Strong 7.1 magnitude earthquake strikes southern Japan; tsunami alert issued

A strong 7.1-magnitude earthquake jolted southern Japan on Tuesday, prompting the Japan Meteorological Agency to issue a tsunami alert for the affected region. The alert warned of potential tsunami waves reaching up to one meter (about one yard) in height.

The earthquake's intensity was measured at the highest possible level, seven, on Japan's domestic Shindo seismic scale, indicating severe shaking. The epicenter was located in Japan's Kumamoto prefecture, an area that has experienced significant seismic activity in the past.

While the tsunami alert was in effect for parts of Japan, the Pacific Tsunami Warning Center in Honolulu confirmed there was no tsunami threat to Hawaii or American Samoa. This distinction is crucial for regional safety assessments following major seismic events in the Pacific.

Details regarding the extent of damage or any potential casualties were not immediately available, as is common in the immediate aftermath of such powerful tremors. Rescue and assessment efforts would likely commence once the immediate threat of tsunami has subsided and communication lines are re-established.