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Nepal earthquake due to collision of plates: NGRI

Nepal earthquake due to collision of plates: NGRI
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The National Geophysical Research Institute (NGRI) which keeps a tab on the seismic movements everywhere says that the massive earthquake that struck...

The National Geophysical Research Institute (NGRI) which keeps a tab on the seismic movements everywhere says that the massive earthquake that struck Nepal on Saturday with a devastating impact was a typical Himalayan earthquake caused due to “collision” of the Indian plate with the Eurasian plate.

According to NGRI director Dr Ch Mohan Rao the two plates have an overall convergence rate of about 5 cm per year. NGRI’s Seismic Laboratory recorded today’s tremors and also several aftershocks that followed the main event.
“Aftershocks are expected. Earthquakes in this region are quite expected and the largest earthquake of magnitude 8.4 occurred in 1934 on the Bihar-Nepal border which was extremely destructive,” he said. The other major earthquakes of great magnitude in Himalaya are the 1897 Shillong and the 1950 Indo-China earthquake, each with a magnitude of 8.7.
The seismic waves due to the Nepal earthquake propagated across the Indian subcontinent and were felt in various parts of the country. However, no damage was expected within the Indian peninsula due to these waves, particularly Telangana and Andhra Pradesh regions are safe in view of the large distance from Nepal. “The epicenter of today’s earthquake was located north West of Kathmandu with a focal depth of 10 kms,” the Director said on Saturday.
The NGRI is currently operating a network of seismograph stations along the Himalayan belt and its scientists would study the characteristics of the Nepal earthquake and its aftershocks using seismic data and field mapping in the days to come, with an aim of assessing the seismic hazard level.
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