(CNN) -- An earthquake with a preliminary magnitude of 6.6 struck near the Andaman Islands in the Indian Ocean, the U.S. Geological Survey said.
The quake hit at 10:24 p.m. local time Tuesday, about 135 miles (215 km) from Port Blair, a city in the Andaman Islands, which is part of India, the agency said. The epicenter was about 250 miles (405 km) from Pathein, Myanmar, it said.
There were no immediate reports of damage or injuries.
The Pacific Tsunami Warning Center said there is no threat of a destructive widespread tsunami, according to historical earthquake and tsunami data, . However, the center warned that a "very small" possibility exists "of a local tsunami that could affect coasts" no more than 62 miles (100 km) from the epicenter.