Published: Apr 21, 2026, 12:45 IST | Updated: Apr 21, 2026, 12:45 IST
Japan Meteorological Agency has warned of the possibility of a megaquake following a powerful earthquake off northern Japan, urging residents in vulnerable coastal regions to remain alert and prepared. Officials stressed the advisory is precautionary, not a prediction, but called on communities to review evacuation plans and emergency supplies amid ongoing aftershock risks.