A magnitude 7.5 earthquake struck off the northeastern coast of Japan late Monday, injuring at least 23 people and prompting tsunami warnings across several prefectures. The Japan Meteorological Agency (JMA) initially warned of waves up to three meters high for Hokkaido, Aomori, and Iwate, but later downgraded the alerts to advisories after smaller waves of 20 to 70 centimeters were observed. The quake’s epicenter was located about 80 kilometers off Aomori at a depth of 50 kilometers. Authorities reported power outages affecting around 800 homes, with nearly 480 residents seeking shelter at a local airbase. Prime Minister Sanae Takaichi urged residents to evacuate to higher ground, while Defense Minister Shinjiro Koizumi deployed 18 helicopters for damage assessment. Train services were suspended, and about 200 passengers were stranded overnight at Hokkaido’s New Chitose Airport. The International Atomic Energy Agency confirmed no abnormalities at nearby nuclear plants, including Fukushima. Japan, situated along the seismically active Ring of Fire, experiences roughly 20 percent of the world’s major earthquakes. The latest tremor revived memories of the catastrophic 2011 quake and tsunami that devastated the Tohoku region.