In 1976 Western Geophysical recorded 1947 km of 2D seismic data around the island. Western Geophysical also collected 2829 km of seismic data in the Palk Strait and the Gulf of Mannar in 1976.
Based on the survey conducted in Thoothukudi, Mandapam and Palk Bay, the temperature in the Gulf of Mannar has gone higher than the bleaching threshold and is around 33 degree Celsius. Corals have ...