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Recent earth tremors in Sri Lanka-By DULIP JAYAWARDENA Source:Island – a critical review in relation with such activity in Tamil Nadu and the orogenesis of Himalayas based on a new theory of cratons and mobile belts in the Indian peninsular Former Director Geological Survey Department and retired Economic Affairs Officer, United Nations ESCAP There were recent reports of earth tremors in the Buttala and Wellawaya areas in Sri Lanka and statements made by local earth scientists failed to give any scientific explanations as regards such activity. An attempt is made to explain such activity in relation to seismicity in Sri Lanka compared to Tamil Nadu as well as the orogenesis of the Himalayas in relation to a new theory of cratons and fold belts in India and its extrapolation to Sri Lanka. ...