
The epicentre of the earthquake at 8.7 on the Richter scale, at 3.58pm, was 969-1,899 km away from six dams in Thailand, Egat said in a statement.
"Our check shows that none of the dams witnessed an impact from the earthquake. Egat has understaken measures to maintain the foundation and safety and put in place a system which would automatically signal alert warnings if any irregularity is found," said Virachai Chaisangkaew, Egat director for maintenance.