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Epicentre need not be as safe as Mangan

20 September 2011

Mangan town, which many consider the epicentre of the quake, does not show extensive damage and only one death has been reported there so far.

The relatively unscathed appearance of Mangan has revived suggestions that epicentres of quakes are safe-haven oases that escape the brunt of the fury.

However, seismologists and earthquake engineers have cautioned that the strongest ground movements should be expected at the epicentre of the earthquake, quite unlike an atmospheric cyclone where the eye of the storm is calm relative to the high-speed winds around it.

………Scientists from the Indian Institute of Science Engineering and Research, Calcutta, hope to pinpoint the epicentres after studying data on instruments at three sites — Yumthang, 20km north of Mangan, Rabangla, 15km south of Mangan, and Pangthang, 5km west of Gangtok.

“These instruments are closest to the events — we’re waiting for the data,” said Shyam Sunder Rai, a geophysicist at the National Geophysical Research Institute, Hyderabad……….

Read more: http://www.telegraphindia.com/1110921/jsp/frontpage/story_14533920.jsp


Written by csirindia

September 24, 2011 at 7:38 am

Posted in NGRI

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