Mount Aso in Kumamoto Prefecture erupted shortly before noon on Oct. 20, sending a massive plume of dark volcanic smoke up to ...

The central government has increased personnel and strengthened monitoring but is still struggling to predict eruptions among the 111 active volcanoes in Japan and alert people in the danger zones.

A sightseeing helicopter that went missing with three people on board was found to have crashed near Mount Aso, one of Japan’s most active volcanoes, according to the country’s transport ministry.

On April 22, 2026, Mount Aso's steam vents puff dramatically against spring skies, inviting adventurers to Japan's mightiest volcano. Known internationally as Mount Aso Volcano and locally as Aso-san, ...

Understanding what triggers large volcanic eruptions is crucial for hazard assessment, but the exact mechanism driving these eruptions is still poorly understood. The prevailing theory is that ...

Add Yahoo as a preferred source to see more of our stories on Google. Search and rescue is still on for the people who were on board: a Japanese pilot in his 60s, a man in his 40s, and a woman in her ...