A Seismological Report on the 26 January 2001 Bhuj, India Earthquake

Narayan, J.; Sharma, M. L.; Kumar, Ashwani

doi:10.1785/gssrl.73.3.343

Cited by 28 publications

(5 citation statements)

References 6 publications

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“…Along the rivers Ganga, Gandak, Kosi, and Mahananda a prominent red or yellow zone is highlighted infers that in recent alluvium the shaking will be higher due to seismic ampli cation and damage will be more relative nearby region where compact soil is present. For illustration during Bhuj earthquake 2001, which occurred 330 km from Ahmedabad, and due to thick sedimentary cover of Sabarmati river a soil ampli cation was recorded results in strong shaking followed by heavy damage (Narayan and Sharma, 2004).…”

Section: And Discussionmentioning

confidence: 99%

Can Site Specific parameters help to identify the Seismically Induced Damage Pattern: An Assessment

Rawat

Chatterjee

Kumar

et al. 2023

Preprint

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Indo-Gangetic plains are vulnerable to damage during earthquakes due to the presence of soft soil cover. Local geology and topography play a significant role in amplifying the damage and controlling the pattern of damage. In this study, an effort has been made to investigate the pattern of damage by using the different parameters which significantly varies spatially such as lithology, shear wave, soil texture, basement depth and distance to the fault. The logistic regression was performed on the training data was selected from the common damage zones provided in the catalogue a generalized damage pattern map was prepared for North Bihar without considering the earthquake source effect. The model achieved 55% accuracy and, further the prepared map was validated with the isoseismal map of 1934, 1988, 2015 Mainshock, and 2015 major aftershock, the area under the curve (AUC) determined as 0.54, 0.57, 0.56, and 0.60 respectively. The generalized map can be used with the ground motion parameter to estimate the extent of hazard after an earthquake.

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Section: And Discussionmentioning

confidence: 99%

Can Site Specific parameters help to identify the Seismically Induced Damage Pattern: An Assessment

Rawat

Chatterjee

Kumar

et al. 2023

Preprint

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“…Therefore, the network now meets both criteria of the regional EEWS: the required sensor density and the spatial coverage of the seismogenic source in Uttarakhand, enabling the detection of large earthquakes in the instrumented region. 3…”

Section: Seismic Networkmentioning

confidence: 99%

“…Furthermore, losses due to seismic activities are also on the rise. The Himalayan region has seen many destructive earthquakes in the past, and their recurrence in the future is predicted by many [3][4][5][6][7][8]. The occurrence of earthquakes can not be stopped but their impact on society can be minimized by applying scientific, engineering, technological and innovative approaches.…”

Section: Introductionmentioning

confidence: 99%

Uttarakhand State Earthquake Early Warning System: A Case Study of Himalayan Environment

Kumar,

Kamal,

Sharma

et al. 2024

Preprint

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High seismic activity in the Himalayas and the increasing urbanization of its surrounding areas in the northern Indian region pose significant threats to both lives and properties. To mitigate the risk of seismic events, an earthquake early warning system can be used in the region. This system would be particularly beneficial to cities and towns in the mountainous and foothill regions that are located near earthquake sources. The government and the science and engineering community have re-sponded to this call by establishing the Uttarakhand State Earthquake Early Warning System (UEEWS). The system became fully operational on August 4, 2021, after being launched by the government of Uttarakhand. The UEEWS includes 170 accelerometers in the seismogenic part of the Uttarakhand region of the Himalayas. Ground motion data is transmitted to a central server through a dedicated private telecommunication network 24 hours a day, seven days a week.The system is designed to issue warnings for moderate to high-magnitude earthquakes via a mobile application installed on users' devices and sirens installed in government-owned public buildings. The UEEWS has successfully issued alerts for light earthquakes that occurred in the instrumented region and warnings for moderate earthquakes that occurred in the vicinity of the instrumented area. This paper provides an overview of the design of the UEEWS, details of the instrumentation, adaptation of attributes and their relation to earthquake parameters, the operational flow of the system, and information about the dissemination of warnings

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“…Moreover, losses attributed to seismic activities are also on an upward trajectory. The Himalayan region has experienced numerous devastating earthquakes in the past, and many experts predict their recurrence in the future [ 3 , 4 , 5 , 6 , 7 , 8 ]. Although the occurrence of earthquakes cannot be prevented, their impact on society can be reduced through the application of innovative technological solutions.…”

Section: Introductionmentioning

confidence: 99%

Uttarakhand State Earthquake Early Warning System: A Case Study of the Himalayan Environment

Kumar,

Kamal,

Sharma

et al. 2024

Sensors

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The increased seismic activity observed in the Himalayas, coupled with the expanding urbanization of the surrounding areas in northern India, poses significant risks to both human lives and property. Developing an earthquake early warning system in the region could help in alleviating these risks, especially benefiting cities and towns in mountainous and foothill regions close to potential earthquake epicenters. To address this concern, the government and the science and engineering community collaborated to establish the Uttarakhand State Earthquake Early Warning System (UEEWS). The government of Uttarakhand successfully launched this full-fledged operational system to the public on 4 August 2021. The UEEWS includes an array of 170 accelerometers installed in the seismogenic areas of the Uttarakhand. Ground motion data from these sensors are transmitted to the central server through the dedicated private telecommunication network 24 hours a day, seven days a week. This system is designed to issue warnings for moderate to high-magnitude earthquakes via a mobile app freely available for smartphone users and by blowing sirens units installed in the buildings earmarked by the government. The UEEWS has successfully issued alerts for light earthquakes that have occurred in the instrumented region and warnings for moderate earthquakes that have triggered in the vicinity of the instrumented area. This paper provides an overview of the design of the UEEWS, details of instrumentation, adaptation of attributes and their relation to earthquake parameters, operational flow of the system, and information about dissemination of warnings to the public.

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A Seismological Report on the 26 January 2001 Bhuj, India Earthquake

Cited by 28 publications

References 6 publications

Can Site Specific parameters help to identify the Seismically Induced Damage Pattern: An Assessment

Can Site Specific parameters help to identify the Seismically Induced Damage Pattern: An Assessment

Uttarakhand State Earthquake Early Warning System: A Case Study of Himalayan Environment

Uttarakhand State Earthquake Early Warning System: A Case Study of the Himalayan Environment

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