Following a magnitude-7.5 earthquake off the Sanriku Coast on Monday afternoon, authorities issued tsunami warnings for several northern Japanese prefectures. Residents were advised of expected waves up to three meters high.

A tsunami warning was issued for northeast and northern Japan after an earthquake with a magnitude of 7.5 struck at 4.53pm on Monday. The epicentre of the quake, which had a depth of 10km (six miles), was off the Sanriku Coast, The Japan News reported. Japan’s Meteorological Agency (JMA) issued a tsunami warning for Hokkaido, Aomori and Iwate prefectures, with waves as high as three metres (10 feet) expected. The ‌quake measured an “upper ⁠5” on Japan’s seismic intensity scale of zero to 7,...