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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F13%3A10173805%21RIV14-MSM-11310___
rdf:type
n16:Vysledek skos:Concept
rdfs:seeAlso
http://dx.doi.org/10.1007/s10950-013-9357-4
dcterms:description
The relative locations of earthquake hypocentres determined with the master-event (ME) or the double-difference (DD) methods are more accurate and less dispersive compared to the absolute locations. In this paper, we conduct synthetic tests to assess the accuracy of the ME and DD location methods, to study the effects of the control parameters on the locations and possible distortions of the foci geometry. The results indicate that the DD locations are, in general, more accurate than the ME locations and perform significantly better for large earthquake clusters due to their independence of the master event position. The location precision, however, strongly depends on the control parameters used. If the control parameters are optimally chosen, the location errors can be considerably reduced. Moreover, it is proved that no distortion such as artificial clustering of foci is introduced if relative locations are used. Finally, the efficiency of both location methods is exemplified on locations of swarm micro-earthquakes that occurred in the West Bohemia region, Czech Republic, in order to reveal a detailed geometry of the active fault zone. The relative locations of earthquake hypocentres determined with the master-event (ME) or the double-difference (DD) methods are more accurate and less dispersive compared to the absolute locations. In this paper, we conduct synthetic tests to assess the accuracy of the ME and DD location methods, to study the effects of the control parameters on the locations and possible distortions of the foci geometry. The results indicate that the DD locations are, in general, more accurate than the ME locations and perform significantly better for large earthquake clusters due to their independence of the master event position. The location precision, however, strongly depends on the control parameters used. If the control parameters are optimally chosen, the location errors can be considerably reduced. Moreover, it is proved that no distortion such as artificial clustering of foci is introduced if relative locations are used. Finally, the efficiency of both location methods is exemplified on locations of swarm micro-earthquakes that occurred in the West Bohemia region, Czech Republic, in order to reveal a detailed geometry of the active fault zone.
dcterms:title
Accuracy of the master-event and double-difference locations: synthetic tests and application to seismicity in West Bohemia, Czech Republic Accuracy of the master-event and double-difference locations: synthetic tests and application to seismicity in West Bohemia, Czech Republic
skos:prefLabel
Accuracy of the master-event and double-difference locations: synthetic tests and application to seismicity in West Bohemia, Czech Republic Accuracy of the master-event and double-difference locations: synthetic tests and application to seismicity in West Bohemia, Czech Republic
skos:notation
RIV/00216208:11310/13:10173805!RIV14-MSM-11310___
n16:predkladatel
n21:orjk%3A11310
n3:aktivita
n6:P n6:Z n6:I
n3:aktivity
I, P(GAP210/12/1491), P(IAA300120905), P(LM2010008), Z(MSM0021620855)
n3:cisloPeriodika
3
n3:dodaniDat
n10:2014
n3:domaciTvurceVysledku
n14:8908168
n3:druhVysledku
n22:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
59321
n3:idVysledku
RIV/00216208:11310/13:10173805
n3:jazykVysledku
n17:eng
n3:klicovaSlova
Seismicity; Locations; Faults; Earthquake swarm; Earthquakes
n3:klicoveSlovo
n9:Seismicity n9:Locations n9:Earthquakes n9:Faults n9:Earthquake%20swarm
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[F1D5AA82043C]
n3:nazevZdroje
Journal of Seismology
n3:obor
n18:DC
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:projekt
n20:GAP210%2F12%2F1491 n20:LM2010008 n20:IAA300120905
n3:rokUplatneniVysledku
n10:2013
n3:svazekPeriodika
17
n3:tvurceVysledku
Bouchaala, Fateh Fischer, Tomáš Vavrycuk, Václav
n3:wos
000320284300002
n3:zamer
n19:MSM0021620855
s:issn
1383-4649
s:numberOfPages
19
n15:doi
10.1007/s10950-013-9357-4
n8:organizacniJednotka
11310