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Statements

Subject Item
n2:RIV%2F67985891%3A_____%2F11%3A00371575%21RIV12-AV0-67985891
rdf:type
n10:Vysledek skos:Concept
rdfs:seeAlso
http://www.irsm.cas.cz/abstracts/AGG/04_11/8_Strunc.pdf
dcterms:description
The NKCA and KVCA small-aperture ( 90 m) seismic arrays in western Bohemia represent the second deployment of this type in the Czech Republic. The arrays have a regular triangular geometric configuration with high gain three-component seismographs in each corner of the triangle. This allows very weak local earthquakes to be detected with a high degree of precision and, thereby, substantially enhances the results of the pre-existing local seismic network (WEBNET). This paper reports on the pilot measurement period. It summarises the final configuration of the arrays and compares the derived results. The measured data have been analysed using the DP/EP system developed by NORSAR. This incorporates several array techniques such as beamforming, f-k analysis, and the cross-correlation method. It has been shown that during the study period, the levels of seismic activity recorded by the seismic arrays were up to fifteen times greater than the levels recorded by the pre-existing seismic network. The NKCA and KVCA small-aperture ( 90 m) seismic arrays in western Bohemia represent the second deployment of this type in the Czech Republic. The arrays have a regular triangular geometric configuration with high gain three-component seismographs in each corner of the triangle. This allows very weak local earthquakes to be detected with a high degree of precision and, thereby, substantially enhances the results of the pre-existing local seismic network (WEBNET). This paper reports on the pilot measurement period. It summarises the final configuration of the arrays and compares the derived results. The measured data have been analysed using the DP/EP system developed by NORSAR. This incorporates several array techniques such as beamforming, f-k analysis, and the cross-correlation method. It has been shown that during the study period, the levels of seismic activity recorded by the seismic arrays were up to fifteen times greater than the levels recorded by the pre-existing seismic network.
dcterms:title
The detection of weak earthquakes in the western Bohemian swarm area through the deployment of seismic arrays The detection of weak earthquakes in the western Bohemian swarm area through the deployment of seismic arrays
skos:prefLabel
The detection of weak earthquakes in the western Bohemian swarm area through the deployment of seismic arrays The detection of weak earthquakes in the western Bohemian swarm area through the deployment of seismic arrays
skos:notation
RIV/67985891:_____/11:00371575!RIV12-AV0-67985891
n10:predkladatel
n17:ico%3A67985891
n3:aktivita
n4:Z
n3:aktivity
Z(AV0Z30460519)
n3:cisloPeriodika
4
n3:dodaniDat
n7:2012
n3:domaciTvurceVysledku
n15:9206957 n15:5380774
n3:druhVysledku
n9:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n5:predkladatel
n3:idSjednocenehoVysledku
193735
n3:idVysledku
RIV/67985891:_____/11:00371575
n3:jazykVysledku
n14:eng
n3:klicovaSlova
weak earthquakes; seismic array; small aperture
n3:klicoveSlovo
n18:small%20aperture n18:weak%20earthquakes n18:seismic%20array
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[B39F3D036A85]
n3:nazevZdroje
Acta geodynamica et geomaterialia
n3:obor
n8:DC
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n7:2011
n3:svazekPeriodika
8
n3:tvurceVysledku
Brož, Milan Štrunc, Jaroslav
n3:wos
000299445900008
n3:zamer
n13:AV0Z30460519
s:issn
1214-9705
s:numberOfPages
9