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Shashidhar, D.
- A New Zone of Seismic Activity at Koyna, India
Abstract Views :207 |
PDF Views:3
Authors
Harsh Gupta
1,
D. Shashidhar
1,
Metilda Pereira
1,
N. Purnachandh Roa
1,
M. Kousalya
1,
H. V. S. Satyanarayana
1,
Satish Saha
1,
R. T. Babu Naik
1,
V. P. Dimri
1
Affiliations
1 National Geophysical Research Institute, Uppal Road, Hyderabad -500007, IN
1 National Geophysical Research Institute, Uppal Road, Hyderabad -500007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 69, No 6 (2007), Pagination: 1145-1146Abstract
No Abstract.- Short Term forecast for an M~4 Earthquake at Koyna, India
Abstract Views :167 |
PDF Views:126
Authors
Harsh Gupta
1,
D. Shashidhar
1,
Metilda Pereira
1,
N. Purnachandra Rao
1,
D. Nagesh
1,
H. V. S. Satyanarayana
1,
Satish Saha
1,
R. T. Babu Naik
1,
V. P. Dlmri
1
Affiliations
1 National Geophysical Research Institute, Uppal Road, Hyderabad-500 007, IN
1 National Geophysical Research Institute, Uppal Road, Hyderabad-500 007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 70, No 6 (2007), Pagination: 1091-1091Abstract
No Abstract.- Prediction of an M-4 Earthquake in the Koyna Region Comes True!
Abstract Views :175 |
PDF Views:139
Authors
Affiliations
1 National Geophysical Research Institute, Hyderabad - 500 007, IN
1 National Geophysical Research Institute, Hyderabad - 500 007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 68, No 1 (2006), Pagination: 149-150Abstract
No Abstract.- The Disastrous M 7.9 Sichuan Earthquake of 12 May 2008
Abstract Views :193 |
PDF Views:2
Authors
Affiliations
1 National Geophysical Research Institute, Council of Scientific and Industrial Research, Uppal Road, Hyderabad-500007, IN
1 National Geophysical Research Institute, Council of Scientific and Industrial Research, Uppal Road, Hyderabad-500007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 72, No 3 (2008), Pagination: 325-330Abstract
On 12 May 2008 an earthquake of magnitude 7.9 devastated the Northwestern Sichuan province of China. This earthquake occurred along the northeast trending Longmenshan fault bordering the Tibetan plateau on the west and the Sichuan Basin on the east. The focal mechanism depicts a thrust fault mechanism with the Northwest dipping fault plane correlating well with the tectonic fault. This plane also hosts a component of right-lateral strike slip consistent with the local tectonics and orients well along the trend of aftershock distribution. Broadly, the Sichuan earthquake is a consequence of the northward convergence of the Indian plate against the Eurasian plate resulting in eastward crustal extrusion of Tibetan plateau accompanied by clockwise rotation of several tectonic blocks of the Eurasian landmass. More specifically, it occurred along the Northeast trending Longmenshan fault, due to over-thrusting of a weak Tibetan crustal block over a mechanically stronger Sichuan Basin. Estimation of p value using about 164 aftershock data provides a value of 0.87, comparable to a value of 1.0 obtained for the Muzaffarabad earthquake in western Himalaya, indicating a normal rate of decay of the aftershocks in the months ahead. We infer that aftershocks of magnitude exceeding 5 may occur for a duration of about 7 months.Keywords
Earthquake, Seismicity, Tibetan Plateau, Siachun, China.- Short Term Earthquake Forecasts at Koyna, India
Abstract Views :206 |
PDF Views:0
Authors
Harsh Gupta
1,
D. Shashidhar
2,
K. Mallika
2,
N. Purnachandra Rao
2,
D. Srinagesh
2,
H. V. S. Satyanarayana
2,
Satish Saha
2,
R. T. B. Naik
2
Affiliations
1 National Geophysical Research Institute (Council of Scientific and Industrial Research), Uppal Road, Hyderabad - 500 007, IN
2 National Geophysical Research Institute (CSIR), Uppal Road, Hyderabad - 500 007, IN
1 National Geophysical Research Institute (Council of Scientific and Industrial Research), Uppal Road, Hyderabad - 500 007, IN
2 National Geophysical Research Institute (CSIR), Uppal Road, Hyderabad - 500 007, IN