Epidemic type aftershock sequence (ETAS) modeling of northeastern Himalayan seismicity

We analyzed the seismicity of northeastern Himalayan region of latitude (25 to 32° N) and longitude (86–97° E). The US Geological Survey catalogue is used in this study for a period from 1973 to June 2011. The seismicity of the region is modeled using epidemic type aftershock sequence (ETAS) model....

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Veröffentlicht in:	Journal of seismology 2013-04, Vol.17 (2), p.255-264
Hauptverfasser:	Bansal, A. R., Dimri, V. P., Babu, K. K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Earth and Environmental Science Earth Sciences Earth, ocean, space Earthquakes Earthquakes, seismology Engineering and environment geology. Geothermics Epidemics Exact sciences and technology Geological surveys Geophysics/Geodesy Geotechnical Engineering & Applied Earth Sciences Hydrogeology Internal geophysics Natural hazards: prediction, damages, etc Original Article Plate tectonics Seismology Structural Geology
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Zusammenfassung:	We analyzed the seismicity of northeastern Himalayan region of latitude (25 to 32° N) and longitude (86–97° E). The US Geological Survey catalogue is used in this study for a period from 1973 to June 2011. The seismicity of the region is modeled using epidemic type aftershock sequence (ETAS) model. The region is divided in three parts: (1) whole region, (2) subregion I, and (3) subregion II. The magnitude of completeness is found to be 4.6 for all the three regions. The ETAS parameters for all the regions are found same within the standard errors. There is no significant change observed in the seismicity since 1973 based on the ETAS modeling.
ISSN:	1383-4649 1573-157X
DOI:	10.1007/s10950-012-9314-7