Double-check any plans to visit coastal cities on the eastern shores of South Asia:

The world’s most powerful earthquake in 40 years rocked northern Indonesia on Sunday and launched tidal waves that swamped villages and seaside resorts across Asia, killing more than 700 people in five countries….

Waves crashed into coastal villages over a wide area of Sri Lanka — some 1,000 miles west of the quake’s epicenter — killing some 300 people and displacing thousands of others, said military spokesman Brig. Daya Ratnayake. Parts of the northeastern districts of Muttur and Trincomalee were inundated by waves as high as 20 feet, said D. Rodrigo, a Muttur district official.

In India, beaches were turned into virtual open mortuaries with bodies of people caught in the tidal wave being washed ashore. At least 150 were recovered around the coastal town of Cuddalore, said deputy Superintendent of police K. Panniselvan. Some 100 others were found around Madras, the capital of Tamil Nadu… Thirty-six were killed in neighboring Andhra Pradesh…