Bhubaneswar, April 20 -- A strong 7.4-magnitude earthquake struck northern Japan on Monday, triggering a tsunami that impacted coastal areas shortly after. According to the Japan Meteorological Agency (JMA), a tsunami wave measuring 80 centimetres was recorded at a port in Kuji at approximately 5:34 pm local time.

Earlier, the agency had reported a 70-centimetre wave reaching the same location at 5:32 pm, indicating a rapid escalation in wave height within minutes. Authorities continue to closely monitor coastal regions for additional wave activity and potential aftershocks following the earthquake.

Emergency advisories have been issued, urging residents in low-lying and coastal areas to remain alert and follow official safety instructi...