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Chadha, R. K.
- The Jabalpur Earthquake of May 22, 1997
Abstract Views :212 |
PDF Views:2
Authors
H. K. Gupta
1,
R. K. Chadha
1,
M. N. Rao
1,
B. L. Narayana
1,
P. Mandal
1,
M. Ravi Kumar
1,
N. Kumar
1
Affiliations
1 National Geophysical Research Institute, Hyderabad - 560 007, IN
1 National Geophysical Research Institute, Hyderabad - 560 007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 50, No 1 (1997), Pagination: 85-91Abstract
The Jabalpur earthquake of magnitude 5.8 occurred on May 22, 1997 along seismically active Narmada-Son Lineament (NSL) in central India, with its epicenter about 30 km southeast of Jabalpur. A maximum intensity Io = VIII on MM scale was observed in Jabalpur and surrounding region. The isoseismal map prepared for this earthquake shows NE-SW trend which in general agrees with the focal mechanism solution indicating thrust faulting along a ENE-WSW fault with minor strike-slip component. Several ground cracks mapped in meizoseismal area show a dominant N75° E trend. The damage pattern of the constructions clearly shows a strong correlation with lithology, structures and soil cover of the area. There are no foreshocks reported for this earthquake and only a few aftershocks are recorded. which warrant a close monitoring of this region.Keywords
Earthquake, Seismology, Jabalpur.- Planet Earth-Focal Theme for the 94th Session of Indian Science Congress
Abstract Views :179 |
PDF Views:136
Authors
Affiliations
1 National Geophysical Research Institute Hyderabad, IN
1 National Geophysical Research Institute Hyderabad, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 69, No 4 (2007), Pagination: 873-874Abstract
No Abstract.- International Workshop on Deep Scientific Drilling to Study Reservoir Triggered Earthquakes in Koyna, India
Abstract Views :172 |
PDF Views:133
Authors
Harsh Gupta
,
Shailesh Nayak
,
Y. J. Bhaskar Rao
,
R. K. Chadha
,
B. K. Bansal
,
D. Srinagesh
,
N. Purnachandra Rao
,
Sukanta Roy
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 77, No 5 (2011), Pagination: 488-490Abstract
No Abstract.- Vulnerability Assessment of a Heritage Structure Subjected to Blast-Induced Ground Motions
Abstract Views :235 |
PDF Views:84
Authors
R. Pradeep Kumar
1,
D. Srinagesh
2,
T. Seshunarayana
2,
R. K. Chadha
2,
Narender Bodige
3,
G. Suresh
2,
D. Hima Chandan
1,
C. V. R. Murty
4
Affiliations
1 Earthquake Engineering Research Centre, International Institute of Information Technology, Hyderabad 500 032, IN
2 CSIR-National Geophysical Research Institute, Hyderabad 500 007, IN
3 Department of Civil Engineering, Anurag Group of Institutions, Hyderabad 501 301, IN
4 Department of Civil Engineering, Indian Institute of Technology Madras, Chennai 600 036, IN
1 Earthquake Engineering Research Centre, International Institute of Information Technology, Hyderabad 500 032, IN
2 CSIR-National Geophysical Research Institute, Hyderabad 500 007, IN
3 Department of Civil Engineering, Anurag Group of Institutions, Hyderabad 501 301, IN
4 Department of Civil Engineering, Indian Institute of Technology Madras, Chennai 600 036, IN
Source
Current Science, Vol 119, No 7 (2020), Pagination: 1131-1141Abstract
A ground-structure vibration response study was carried out at the Ramappa Temple near Warangal, Telangana, India, shaken by underground blasting undertaken at the neighbouring Devadula Lift Irrigation Project to build water tunnels. The intensities of vibrations were examined – subsurface and ground vibrations were measured using velocity meters, and shaking at the temple using accelerometers. The study concluded that high-frequency vibrations of the ground were filtered by the soft natural clay bed underneath, and vibrations at the temple structure were small and well below the levels that can cause damage to it. Here we present the scientific findings of the vibrations recorded during the blasts and their implications.Keywords
Heritage Structure, Structural Response, Tunnel Blasting, Vibrations, Vulnerability Assessment.References
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