Japan’s Earthquakes 20/4/2026
Japan’s Earthquakes A powerful earthquake struck northern Japan on April 20, 2026, with a magnitude of about 7.5–7.7, occurring off the Sanriku coast in the Pacific Ocean. The quake triggered immediate tsunami warnings, with authorities expecting waves up to 3 meters, though the actual waves recorded were much smaller, around 80 centimeters. As a precaution, more than 170,000 people were advised to evacuate coastal areas, and transport services like bullet trains were temporarily stopped. Fortunately, there were no major casualties or serious damage reported, and nuclear plants remained safe. However, the government issued a special advisory warning of a slightly increased risk of a stronger “megaquake” in the coming days, urging people to stay alert and prepared. ([The Guardian][1]) Introduction Japan is one of the most earthquake-prone countries in the world. Located along the Pacific Ring of Fire, it experiences thousands of earthquakes every year. While most are too small to ...