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Centre to install 150 quake sensors in Uttarakhand


The Hindu

Context

India is looking to have more than six times the number of earthquake sensors in Uttarakhand to better understand the geology of the region and the evolution of Himalayan earthquakes

What has happened?

The National Centre for Seismology has got the approvalfor a project to install 100-150 seismometers in the Garhwal-Kumaon region [the key region in the Himalayas and known to be seismically active] for testing purposes and to better understand the geology of the region and the evolution of Himalayan earthquakes.

  • Cost: Though funds were still not available, the entire project would unlikely exceed ₹10 crore

Present situation

Currently, there are only about 20 stations, maintained by different research agencies that track earthquake activity

Garhwal-Kumaon region

This region is known to be seismically active because it lies at the junction of two tectonic plates — the Himalayan and the Eurasian Plate — pushing against each other

  • Major quakes in the region include the 1991 Uttarkashi quake of magnitude 6.8 that killed 700. It was followed by a quake of similar intensity that hit Chamoli in 1991 and killed 100.

Backdrop

On 6th Feb 2017, Rudraprayag district of Uttarakhand registered a 5.8 magnitude earthquake. Though it didn’t cause damage, seismologists say its magnitude was “significant,” and residents in several parts of north India felt the tremors. The latest development can be seen in this context.

 

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