Japan’s 1% Megaquake Risk: What the New Advisory Actually Means | Earthquake Advisory

Following a 7.7-magnitude earthquake off the coast of Japan, authorities have issued a rare "megaquake" advisory, alerting residents to a higher risk of a larger, potentially magnitude 8.5+ earthquake in the coming week. While a minor tsunami was detected with no immediate reports of major damage, the advisory urges public vigilance for potential large-scale earthquake and tsunami activity in the region.