A powerful earthquake struck Japan, triggering tsunami alerts that were later eased, with authorities reporting no immediate casualties or significant damage.

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• A magnitude 7.7 earthquake struck off the northeastern coast of Japan, triggering immediate tsunami warnings and emergency response measures in coastal areas.
• Authorities initially issued warnings for tsunami waves up to 3 meters, but later downgraded them to an advisory after observed waves reached around 80 cm.
• Tokyo officials confirmed that there were no immediate reports of casualties or major structural damage following the earthquake.
• Evacuation orders were issued in several coastal towns, with residents advised to avoid shorelines and remain alert for aftershocks and further wave activity.
• The government warned of an increased risk of a potential megaquake, highlighting Japan’s vulnerability due to its location along major seismic fault lines.
• Transport services were disrupted, including suspension of bullet train operations and temporary closure of key highways in affected regions.
• Emergency response teams were deployed, and authorities continue to monitor seismic activity and ocean conditions to ensure public safety.