Trend of major earthquakes during the period 1900–2011 and its association with some solar and geomagnetic parameters

The paper presents long term trend of major earthquake (magnitude ≥6 Richter scale) occurrence throughout world. Analysis shows that occurrence trend decreases during the period 1900–1962, afterwards the trend increases. Solar coronal index, geomagnetic disturbance indices ( Kp , Ap index) follow th...

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Bibliographic Details
Published in:Indian journal of physics 2014, Vol.88 (1), p.1-4
Main Authors: Midya, S K, Gole, P K
Format: Article
Language:English
Subjects:
Astrophysics and Astroparticles
Earthquakes
Geophysics
Magnetic fields
Original Paper
Physics
Physics and Astronomy
Seismology
Solar physics
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Summary:The paper presents long term trend of major earthquake (magnitude ≥6 Richter scale) occurrence throughout world. Analysis shows that occurrence trend decreases during the period 1900–1962, afterwards the trend increases. Solar coronal index, geomagnetic disturbance indices ( Kp , Ap index) follow the opposite trend during the above mentioned period. Possible explanation is presented.
ISSN:0973-1458
0974-9845
DOI:10.1007/s12648-013-0369-2