Japan Retracts False 9.9 Quake Warning, Cites Overestimation of 6.9 Kuril Quake

Japan's Meteorological Agency issued and then retracted a false 9.9-magnitude earthquake warning, attributing the error to an overestimation of a 6.9-magnitude quake in the Kuril Islands. The agency apologized and is investigating the cause. The incident raises concerns about the reliability of early warning systems, though no damage or casualties have been reported.