7.6 Magnitude Quake Strikes Japan, Tsunami Warning for Hokkaido, Aomori, Iwate

• A strong 7.6 magnitude earthquake struck northern and eastern Japan at 11:15 p.m. local time.
• A tsunami warning of up to 3 meters (10 feet) was issued for Hokkaido, Aomori, and Iwate prefectures.
• The earthquake's epicenter was 80 kilometers (50 miles) off the coast of Aomori prefecture, with a depth of 50 kilometers (30 miles).

Why It Matters: This warns of immediate danger from a major earthquake and tsunami threat.