A strong earthquake with a preliminary magnitude of 6.9 has hit southwestern Japan, the country’s Meteorological Agency said Monday, reports AP.

Tsunami warnings were issued for Miyazaki Prefecture, where the temblor was centered, in the southwestern island of Kyushu, as well as nearby Kochi Prefecture, shortly after the quake struck at 9:19pm local time, according to the agency.

The extent of damage was not immediately clear.