Japan: 7.6 quake prompts tsunami advisory, injuries reported

• A 7.6 magnitude earthquake struck Japan's northeast, prompting an initial tsunami warning.
• The tsunami warning was later downgraded to an advisory, with observed waves 20-70cm high.
• The earthquake caused disruptions, property damage, traffic jams, and an unspecified number of injuries.

Why It Matters: It underscores the critical need for disaster preparedness in earthquake-prone regions.