Tsunami Alert Issued After 7.1 Earthquake Strikes Southern Japan

A powerful earthquake measuring magnitude 7.1 struck the Kumamoto region on Japan's southern island of Kyushu on Tuesday afternoon, sending tremors across the area and triggering an emergency tsunami advisory that was later lifted, according to the Japan Meteorological Agency.

The quake, which hit in the late afternoon hours, was centred on Kumamoto — a region that has experienced significant seismic activity in the past, most notably the devastating 2016 earthquakes that killed dozens of residents and caused widespread structural damage across the prefecture.

Following Tuesday's event, the Japan Meteorological Agency moved quickly to issue a tsunami advisory for coastal areas near the epicentre. Residents in affected zones were urged to move away from shorelines and seek higher ground as a precaution while authorities assessed any wave activity in the surrounding waters.

The advisory was later lifted after monitoring stations confirmed no significant tsunami had been generated. Officials continued to monitor aftershock activity in the hours following the main event, as is standard practice after earthquakes of this magnitude.

Japan sits atop the so-called Ring of Fire — a highly seismically active zone encircling the Pacific Ocean — and experiences hundreds of earthquakes every year, ranging from barely perceptible tremors to major destructive events. The country maintains one of the world's most sophisticated earthquake and tsunami early-warning systems, capable of broadcasting alerts within seconds of detecting significant ground movement.

Kumamoto Prefecture, located in the central-western portion of Kyushu, is home to around 1.7 million people. The city of Kumamoto itself is well known for its historic castle, parts of which were badly damaged in the 2016 earthquake sequence and have been undergoing painstaking restoration works ever since.

Emergency services were deployed to assess any structural damage and check on vulnerable residents following Tuesday's shake. Local authorities advised people to stay away from damaged buildings and to be cautious on roads, which can develop cracks or surface hazards after strong quakes.

No immediate reports of casualties or major infrastructure damage had emerged in the hours after the earthquake, though full assessments typically take time as teams work through affected areas.

Japan's nuclear regulator also confirmed it was checking facilities in the region for any anomalies, a routine step following earthquakes above a certain threshold near nuclear infrastructure.

Residents across Kyushu reported feeling strong shaking, with some describing objects falling from shelves and people rushing outside or taking shelter under tables during the event. Social media posts from the region showed cracked walls and fallen items in homes, though the full picture of damage was still emerging.