Earthquakes shook the Hokuriku region in central Japan and an area in northeastern Japan within several minutes of each other Sunday afternoon.
A quake with an estimated magnitude of 4.6 hit Hokuriku around 1:48 p.m., the Japan Meteorological Agency said. It registered a 4 on the Japanese intensity scale of 7 in parts of Ishikawa Prefecture.
The other quake, with an estimated magnitude of 6.9, shook Hokkaido and parts of the Tohoku region in northeastern Japan around 1:55 p.m. The quake measured 3 on the Japanese scale in parts of Hokkaido, Aomori and Iwate prefectures, the agency said.
No tsunami warnings were issued for either of the quakes.
The agency said the epicenter for the first quake was shallow and located in the Kaga region in Ishikawa, while that for the second was located south of the Sea of Okhotsk and some 410 km below sea level.