BBC NEWS | Science/Nature | Tsunami concern for Bay of Bengal Now, Phil Cummins, lead author on the Nature paper and a geologist at Geoscience Australia, believes this is not the case.He said: “I reviewed the geological literature and found the evidence for a lack of tectonic activity along the Myanmar coast was not compelling.” Historical evidence Recent GPS data, he said, suggested that the plate boundary was at sea in this area, hidden below thick layers of sediment.