Japan's Aira Caldera is a volcanic complex that was formed roughly 22,000 years ago by a massive eruption that expelled about ...

Seismic activity is monitored closely by New Zealand’s GeoNet. Aira Caldera (Japan) Size: 20 kilometers in diameter Potential Damage and Power: The Aira Caldera erupted 22,000 years ago ...

Most Powerful: Toba and Yellowstone are tied for their ability to produce global effects. Most Likely to Erupt: Aira Caldera (due to Sakurajima’s activity) and Taupō Volcanic Zone. Most Hazardous to ...

The pyroclastic flow and volcanic ash spewed out by the Aira caldera in southern Kagoshima Prefecture in Kyushu was 1.5 times larger than previous research estimates and reached a depth of about ...

Most Likely to Erupt: Aira Caldera (due to Sakurajima’s activity) and Taupō Volcanic Zone. Most Hazardous to Populations: Campi Flegrei, given its proximity to densely populated Naples ...