Algeria.
Bezzeghoud, Mourad   +3 more
core   +1 more source

Seismic Hazard in Greece: A Comparative Study for the Region of East Macedonia and Thrace

open access: yesGeoHazards, 2023
Greece is located in one of the most seismically active regions in Europe. Many seismic hazard studies have been performed for various sites around Greece, at a regional or local scale.
Dimitris Sotiriadis   +3 more
doaj   +1 more source

A Portable Tunnel Electromagnetic Impulse Shock Source

open access: yesSensors, 2023
Early seismic prediction in tunnels has become a necessary task to prevent construction risks. The type and performance of the seismic source are crucial factors that affect its efficiency and prediction accuracy.
Yuning Hu   +5 more
doaj   +1 more source

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