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Aira caldera is located at Kyushu, the southernmost island of Japan. The supervolcano peaks at 1117 m. [6]The eruption forming the Aira Caldera, occurred approximately 30,000 years ago, and resulted in tephra and ignimbrite from a vast amount of magma affecting the nearby land.
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A map of Sakurajima in 1902, showing it as a distinct island. Sakurajima is in the 25 km (15 mi)-wide Aira caldera, which formed in an enormous "blow-out-and-cave-in" eruption around 22,000 years ago. [9] Several hundred cubic kilometres of ash and pumice were ejected, causing the magma chamber underneath the erupting vents to collapse. The ...
Though such enormous eruptions are extremely infrequent, both volcanoes have remained active with much smaller eruptions in historic times, with Sakurajima in the bay and the Kirishima Mountains north of the bay forming active vents associated with the Aira volcano magma sources, and the smaller 4000-year-old Ikeda Caldera with Mount Kaimon at ...
Map all coordinates using OpenStreetMap. Download coordinates as: KML; GPX (all coordinates) ... Last eruption Aira Caldera 2017 [† 1] Ata Caldera: 0.11 Ma BP ...
The volcano also erupted in June about a mile south of Kilauea caldera, marking the first eruption in that region of the volcano in about 50 years. The last one took place in December 1974 ...
Kilauea began erupting around 2:30 a.m. Monday morning local time at the base of the Halemaumau Crater within the summit caldera after elevated seismic activity was detected overnight.
There are three VEI-7 volcanoes in Japan. These are the Aira Caldera, Kikai Caldera and Aso Caldera. Mount Aso is the largest active volcano in Japan. Mount Aso had four eruptions 300,000 to 90,000 years ago. It emitted huge amounts of volcanic ash that covered all of Kyushu and up to Yamaguchi Prefecture.