Japan 7.5M Quake: 90,000 Seek Shelter Amid Tsunami Warnings, 23 Injured

• A 7.5-magnitude earthquake struck north-eastern Japan, injuring over 20 people and prompting mass evacuations.
• Tsunami warnings were issued for Hokkaido, Aomori, and Iwate, leading to 90,000 residents being ordered to evacuate.
• Tsunamis up to 70cm were observed at several ports, though initial warnings were later downgraded to advisories.
• 23 people were injured, with one in serious condition, primarily due to falling objects.
• Defense helicopters were mobilized for damage assessment, and thousands experienced power outages.

Why It Matters: Japan's major earthquake highlights constant seismic threat and widespread disruption.