Probabilistic seismic hazard assessment studies for Mumbai region

Surve, G.; Kanaujia, Jyotima; Sharma, Nitin

doi:10.1007/s11069-021-04596-x

Cited by 10 publications

(1 citation statement)

References 37 publications

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“…The curves are depicted in Figure 8. Using Iyengear and Raghu Kanth's [17] attenuation relationship, the peak ground accelerations at bedrock level for 2% and 10% probability of exceedance in 50 years have been computed [28]. The aggregate value of PGA from this relationship has been worked out for each district headquarter (Figure 9).…”

Section: Probabilistic Seismic Hazard Analysis (Psha)mentioning

confidence: 99%

A Seismic Hazard Assessment of North Chhattisgarh (India)

Parashar¹

2023

Natural Hazards - New Insights

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Chhattisgarh, located in Central India, has been carved out of Madhya Pradesh to become the 26th state of the Indian Union. North Chhattisgarh is addressed by the tribal population. In the current study, an endeavor has been made to carry out the seismic hazard analysis for the major district headquarters of north Chhattisgarh, considering the local site effects and developing a seismic zone map for north Chhattisgarh. Seismic hazard analysis has been done for major district headquarters Ambikapur, Baikunthpur [Koria], Korba, and Jashpurnagar of north Chhattisgarh, using seismotectonic information. All earthquake sources and past seismic events have been considered within a radius of 300 km for the headquarters, applying deterministic and probabilistic seismic hazard analysis approaches. The seismic parameters and peak ground acceleration at the bedrock level for the district headquarters of north Chhattisgarh have been estimated. Using probabilistic seismic hazard analysis, hazard curves have been developed for each district headquarters. Alternatively, for peak ground acceleration of 0.05 g, 0.1 g, and 0.15 g return periods have been estimated for the study area. The probabilities of exceedance for 2% and 10% for 50 years have also been estimated for the study area. The current study throws light on the design and construction of vital civil engineering structures near and around the seismically active headquarters in northern Chhattisgarh.

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Section: Probabilistic Seismic Hazard Analysis (Psha)mentioning

confidence: 99%