Geodetic contributions to the study of seismotectonics in India
IR@C-MMACS: CSIR-Centre for Mathematical Modelling and Computer Simulation, Bangalore
View Archive Info| Field | Value | |
| Title |
Geodetic contributions to the study of
seismotectonics in India
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| Creator |
Gaur, V K
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| Subject |
GNSS/GPS Geodesy
Computational Seismology |
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| Description |
Earthquakes in India are caused by the release of elastic
strain energy created and replenished by the
stresses resulting from India’s collision with Asia.
Accumulating strain distorts the surface of the Indian
plate, which despite its slow development can now be
detected using precision geodesy. The largest and most
severe earthquakes occur on the boundaries of the
Indian plate to the east, north and west of the subcontinent.
Historically, these areas have been somewhat
neglected by precise geodesy and it is only
recently that suitably dense networks capable of spanning
entire plate boundaries have been developed.
Earthquakes within the subcontinent, though devastating,
have also remained unserved by historical
geodesy in India because the rupture areas of these
events are small and have tended to occur between
networks of adequate precision. Since 1990, the widespread
availability of GPS geodesy has resulted in a
number of significant findings related to the translation,
deformation and rotation of the Indian plate, and
to deformation of its margins. The next decade is likely
to see the uncertainties of these estimates fall by a factor
of 4, permitting estimates of changes of rate in
space and time. We discuss these new findings and
their historical antecedents, and identify current
trends in seismogeodetic research that are likely to
contribute to a new understanding of future Indian
earthquakes.
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| Publisher |
Indian Academy of Sciences
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| Date |
2000-11-10
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| Type |
Article
PeerReviewed |
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| Format |
application/pdf
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| Identifier |
http://cir.cmmacs.ernet.in/126/1/Bilham00.pdf
Gaur, V K (2000) Geodetic contributions to the study of seismotectonics in India. Current Science, 79 (9). pp. 1259-1269. |
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| Relation |
http://www.ias.ac.in/currsci
http://cir.cmmacs.ernet.in/126/ |
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