• A 7.4-magnitude earthquake struck northern Japan on April 20, prompting tsunami warnings.
• Authorities warned of tsunami waves up to 3 meters and advised immediate evacuations.
• No major injuries or damage have been reported in the aftermath of the quake.
• The Prime Minister confirmed a crisis management team is in place to assess the situation.
• Authorities warned of possible aftershocks and advised preparedness for future quakes.

A powerful 7.4-magnitude earthquake struck off the northeastern coast of Japan on April 20, prompting the Japan Meteorological Agency (JMA) to issue tsunami warnings for waves up to 3 meters (10 feet). The quake occurred at 4:53 PM local time, with its epicenter located in Pacific waters off Iwate Prefecture at a depth of approximately 10 kilometers, according to reports from Channel News Asia, South China Morning Post, and CBS News.

In response to the earthquake, officials reported the immediate threat of tsunami waves approaching the coast, prompting residents in Iwate, Aomori, and Hokkaido to evacuate to higher grounds. The JMA cautioned of possible aftershocks and that residents should remain alert for further seismic activity in the coming days. Images from India Times and Le Monde highlighted the swift evacuation efforts undertaken after the warning.

Prime Minister Sanae Takaichi announced the establishment of a crisis management team to address potential casualties and damage. However, initial reports indicated no significant injuries or destruction within the affected regions, as confirmed by Al Jazeera and Los Angeles Times. Residents are urged to prepare for potential emergencies, including food and supplies, while avoiding coastal areas until further safety assessments are made.

The earthquake serves as a stark reminder of Japan's vulnerability to seismic activity, especially following the catastrophic 2011 tsunami and nuclear disaster. In light of this recent event, the JMA has issued advisories warning of higher risks for a "mega-quake" along the northern coast, with historical precedents noted in reports from BBC and India Times.