Some features of aftershock patterns in Greece
A quantitative study of 12 aftershock sequences, which occurred in Greece and the surrounding regions from 1971 to 1980, has been made. The aim of the study was to investigate the temporal pattern of each aftershock sequence and to examine the possibility of ‘predicting’ the largest aftershock. The...
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| Autor*in: |
Drakatos, G. [verfasserIn] Latoussakis, J. [verfasserIn] |
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| Format: |
E-Artikel |
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| Erschienen: |
Oxford, UK: Blackwell Publishing Ltd ; 1996 |
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| Umfang: |
Online-Ressource |
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| Reproduktion: |
2007 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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| Übergeordnetes Werk: |
In: Geophysical journal international - Oxford . Wiley-Blackwell, 1922, 126(1996), 1, Seite 0 |
| Übergeordnetes Werk: |
volume:126 ; year:1996 ; number:1 ; pages:0 |
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| DOI / URN: |
10.1111/j.1365-246X.1996.tb05272.x |
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| 520 | |a A quantitative study of 12 aftershock sequences, which occurred in Greece and the surrounding regions from 1971 to 1980, has been made. The aim of the study was to investigate the temporal pattern of each aftershock sequence and to examine the possibility of ‘predicting’ the largest aftershock. The magnitudes of the main shocks were ML > 5.0. The minimum and maximum numbers of aftershocks were 25 and 191, respectively.The temporal analysis was performed using the modified Omori formula and Akaike information criterion. First, we examine the Omori law to see if holds for the whole aftershock sequence. Second, we examine the same data set in order to find out if there is any possibility of ‘distinguishing’ two aftershock sequences as follows: (1) the first must include all the shocks since the occurrence of the main event until the occurrence of the largest aftershock and (2) the second must include all events following the occurrence of the largest aftershock until the end of the aftershock activity. In 10 cases out of 12, the model of two different aftershock sequences provides the best fit to the data.The aftershock activity prior to the large aftershocks was then examined. Although the main shocks occurred in different seismogenic regions, an almost identical behaviour of aftershock activity was observed. The activity shows an appreciable decrease from the level expected from the modified Omori formula. Also, in some cases, the aftershock activity recovers to a normal level or increases beyond it prior to the occurrence of the main aftershock. These results seem to be independent of the magnitude of the ‘large’ aftershock.If the aftershock activity is monitored in real time, this observed temporal pattern may be useful in predicting a large aftershock. | ||
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10.1111/j.1365-246X.1996.tb05272.x doi (DE-627)NLEJ239643119 DE-627 ger DE-627 rakwb Drakatos, G. verfasserin aut Some features of aftershock patterns in Greece Oxford, UK Blackwell Publishing Ltd 1996 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A quantitative study of 12 aftershock sequences, which occurred in Greece and the surrounding regions from 1971 to 1980, has been made. The aim of the study was to investigate the temporal pattern of each aftershock sequence and to examine the possibility of ‘predicting’ the largest aftershock. The magnitudes of the main shocks were ML > 5.0. The minimum and maximum numbers of aftershocks were 25 and 191, respectively.The temporal analysis was performed using the modified Omori formula and Akaike information criterion. First, we examine the Omori law to see if holds for the whole aftershock sequence. Second, we examine the same data set in order to find out if there is any possibility of ‘distinguishing’ two aftershock sequences as follows: (1) the first must include all the shocks since the occurrence of the main event until the occurrence of the largest aftershock and (2) the second must include all events following the occurrence of the largest aftershock until the end of the aftershock activity. In 10 cases out of 12, the model of two different aftershock sequences provides the best fit to the data.The aftershock activity prior to the large aftershocks was then examined. Although the main shocks occurred in different seismogenic regions, an almost identical behaviour of aftershock activity was observed. The activity shows an appreciable decrease from the level expected from the modified Omori formula. Also, in some cases, the aftershock activity recovers to a normal level or increases beyond it prior to the occurrence of the main aftershock. These results seem to be independent of the magnitude of the ‘large’ aftershock.If the aftershock activity is monitored in real time, this observed temporal pattern may be useful in predicting a large aftershock. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| aftershocks Latoussakis, J. verfasserin aut In Geophysical journal international Oxford . Wiley-Blackwell, 1922 126(1996), 1, Seite 0 Online-Ressource (DE-627)NLEJ243927827 (DE-600)2006420-2 1365-246X nnns volume:126 year:1996 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-246X.1996.tb05272.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 126 1996 1 0 |
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10.1111/j.1365-246X.1996.tb05272.x doi (DE-627)NLEJ239643119 DE-627 ger DE-627 rakwb Drakatos, G. verfasserin aut Some features of aftershock patterns in Greece Oxford, UK Blackwell Publishing Ltd 1996 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A quantitative study of 12 aftershock sequences, which occurred in Greece and the surrounding regions from 1971 to 1980, has been made. The aim of the study was to investigate the temporal pattern of each aftershock sequence and to examine the possibility of ‘predicting’ the largest aftershock. The magnitudes of the main shocks were ML > 5.0. The minimum and maximum numbers of aftershocks were 25 and 191, respectively.The temporal analysis was performed using the modified Omori formula and Akaike information criterion. First, we examine the Omori law to see if holds for the whole aftershock sequence. Second, we examine the same data set in order to find out if there is any possibility of ‘distinguishing’ two aftershock sequences as follows: (1) the first must include all the shocks since the occurrence of the main event until the occurrence of the largest aftershock and (2) the second must include all events following the occurrence of the largest aftershock until the end of the aftershock activity. In 10 cases out of 12, the model of two different aftershock sequences provides the best fit to the data.The aftershock activity prior to the large aftershocks was then examined. Although the main shocks occurred in different seismogenic regions, an almost identical behaviour of aftershock activity was observed. The activity shows an appreciable decrease from the level expected from the modified Omori formula. Also, in some cases, the aftershock activity recovers to a normal level or increases beyond it prior to the occurrence of the main aftershock. These results seem to be independent of the magnitude of the ‘large’ aftershock.If the aftershock activity is monitored in real time, this observed temporal pattern may be useful in predicting a large aftershock. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| aftershocks Latoussakis, J. verfasserin aut In Geophysical journal international Oxford . Wiley-Blackwell, 1922 126(1996), 1, Seite 0 Online-Ressource (DE-627)NLEJ243927827 (DE-600)2006420-2 1365-246X nnns volume:126 year:1996 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-246X.1996.tb05272.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 126 1996 1 0 |
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10.1111/j.1365-246X.1996.tb05272.x doi (DE-627)NLEJ239643119 DE-627 ger DE-627 rakwb Drakatos, G. verfasserin aut Some features of aftershock patterns in Greece Oxford, UK Blackwell Publishing Ltd 1996 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A quantitative study of 12 aftershock sequences, which occurred in Greece and the surrounding regions from 1971 to 1980, has been made. The aim of the study was to investigate the temporal pattern of each aftershock sequence and to examine the possibility of ‘predicting’ the largest aftershock. The magnitudes of the main shocks were ML > 5.0. The minimum and maximum numbers of aftershocks were 25 and 191, respectively.The temporal analysis was performed using the modified Omori formula and Akaike information criterion. First, we examine the Omori law to see if holds for the whole aftershock sequence. Second, we examine the same data set in order to find out if there is any possibility of ‘distinguishing’ two aftershock sequences as follows: (1) the first must include all the shocks since the occurrence of the main event until the occurrence of the largest aftershock and (2) the second must include all events following the occurrence of the largest aftershock until the end of the aftershock activity. In 10 cases out of 12, the model of two different aftershock sequences provides the best fit to the data.The aftershock activity prior to the large aftershocks was then examined. Although the main shocks occurred in different seismogenic regions, an almost identical behaviour of aftershock activity was observed. The activity shows an appreciable decrease from the level expected from the modified Omori formula. Also, in some cases, the aftershock activity recovers to a normal level or increases beyond it prior to the occurrence of the main aftershock. These results seem to be independent of the magnitude of the ‘large’ aftershock.If the aftershock activity is monitored in real time, this observed temporal pattern may be useful in predicting a large aftershock. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| aftershocks Latoussakis, J. verfasserin aut In Geophysical journal international Oxford . Wiley-Blackwell, 1922 126(1996), 1, Seite 0 Online-Ressource (DE-627)NLEJ243927827 (DE-600)2006420-2 1365-246X nnns volume:126 year:1996 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-246X.1996.tb05272.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 126 1996 1 0 |
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10.1111/j.1365-246X.1996.tb05272.x doi (DE-627)NLEJ239643119 DE-627 ger DE-627 rakwb Drakatos, G. verfasserin aut Some features of aftershock patterns in Greece Oxford, UK Blackwell Publishing Ltd 1996 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A quantitative study of 12 aftershock sequences, which occurred in Greece and the surrounding regions from 1971 to 1980, has been made. The aim of the study was to investigate the temporal pattern of each aftershock sequence and to examine the possibility of ‘predicting’ the largest aftershock. The magnitudes of the main shocks were ML > 5.0. The minimum and maximum numbers of aftershocks were 25 and 191, respectively.The temporal analysis was performed using the modified Omori formula and Akaike information criterion. First, we examine the Omori law to see if holds for the whole aftershock sequence. Second, we examine the same data set in order to find out if there is any possibility of ‘distinguishing’ two aftershock sequences as follows: (1) the first must include all the shocks since the occurrence of the main event until the occurrence of the largest aftershock and (2) the second must include all events following the occurrence of the largest aftershock until the end of the aftershock activity. In 10 cases out of 12, the model of two different aftershock sequences provides the best fit to the data.The aftershock activity prior to the large aftershocks was then examined. Although the main shocks occurred in different seismogenic regions, an almost identical behaviour of aftershock activity was observed. The activity shows an appreciable decrease from the level expected from the modified Omori formula. Also, in some cases, the aftershock activity recovers to a normal level or increases beyond it prior to the occurrence of the main aftershock. These results seem to be independent of the magnitude of the ‘large’ aftershock.If the aftershock activity is monitored in real time, this observed temporal pattern may be useful in predicting a large aftershock. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| aftershocks Latoussakis, J. verfasserin aut In Geophysical journal international Oxford . Wiley-Blackwell, 1922 126(1996), 1, Seite 0 Online-Ressource (DE-627)NLEJ243927827 (DE-600)2006420-2 1365-246X nnns volume:126 year:1996 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-246X.1996.tb05272.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 126 1996 1 0 |
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10.1111/j.1365-246X.1996.tb05272.x doi (DE-627)NLEJ239643119 DE-627 ger DE-627 rakwb Drakatos, G. verfasserin aut Some features of aftershock patterns in Greece Oxford, UK Blackwell Publishing Ltd 1996 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A quantitative study of 12 aftershock sequences, which occurred in Greece and the surrounding regions from 1971 to 1980, has been made. The aim of the study was to investigate the temporal pattern of each aftershock sequence and to examine the possibility of ‘predicting’ the largest aftershock. The magnitudes of the main shocks were ML > 5.0. The minimum and maximum numbers of aftershocks were 25 and 191, respectively.The temporal analysis was performed using the modified Omori formula and Akaike information criterion. First, we examine the Omori law to see if holds for the whole aftershock sequence. Second, we examine the same data set in order to find out if there is any possibility of ‘distinguishing’ two aftershock sequences as follows: (1) the first must include all the shocks since the occurrence of the main event until the occurrence of the largest aftershock and (2) the second must include all events following the occurrence of the largest aftershock until the end of the aftershock activity. In 10 cases out of 12, the model of two different aftershock sequences provides the best fit to the data.The aftershock activity prior to the large aftershocks was then examined. Although the main shocks occurred in different seismogenic regions, an almost identical behaviour of aftershock activity was observed. The activity shows an appreciable decrease from the level expected from the modified Omori formula. Also, in some cases, the aftershock activity recovers to a normal level or increases beyond it prior to the occurrence of the main aftershock. These results seem to be independent of the magnitude of the ‘large’ aftershock.If the aftershock activity is monitored in real time, this observed temporal pattern may be useful in predicting a large aftershock. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| aftershocks Latoussakis, J. verfasserin aut In Geophysical journal international Oxford . Wiley-Blackwell, 1922 126(1996), 1, Seite 0 Online-Ressource (DE-627)NLEJ243927827 (DE-600)2006420-2 1365-246X nnns volume:126 year:1996 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-246X.1996.tb05272.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 126 1996 1 0 |
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A quantitative study of 12 aftershock sequences, which occurred in Greece and the surrounding regions from 1971 to 1980, has been made. The aim of the study was to investigate the temporal pattern of each aftershock sequence and to examine the possibility of ‘predicting’ the largest aftershock. The magnitudes of the main shocks were ML > 5.0. The minimum and maximum numbers of aftershocks were 25 and 191, respectively.The temporal analysis was performed using the modified Omori formula and Akaike information criterion. First, we examine the Omori law to see if holds for the whole aftershock sequence. Second, we examine the same data set in order to find out if there is any possibility of ‘distinguishing’ two aftershock sequences as follows: (1) the first must include all the shocks since the occurrence of the main event until the occurrence of the largest aftershock and (2) the second must include all events following the occurrence of the largest aftershock until the end of the aftershock activity. In 10 cases out of 12, the model of two different aftershock sequences provides the best fit to the data.The aftershock activity prior to the large aftershocks was then examined. Although the main shocks occurred in different seismogenic regions, an almost identical behaviour of aftershock activity was observed. The activity shows an appreciable decrease from the level expected from the modified Omori formula. Also, in some cases, the aftershock activity recovers to a normal level or increases beyond it prior to the occurrence of the main aftershock. These results seem to be independent of the magnitude of the ‘large’ aftershock.If the aftershock activity is monitored in real time, this observed temporal pattern may be useful in predicting a large aftershock. |
| abstractGer |
A quantitative study of 12 aftershock sequences, which occurred in Greece and the surrounding regions from 1971 to 1980, has been made. The aim of the study was to investigate the temporal pattern of each aftershock sequence and to examine the possibility of ‘predicting’ the largest aftershock. The magnitudes of the main shocks were ML > 5.0. The minimum and maximum numbers of aftershocks were 25 and 191, respectively.The temporal analysis was performed using the modified Omori formula and Akaike information criterion. First, we examine the Omori law to see if holds for the whole aftershock sequence. Second, we examine the same data set in order to find out if there is any possibility of ‘distinguishing’ two aftershock sequences as follows: (1) the first must include all the shocks since the occurrence of the main event until the occurrence of the largest aftershock and (2) the second must include all events following the occurrence of the largest aftershock until the end of the aftershock activity. In 10 cases out of 12, the model of two different aftershock sequences provides the best fit to the data.The aftershock activity prior to the large aftershocks was then examined. Although the main shocks occurred in different seismogenic regions, an almost identical behaviour of aftershock activity was observed. The activity shows an appreciable decrease from the level expected from the modified Omori formula. Also, in some cases, the aftershock activity recovers to a normal level or increases beyond it prior to the occurrence of the main aftershock. These results seem to be independent of the magnitude of the ‘large’ aftershock.If the aftershock activity is monitored in real time, this observed temporal pattern may be useful in predicting a large aftershock. |
| abstract_unstemmed |
A quantitative study of 12 aftershock sequences, which occurred in Greece and the surrounding regions from 1971 to 1980, has been made. The aim of the study was to investigate the temporal pattern of each aftershock sequence and to examine the possibility of ‘predicting’ the largest aftershock. The magnitudes of the main shocks were ML > 5.0. The minimum and maximum numbers of aftershocks were 25 and 191, respectively.The temporal analysis was performed using the modified Omori formula and Akaike information criterion. First, we examine the Omori law to see if holds for the whole aftershock sequence. Second, we examine the same data set in order to find out if there is any possibility of ‘distinguishing’ two aftershock sequences as follows: (1) the first must include all the shocks since the occurrence of the main event until the occurrence of the largest aftershock and (2) the second must include all events following the occurrence of the largest aftershock until the end of the aftershock activity. In 10 cases out of 12, the model of two different aftershock sequences provides the best fit to the data.The aftershock activity prior to the large aftershocks was then examined. Although the main shocks occurred in different seismogenic regions, an almost identical behaviour of aftershock activity was observed. The activity shows an appreciable decrease from the level expected from the modified Omori formula. Also, in some cases, the aftershock activity recovers to a normal level or increases beyond it prior to the occurrence of the main aftershock. These results seem to be independent of the magnitude of the ‘large’ aftershock.If the aftershock activity is monitored in real time, this observed temporal pattern may be useful in predicting a large aftershock. |
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Some features of aftershock patterns in Greece |
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