CNN  —  Myanmar was hit by a powerful 7.7-magnitude earthquake on Friday, with tremors felt across Thailand and in nearby Chinese provinces. It was the most powerful earthquake to strike Myanmar in over a century, according to the United States Geological Survey, dealing a further blow to the civil war-ravaged country that has been cut off from much of the world since the military junta seized power in 2021. Rescuers continue the desperate search for survivors after buildings were flattened and