Internal deformation detected within ‘rigid’ Indian plate: New study
GS1History · Society · Geography· Physical geography (landforms, oceans, climate)· Prelims·
Why in news
A study led by Cochin University of Science and Technology (Cusat) and SAC-ISRO found evidence of internal deformation within the Indian tectonic plate, challenging the long-held view of its rigidity.
Background
The research utilized high-precision GPS data from 34 stations across India to analyze crustal movement. The study specifically focused on the Central Indian Tectonic Zone (CITZ) north of the Narmada–Son Lineament.
Facts for Prelims
- S&TCochin University of Science and Technology (Cusat) and Space Applications Centre (SAC-ISRO) collaborated on the tectonic plate study.
- PlaceThe study focused on the Central Indian Tectonic Zone (CITZ) north of the Narmada–Son Lineament.
- FactThe research analyzed crustal movement patterns using high-precision GPS data from 34 stations across India.
For Mains
Q. Discuss how the discovery of internal deformation in the Indian tectonic plate alters the current understanding of seismic risk assessment in the Indian subcontinent.
Dimensions to cover in your answer
- Seismic risk reassessment: Shift from rigid block models to internal deformation models for earthquake hazard mapping
- Data-driven monitoring: Integration of high-precision GPS data with satellite imagery for real-time crustal movement tracking
Keywords: tectonic plate · crustal movement · seismic risk · Narmada–Son Lineament · geophysical monitoring
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