A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Earthquake Data Completeness Analysis, A Case Study of Nagpur City, India
https://orcid.org/http://orcid.org/0000-0001-5913-0270
https://orcid.org/http://orcid.org/0000-0003-4200-7377
All civil engineering structures should withstand a certain level of ground shaking from earthquakes without sustaining significant damage to avoid human and economic loss. Ground shaking hazard at a particular site can be estimated by seismic hazard analysis. Completeness analysis of earthquake data is a pre-required process of seismic hazard analysis. This study attempted to prepare a homogenized earthquake catalogue for Nagpur city. This involves the compilation of earthquake data from various agencies, spanning from 1800 to 2020, within a 400 km radius of the centre of Nagpur city. Further, to follow the poissonian model of earthquake occurrence, this earthquake catalogue is treated for declustering analysis. A completeness analysis is conducted to determine the time interval in which the earthquake data is considered complete for various magnitude class, using two most common method i.e. Stepp and Cumulative visual inspection method (CUVI). The common earthquake data from both the two methods are extracted and can be used a final earthquake events for the hazard analysis and other seismological studies. From the completeness analysis, it has been observed that the data for the magnitude range of 3.0 ≤ MW ≤ 4.0, 4.1 < MW ≤ 5.0, and 5.0 < MW is complete for the last 24, 57, and 94 years. This study will help to understand the distribution of the earthquake data in the Nagpur region. Also, seismic hazard analysis of Nagpur city can be performed using the earthquake data of the complete catalogue.
Earthquake Data Completeness Analysis, A Case Study of Nagpur City, India
https://orcid.org/http://orcid.org/0000-0001-5913-0270
https://orcid.org/http://orcid.org/0000-0003-4200-7377
All civil engineering structures should withstand a certain level of ground shaking from earthquakes without sustaining significant damage to avoid human and economic loss. Ground shaking hazard at a particular site can be estimated by seismic hazard analysis. Completeness analysis of earthquake data is a pre-required process of seismic hazard analysis. This study attempted to prepare a homogenized earthquake catalogue for Nagpur city. This involves the compilation of earthquake data from various agencies, spanning from 1800 to 2020, within a 400 km radius of the centre of Nagpur city. Further, to follow the poissonian model of earthquake occurrence, this earthquake catalogue is treated for declustering analysis. A completeness analysis is conducted to determine the time interval in which the earthquake data is considered complete for various magnitude class, using two most common method i.e. Stepp and Cumulative visual inspection method (CUVI). The common earthquake data from both the two methods are extracted and can be used a final earthquake events for the hazard analysis and other seismological studies. From the completeness analysis, it has been observed that the data for the magnitude range of 3.0 ≤ MW ≤ 4.0, 4.1 < MW ≤ 5.0, and 5.0 < MW is complete for the last 24, 57, and 94 years. This study will help to understand the distribution of the earthquake data in the Nagpur region. Also, seismic hazard analysis of Nagpur city can be performed using the earthquake data of the complete catalogue.
Earthquake Data Completeness Analysis, A Case Study of Nagpur City, India
https://orcid.org/http://orcid.org/0000-0001-5913-0270
https://orcid.org/http://orcid.org/0000-0003-4200-7377
All civil engineering structures should withstand a certain level of ground shaking from earthquakes without sustaining significant damage to avoid human and economic loss. Ground shaking hazard at a particular site can be estimated by seismic hazard analysis. Completeness analysis of earthquake data is a pre-required process of seismic hazard analysis. This study attempted to prepare a homogenized earthquake catalogue for Nagpur city. This involves the compilation of earthquake data from various agencies, spanning from 1800 to 2020, within a 400 km radius of the centre of Nagpur city. Further, to follow the poissonian model of earthquake occurrence, this earthquake catalogue is treated for declustering analysis. A completeness analysis is conducted to determine the time interval in which the earthquake data is considered complete for various magnitude class, using two most common method i.e. Stepp and Cumulative visual inspection method (CUVI). The common earthquake data from both the two methods are extracted and can be used a final earthquake events for the hazard analysis and other seismological studies. From the completeness analysis, it has been observed that the data for the magnitude range of 3.0 ≤ MW ≤ 4.0, 4.1 < MW ≤ 5.0, and 5.0 < MW is complete for the last 24, 57, and 94 years. This study will help to understand the distribution of the earthquake data in the Nagpur region. Also, seismic hazard analysis of Nagpur city can be performed using the earthquake data of the complete catalogue.
Earthquake Data Completeness Analysis, A Case Study of Nagpur City, India
Lecture Notes in Civil Engineering
Kumar, Ratnesh (editor) / Bakre, Sachin V. (editor) / Goel, Manmohan Dass (editor) / Dhole, Sagar (author) / Bakre, Sachin V. (author)
Structural Engineering Convention ; 2023 ; Nagpur, India
2024-11-24
12 pages
Article/Chapter (Book)
Electronic Resource
English
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