Micro-seismic source location determined by a modified objective function
Sign Up to like & getrecommendations! Published in 2019 at "Engineering with Computers"
DOI: 10.1007/s00366-019-00800-6
Abstract: The exact localization of micro-seismic sources is of significant importance in micro-seismic monitoring technology. The methods determining arrival time and time difference of micro-seismic source locations in engineering are introduced. The factors affecting the accuracy… read more here.
Keywords: objective function; source; micro seismic; source location ... See more keywords
Seismic source characteristics of the 2016 Pedernales-Ecuador earthquake (Mw 7.8)
Sign Up to like & getrecommendations! Published in 2021 at "Physics of the Earth and Planetary Interiors"
DOI: 10.1016/j.pepi.2021.106670
Abstract: Abstract The 2016 Pedernales earthquake (Mw 7.8), is part of the sequence of large earthquakes in Ecuador and Colombia: 1906 (~8.8 Mw), 1942 (Mw 7.8), 1958 (Mw 7.7), 1979 (Mw 8.2), all these events with… read more here.
Keywords: earthquake; source characteristics; seismic source; source ... See more keywords
Multi-phase seismic source imprint of tropical cyclones
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DOI: 10.1038/s41467-021-22231-y
Abstract: The coupling between the ocean activity driven by winds and the solid Earth generates seismic signals recorded by seismometers worldwide. The 2–10 s period band, known as secondary microseism, represents the largest background seismic wavefield.… read more here.
Keywords: source imprint; phase seismic; seismic source; multi phase ... See more keywords
Vertical force scaling in seismic source models of underground nuclear explosions
Sign Up to like & getrecommendations! Published in 2020 at "Geophysical Journal International"
DOI: 10.1093/gji/ggz582
Abstract: We have reanalysed observations of body waves and surface waves for 71 well-recorded underground nuclear explosions (UNEs) that were conducted between 1977 and 1989 at the Balapan subregion of the Semipalatinsk Test Site in Kazakhstan.… read more here.
Keywords: nuclear explosions; force scaling; underground nuclear; vertical force ... See more keywords
Gusev’s Stochastic Model for the Seismic Source: High-Frequency Behavior in the Far Zone
Sign Up to like & getrecommendations! Published in 2020 at "Izvestiya, Physics of the Solid Earth"
DOI: 10.1134/s1069351320010085
Abstract: Abstract This paper discusses local features in the source function that generate in the far zone simultaneously (a) a quadratic decay of the source spectrum and (b) the loss of radiation directivity at high frequencies.… read more here.
Keywords: seismic source; model seismic; source; far zone ... See more keywords
Influence of Seismic Source Parameters on the Excitation Wavelet in Seismic Explorations Based on Numerical Simulation
Sign Up to like & getrecommendations! Published in 2020 at "Advances in Civil Engineering"
DOI: 10.1155/2020/8836022
Abstract: Explosives are the most common seismic source in seismic explorations, whose excitation effect is closely associated with their properties, weight, buried depth, and charging constitution. This study analyzes the influence of seismic source parameters on… read more here.
Keywords: buried depth; source; seismic explorations; influence seismic ... See more keywords
Probabilistic seismic source location and magnitude via inverse analysis of paleoliquefaction evidence
Sign Up to like & getrecommendations! Published in 2022 at "Earthquake Spectra"
DOI: 10.1177/87552930211056355
Abstract: In regions of infrequent moderate-to-large earthquakes, historic earthquake catalogs are often insufficient to provide inputs to seismic-hazard analyses (i.e. fault locations and magnitude–frequency relations) or to inform ground-motion predictions for certain seismic sources. In these… read more here.
Keywords: location; magnitude; paleoliquefaction; evidence ... See more keywords
Seismic Source Zones for Site-Specific Probabilistic Seismic Hazard Analysis: The Very Real Questions Raised by Virtual Fault Ruptures
Sign Up to like & getrecommendations! Published in 2023 at "Seismological Research Letters"
DOI: 10.1785/0220230037
Abstract: Site-specific probabilistic seismic hazard analyses (PSHAs) very often include areal source zones to represent diffuse seismicity that cannot be associated with known geological faults. Most modern ground-motion prediction models use distance metrics that are defined… read more here.
Keywords: specific probabilistic; source; fault; seismic source ... See more keywords
Low frequency seismic source investigation in volcanic environment: the Mt. Vesuvius atypical case
Sign Up to like & getrecommendations! Published in 2020 at "Advances in Geosciences"
DOI: 10.5194/adgeo-52-29-2020
Abstract: Abstract. We present a detailed analysis of the low frequency seismicity occurred at Mt. Vesuvius in the time range 2003–2018. This kind of seismicity is atypical for the volcano and poorly studied, therefore we characterized… read more here.
Keywords: source investigation; frequency; frequency seismic; seismic source ... See more keywords