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 ...

In Japan, the Aira caldera, in southern Kyushu, formed about 30,000 years ago and is home to Sakurajima, which is one of Japan's most active volcanoes. Taal, in the Philippines, is a caldera ...

The observations from the two volcanos -- Aira caldera and Kirishima -- show that the two were connected through a common subterranean magma source in the months leading up to the 2011 eruption of ...

so the significant danger from this caldera remains after 1,500 years. 3. Aira Caldera, Japan (0.9 million/2.6 million): The population around the Aira caldera might be lower than most of the top ...

The Sakurajima Volcano sits within a shallow sea formed from an eruption 22,000 years ago that formed the Aira Caldera. The caldera formed as the major magma chamber ejected its magma through ...

They concluded that Aira, a caldera in Japan’s Kyushu island, is the one to be feared the most. A caldera is a large cauldron-shaped follow that forms shortly after a volcanic eruption.

There are many supervolcanoes around the world other than Yellowstone, including California's Long Valley, Japan's Aira Caldera, Indonesia's Toba, and New Zealand's Taupo. This latter supervolcano ...

The observations from the two volcanos—Aira caldera and Kirishima—show that the two were connected through a common subterranean magma source in the months leading up to the 2011 eruption of ...