7.6 Quake Rocks Northeast Japan; Tsunami Warnings Issued, 90,000 Evacuated

• A powerful 7.6-magnitude earthquake struck northeastern Japan late Monday.
• Tsunami warnings were issued, leading to evacuation orders for about 90,000 residents.
• Tsunamis of 20-70 cm were observed, with a potential for waves up to 3 meters.
• The quake registered "upper 6" on Japan's seismic intensity scale in Aomori prefecture.
• No irregularities were reported at nuclear power plants in the affected region.

Why It Matters: Powerful Japan earthquake triggers tsunami warnings and evacuations, endangering residents.