A magnitude 7.1 earthquake struck off Japan's southern coast on Thursday, prompting a tsunami advisory for the region. The quake was centered in waters off the eastern coast of Japan's southern main island of Kyushu, with a depth of approximately 30 kilometers (18.6 miles).
The tremor was most strongly felt in Nichinan city and surrounding areas in Miyazaki prefecture on Kyushu island. Following the earthquake, tsunami waves measuring up to 50 centimeters (1.6 feet) were observed along parts of Kyushu's southern coast and the nearby island of Shikoku.
