Tsunami warning issued after quake off Fukushima in Japan

Firefighters and city officials check the water level at an estuary following a tsunami warning in Iwaki, Fukushima prefecture, early Tuesday, Nov. 22, 2016. Coastal residents in Japan were ordered to flee to higher ground on Tuesday after a strong earthquake struck off the coast of Fukushima prefecture. (Kyodo News via AP) (The Associated Press)

Japan Meteorological Agency earthquake expert Koji Nakamura speaks about a strong earthquake with a magnitude of 7.4 that struck off the coast of Fukushima prefecture during a press conference in Tokyo Tuesday, Nov. 22, 2016. Coastal residents in Japan were ordered to flee to higher ground after the quake. The agency issued a tsunami warning for waves of up to 3 meters (10 feet) in Fukushima, north of Tokyo, which is home to the nuclear power plant that was destroyed by a huge tsunami following an offshore earthquake in 2011. There were no immediate reports of damage or injury. (Yosuke Mizuno/Kyodo News via AP) (The Associated Press)

Japan Meteorological Agency earthquake expert Koji Nakamura points a map of Fukushima and its surrounding prefectures during a press conference in Tokyo on a strong earthquake with a magnitude of 7.4 that struck off the coast of Fukushima Tuesday, Nov. 22, 2016. Coastal residents in Japan were ordered to flee to higher ground after the quake. The agency issued a tsunami warning for waves of up to 3 meters (10 feet) in Fukushima, north of Tokyo, which is home to the nuclear power plant that was destroyed by a huge tsunami following an offshore earthquake in 2011. There were no immediate reports of damage or injury. (Yosuke Mizuno/Kyodo News via AP) (The Associated Press)

An earthquake with preliminary magnitude of 7.3 has struck off the coast of Fukushima prefecture in Japan. A tsunami warning for waves of up to three meters (10 feet) has been issued.

The Japan Meteorological Agency says the quake struck around 6 a.m at a depth of 10 kilometers (6 miles).

Fukushima prefecture is north of Tokyo and home to the nuclear power plant that was destroyed by a huge tsunami following an offshore earthquake in 2011.